2022 FAA General Written Test

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What is the measured voltage of the series-parallel circuit between terminal A and B? (cheet sheet) #479

3.0 volts

How much power must a 24volt generator furnish to a system which contains the following loads? (1 hp = 746 watts) #473

450 watts

An engine of 98 horsepower maximum is running at 75 percent power. What is the horsepower being developed?

73.50

How many gallons of fuel will be contained in a rectangular shaped tank, which measures 2 feet in width, 3 feet in length, and 1 foot 8 inches in depth? (7.5 gal = 1 cu. ft.)

75

When an aircraft is weighed with full fuel tanks, which device is used to determine the weight of the fuel

A hydrometer

Detection of a minute crack using dye penetrant inspection usually requires

A longer-than-normal penetrating time

Who has the authority to approve for return to service a powerplant or propeller or any part thereof after a 100 hour inspection?

A mechanic with a powerplant rating

Find the value of 10 raised to the negative sixth power.

0.000001

How much current does a 30-volt, 1/2 hp motor that is 85% efficient draw from the bus? (note: 1 hp = 746 watts)

14.6 amperes

What is the speed of the spur gear with 42 teeth driven by a pinion gear with 14 teeth turning 420 rpm?

140 rpm

If R3 is disconnected at terminal D, what will the ohmmeter read? (#489)

Infinite resistance

Flexible hose used in aircraft systems is classified in size according to the

Inside diameter

An aircraft scheduled for a 100hr inspection has flown 98 hours since the last inspection. It is currently located 4 hours from its primary maintenance facility. What must be done?

It is close enough for government.

Which statement is true regarding the residual method of magnetic particle inspection?

It is only used with steels that have been heat treated

What is the primary disadvantage of using kerosene as a solvent

It leaves a residue which must be further cleaned with other solvents.

The heat transfer process of convection occurs in

Liquids and gasses

Zone numbers on aircraft blueprints are used to

Locate parts, sections, and views on large drawings.

What type of stability for an airplane involves the tendency for the nose to pitch up or down, rotating around the lateral axis

Longitudinal stability

Where are the title blocks normally located on an aircraft drawing?

Lower right-hand corner

What tool is generally used to set a divider to an exact dimension?

Machinist scale

Which of these materials is the most anodic?

Magnesium

In the material designation number "4130" for chromium molybdenum steel what does the first digit 4 indicate?

Main alloying ingredient

A TCDS specifies?

Make and model engine allowed

A bolt with a raised or recessed triangle on the head is classified as what?

NAS close tolerance bolt

A 7lb component located at an arm of +146 is replaced with a 4lb component at the same location, how does this effect the overall CG of the aircraft?

Not enough information is given

which statements are true regarding the tiedown of aircraft? 1.Manila (hemp) rope has a tendency to stretch when it gets wet. 2.Nylon or Dacron rope is preferred to manila rope. 3. The aircraft should be headed down wind in order to minimize wing lift. 4.Leave the nose wheel or tail wheel unlocked

Nylon or Dacron rope is preferred to manila rope

When taxing or towing an aircraft, an alternating red and green light from the control tower means

OK to proceed but exercise extreme caution

The binary number system is most useful in aircraft electronics because those systems are either

ON or OFF

Which government agency regulates policy regarding workplace safety in aviation facilities?

OSHA

Which is newtons first law of motion?

Objects at rest tend to stay at rest and objects in motion tend to remain in motion at the same speed and duration, unless acted upon by an external force. (inertia)

When an aircraft is struck by lightning in flight, which components are the most likely to suffer damage?

Non-electrically conductive composite and plastic components

What does the following describe? "When two adjacent objects have the same natural frequency and one starts to vibrate; that wave energy can be transferred to the other object causing it to vibrate as well."

Resonance

Which type of ultrasonic testing would normally be used to measure the thickness of a material when the backside surface is inaccessible?

Resonance

Of those listed below, which is the best countermeasure to combat fatigue?

Sleeping at regular intervals

According to regulations, what determines whether an aircraft is considered "Large" or "Small"

Small= max certified takeoff weight < 12,500lbs Large= max certified takeoff weight >12,500lbs

Which of the listed conditions is NOT one of the requirements for corrosion to occur?

The presence of a passive oxide film

Which statement concerning Bernoulli's principle is true?

The pressure of a fluid decreases at points where the velocity of the fluid increases

What is the definition of proportion?

A statement of equality between two or more ratios

When and/or where is galvanic corrosion most likely to occur?

At the interface of a steel fastener and aluminum alloy inspection plate in the presence of an electrolyte.

When dealing with weight and balance of an aircraft, the term "maximum weight" is interpreted to mean the maximum

Authorized weight of the aircraft and its contents

What color fuel would you expect to find in a modern single engine piston powered airplane

Blue

Which of the following statements is true? 1. An aircraft part may be demagnetized by subjecting it to a magnetizing force from alternating current that is gradually reduced in strength. 2. An aircraft part may be demagnetized by subjecting it to a magnetizing force from a direct current that is alternately reversed in direction and gradually reduced in strength.

Both and true

Name four of the seven main components of a helicopter

Cabin, tail boom, transmission, powerplant

Which type of specialty fastener would be best suited to secure an aircraft cowling?

Camloc fasteners

Which is NOT an advantage of the eddy current nondestructive inspection technique?

Can be used with almost all types of structural material.

Which is an advantage of the radiographic inspection technique?

Can often be accomplished without disassembly of the part from the aircraft.

Which material cannot be heat treated repeatedly without harmful effects?

Clad aluminum alloy

What class of fire involves the combustion of metallic material such as Magnesium?

Class D

What tool can be used to measure the alignment or bend of a rotor shaft or for warp in a rotating component?

Dial indicator

The measurements showing the ideal or "perfect" sizes of parts on drawings are called

Dimensions

What is/are the appropriate action(s) concerning minor repairs performed on a certified aircraft

Entries must be made in the aircraft's maintenance records

Which cleaning substance is acceptable to use on oxygen system equipment?

Ethyl alcohol

How often must an altimeter static system or altitude encodiung transponder be inspected by a properly rated inspector?

Every 24 months and anytime the static system is opened and closed

Which is a characteristic of a good gas weld?

The weld should taper off smoothly into the base metal

Based on newtons second law of motion, the formula to calculate thrust is?

F= W(Vf-Vi)/Gt

Where should you find this entry: "Removed right wing from aircraft and removed skin from outer 6 feet. Repaired buckled spar 49 inches from tip in accordance with figure 8 in the manufacturers structural repair manual no. 28-1"

FAA form 337

Which statement is true regarding the use of a FAA form 337

FAA form 337 is not authorized for use with other than U.S. registered aircraft

Which regulatory document(s) describes the standard for maintaining civilian aircraft in the United States?

FAR Part 43

What may be used to remove corrosion from highly stressed steel surfaces?

Fine grit aluminum oxide

The metal titanium, when moistened and drawn across glass, will produce a pencil like line. (true or false)?

True

The amount of fuel used for computing empty weight and corresponding CG is?

Unusable fuel

Which one is not a method of controlling boundary layer air?

Wingtip electrical generators

What should be done to prevent rapid deterioration when oil or grease come in contact with a tire?

Wipe the tire with a dry cloth followed by a washdown and rinse with soap and water

A proper procedure to produce a precision hole exactly .125" in dia. would be to drill

a hole at .120" then remove the final .005" with a reamer.

a class three bolt thread is

a medium fit

One millionth of a meter is known as?

a micrometer

When determining the empty weight of an aircraft certified under current airworthiness standards (FAR 23), the oil contained in the supply tank is considered

a part of the empty weight

The voltage drop in a circuit of known resistance is dependent on

amperage of the circuit

Which is the correct formula that defines current?

amperes = charge/ time

A Non electrolytic chemical treatment for aluminum alloys to increase corrosion resistance and paint bonding qualities is called

alodizing

Unless otherwise specified, torque values for tightening aircraft nuts and bolts relate to

clean and dry threads

Which statement(s) below reflect(s) the typical requirement(s) when towing some aircraft? -Discharge all hydraulic pressure -tailwheel aircraft should be towed backwards -if the aircraft has a steerable nose wheel, the torque-link lock should be set to full swivel

Torque-link locks should be set to full swivel

Which is correct concerning a parallel circuit?

Total resistance will be smaller than the smallest resistor.

Self-plugging (friction lock) rivets are typically used when access to both sides of an aircraft surface is difficult or impossible

true

The potential difference between two conductors which are insulated from each other is measured in?

volts

What two types of indicating mediums are available for magnetic particle inspections

wet and dry process materials

Cryofit fittings are often used on transport category aircraft

when routing disconnections are not required

Fretting corrosion is most likely to occur

when two surfaces fit tightly together but can move relative to one another.

the SHEL model is another human factors tool. The goal is to determine not only what the problem is, but also

where and why the problem exists

Aspect ratio of a wing is defined as the ratio of the

wingspan to the mean chord

Elongated bolt holes in critical aircraft structural members may be drilled to the next larger size

with manufacturers approval

A Rockwell test of affected components would be useful during an inspection of an aircraft subject to

fire damage

What wrench is used on the b-nut of a fuel or hydraulic line?

flare nut wrench

The best tool for cutting aluminum tubing or any tubing of moderately soft metal is

hand operated wheel-type tubing cutter

Which procedure is recommended to keep aircraft control cables free of tension?

keep cables coated with light oil film

When refilling an aircraft with nitrogen, the system you are typically servicing is -landing gear -engine boost pumps -cabin climate control systems

landing gear

The elevator attached to the horizontal stabilizer is a type of flight control or directional control for the

lateral axis

The ailerons or the spoilers on a jet transport are types of flight controls or lateral control for the

longitudinal axis

Which of the bolt head code markings shown identifies a corrosion resistant AN standard steel bolt? -plus sign -minus sign -triangle w/ an x in the middle

minus sign

When taxing (or towing) an aircraft, a flashing red light from the control tower means

move clear of the runway/taxiway immediately

When working with fractions, the common denominator can be found by

multiplying all of the denominators together

Which of the following is the correct sequence of number prefixes, from smallest to largest?

nano, hecto, tera

Certificated mechanics, under their general certificate privileges, may

perform 100 hour inspection of instruments

Troubleshooting an open circuit with a voltmeter as shown in the circuit in figure 12-11 will

permit the battery voltage to appear on the voltmeter

The person ultimately responsible for determining whether an aircraft is in airworthy condition is the

pilot in command

The amount of electricity a capacitor can store is directly proportional to the

plate area and inversely proportional to the distance between the plates

Parts are rinsed thoroughly in hot water after they have been heat treated in a sodium and potassium nitrate bath to:

prevent corrosion

The primary purpose of providing suitable bends in fluid and pneumatic metal tubing runs is to

prevent excessive stress on the tubing

The purpose of providing a space underneath the plates in a lead acid battery's cell is to

prevent sediment buildup to contact the plates and cause a short circuit

If an AD is issued without an NPRM, typically when is compliance required?

prior to the next flight

Which inspection schedule plan must be individually approved by an FAA flight standard district office?

progressive annual inspection

Improper loading of a helicopter which results in exceeding either the fore or aft CG limits is hazardous due to the

reduction or loss of effective cyclic pitch control

In a metal tubing installation;

tension is undesirable because pressurization will cause it to expand and shift

Referring to figure 12-12 below, with the landing gear retracted, the red indicator light will not come on if an open occurs in wire

#19

Which statements are true? 1. Schematic drawings indicate the location of individual components in the aircraft. 2. Schematic diagrams indicate the location of components with respect to each other within a system

#2 is true. (SCHEMATIC = SYSTEM)

Referring to figure 12-12 below, when the landing gear is down, the green light will not come on if an open occurs in which wire?

#6

In a balance computation of an aircraft from which an item located aft of the datum was removed, use

(-)weight x (+)arm (-)moment

Find the empty weight CG location for the following tricycle-gear aircraft. Each main wheel weighs 753 pounds, nosewheel weighs 22 pounds, distance between nosewheel and main wheels is 87.5 inches, nosewheel location is +9.875 inches from datum, with 1 gallon of hydraulic fluid at -2.10 inches included in the weight scale.

+96.11"

Which of the following defects are not acceptable for metal lines?

-Cracked flare -Seams -Dents in the heel of a bend less than 20% the tube diameter -Dents in straight sections that are 20% of the wall thickness

An airplane is flying at 22,000 feet above sea level. The current temperature at sea level is -4 and the temp at 22,000 feet is 25 degrees cooler. If the ratio of temp change remains constant as altitude is increased, what is the temp at 30,000 feet?

-38

Which of the following is an effect of annealing steel and aluminum alloys?

-A decrease in internal stress -A softening of the metal

Which statements regarding aircraft bolts are correct?

-Alloy bolts smaller than 1/4" diameter should not be used in primary structures -In general, bolt grip lengths should equal the material thickness

Which of the following hose materials are compatible with phosphate-ester base hydraulic fluids

-Butyl -Teflon

Which of the following occurs when a mechanical force is repeatedly applied to most metals at room temperature, such as rolling, hammering, or bending?

-The metals become artificially aged -The metals become cold worked, strained, or work hardened

Find the sqr rt of 1,824

.42708 x 10^2

Which number represents the vernier scale graduation of a micrometer?

.0001

The number 3.47 x 10^-4

.000347

What is the allowable manufacturing tolerance for a bushing where the outside dimensions shown on the blueprint are: 1.0625 +.0025 -.0003?

.0028

A dimension on a drawing is given as 4.387" +005, -002. What is the maximum tolerance?

.007

Square root of 36 + sqr rt of 49/17 squared

.045

What is the total capacitance of a circuit containing 3 capacitors with capacitances of .25 microfarad, .03 microfarad, and .12 microfarad?

.4 microfarad

Which decimal is most nearly equal to a bend radius of 31/64?

0.4844

A lead acid battery with 12 cells connected in series (No load voltage = 2.1 volts per cell) furnishes 10 amperes to a load of 2ohms resistance. The internal resistance of the battery in this instance is?

0.52ohm

An aircraft bolts has an overall length of 1-1/2 inches, a shank length of 1-3/16 inches, an a threaded portion length of 5/8 inch. What is the grip length? (decimal form)

0.5625 inch

The material specifications for a certain aircraft require that a replacement oil line be fabricated from 3/4 inch 0.072 5052-0 aluminum alloy tubing. What is the inside dimension of this tubing?

0.606 inch

If three resistors of 3 ohms, 5 ohms, and 22 ohms are connected in series in a 28-volt circuit, how much current will flow through the 3-ohm resistor?

0.93 apmere

Which is true regarding the statements below: 1. An STC may be issued to more than one applicant for the same design change, providing each applicant shows compliance with the applicable airworthiness requirement 2. An installation of an item manufactured in accordance with the technical standard order (TSO) system requires no further approval for installation in a particular aircraft

1

a 12v electric motor has 1,000w input and 1hp output. maintaining the same efficiency how much input power will a 24v, 1hp electric motor require?

1,000 watts

What force is exerted on the piston in a hydraulic cylinder if the area of the pipston is 1.2 sqr inches and the fluid pressure is 850psi?

1,020lbs

Find the sqr rt of 124.9924 (scientific notation)

1,118 x 10^-2

In physics, which of the following factors are necessary to determine power? 1. Force exerted 2.Distance moved 3.Time required

1,2, and 3.

Which of the following are symptoms of fatigue?

1,3,4,6 1. Short-term memory loss 3. Tiredness 4. Failure to maintain situational overview 6. Mood swings

Which of the following methods may be suitable for detecting cracks open to the surface in aluminum forgings and castings?

1,4,5,6 1.Dye or liquid penetrant inspection 4.Eddy current inspection 5.Ultrasonic inspection 6.Visual inspection

The battery of an unmanned aircraft is 21% discharged. The capacity of the battery is 2,400 amps. How many amps remain in the battery?

1,896 amps

Which of the following may a certified airframe and powerplant mechanic perform on an aircraft and approve for return to service?

1. 100 hour inspection 3.a progressive inspection, under specified circumstances.

Which of the following statements is true regarding the charging of several aircraft batteries together?

1. Batteries of different voltages (but similar capacities) can be connected in series with each other across the charger, and charged using the constant current method. 2.Batteries of different ampere-hour capacity but same voltage can be connected in parallel with each other across the charger, and charged using the constant voltage method.

Which of the following are privileges of holding and IA rating, beyond those permitted with only an A&P license?

1. Perform and approve return to service an annual or progressive inspection 4. Approve return to service of an aircraft part following a major repair

Which of these factors are considered essential knowledge for x-ray exposure?

1. Processing of the film 2. Material thickness 3. Exposure distance and angle 4. Film characteristics

Determine total current flow in the circuit (#495)

1.4 amperes.

Which alternative answer is equal to 16,300 (scientific notation)

1.63 x 10^4

Which of the following are the desired effects of using Alodine on aluminum alloy?

1.A slightly rough surface. 4.Increased corrosion resistance

If a metal joint includes contact from magnesium to another metal, the correct procedure is to:

1.Apply at least 2 coats of epoxy primer to each mating surface. 2. Apply vinyl tape between the mated surfaces.

Select the fractional equivalent for a 0.0625 inch thick sheet of aluminum.

1/16

What is the formula to find area of a triangle?

1/2 x base x height

What is the impedance of an AC series circuit consisting of an inductor with a reactance of 10 ohms, a capacitor with a reactance of 4 ohms, and a resistor with a resistance of 8 ohms (see formula #509)

10 ohms

What will the ohmmeter read? (#490)

10 ohms

A circuit has an applied voltage of 30 volts and a load consisting of a 10-ohm resistor in series with a 20-ohm resistor. What is the voltage drop across the 10-ohm resistor?

10 volts

Scratches or nicks on the straight portion of aluminum alloy tubing may be repaired if they are no deeper than

10% the wall thickness

Convert the decimal number 147 to a binary number (2^7=128; 2^6=64; 2^5=32; 2^4=16; 2^3=8; 2^2=4; 2^1=2; 2^0=1) 1.10001001 2.10100001 3.10010011

10010011

What sound level becomes dangerous and requires the use of hearing protection?

100db

What force is exerted on the piston in a hydraulic cylinder if the area of the piston is 1.2 sqr inches and the fluid pressure is 850 psi?

1020lbs

What power of 10 is equal to 1,000,000

10^6

We need to calculate the acceleration of an airplane travelling at 300mph. The pilot pushes the throttle to a speed of 600mph in 30 seconds. What is the airplanes average acceleration in mph/s?

10mph/s

A blueprint shows a hole of 0.17187 to be drilled. Which fraction size drill bit is most nearly equal?

11/64

a rectangular shaped fuel tank measures 60 inches in length, 30 inches in width, and 12 inches in depth. How many cubic feet are within the tank?

12.5 cubic feet

What is the maximum duration of a temporary airmen certificate?

120 days

Which regulation provides the airworthiness standards from an airplane certified in the normal category?

14 CFR Part 23

Each person performing an annual or 100 hour inspection shall use a checklist that contains at least those items in the appendix of

14 CFR Part 43

What part of the FARs prescribes the requirements for issuing mechanic certificates and associates ratings and the general operating rules for the holders of these certificates and ratings?

14 CFR part 65

When choosing a hacksaw blade, which pitch of the blade's teeth is best for cutting cold rolled or structural steel?

14 pitch

A regular 100 hour inspection is performed on an aircraft which is partially used for hire and on which the hobbs meter reads 1407 hours. When is the next 100 hour inspection due?

1500 hours

When an aircraft is weighed, the combined net weight at the main gear is 3540lbs at an arm of 83.5". The datum line is forward of the nose of the aircraft. What is the empty CG of the aircraft?

151.1

As weighed, the total empty weight of an aircraft is 5,862 pounds with a moment of 885,957. However, when the aircraft was weighed, 20 pounds of potable water were on board at +84, and 23 pounds of hydraulic fluid were in a tank located at +101. What is the empty weight CG of the aircraft?

151.360

Which of the following is equal to the sqr rt of (-1776) / (-2) - 632?

16

Consider the following on a large aircraft, and convert the CG location from inches to percent of MAC: -The CG is located at 283" behind the datum -LEMAC is located at 270" behind the datum -TEMAC is located at 324" behind the datum

17%

The standard weight of a person, for the purposes of weight and balance calculations is

170lbs

An aircraft has a total time in service of 468 hours. The Airworthiness Directive given was initially complied with at 454 hours in service. How many additional hours in service may be accumulated before the Airworthiness Directive must again be complied with?

186

A pilot flies .81 of the way to her destination before she stops and refuels. How much is left on her trip? (percentage form)

19%

what is the speed ratio of an input gear with 36 teeth meshed to a gear with 20 teeth?

1:1.8

How many instruments (voltmeters and ammeters) are installed correctly? (#513)

2

Which is true regarding the statements below: 1. Manufactureers data and FAA publications such as ADs, TCDSs, and advisory circulars are all approved data 2. FAA publications such as technical standard orders (TSOs), ADs, TCDSs, aircraft specifications and STCs are all aproved data

2

An aircraft owner was provided a list of discrepancies on an aircraft that was not approved for return to service after an annual inspection. Which of the following statements is/are true concerning who may correct the discrepancies? 1. Only a mechanic with an inspection authorization. 2. An appropriately rated mechanic. 3. Any certificated repair station.

2 & 3

Liquid penetrant inspection methods may be used on which of the following?

2,3,5 2.Ferrous metals 3.Nonferrous metals 5.Nonporous plastics

How much power is being furnished to the circuit depicted in figure 12-1 below?

2,645 watts

1.2KV equals

2.0 volts

Two boxes which weigh 10 pounds and 5 pounds are placed in an airplane so that their distance aft from the CG are 4 feet and 2 feet respectively. How far forward of the CG should a third box, weighing 20 pounds, be placed so that the CG will not be changed?

2.5 feet

An airplane flying a distance of 750 miles used 60 gallons of gasoline. How many gallons will it need to travel 2,500 miles?

200

A four cylinder aircraft engine has a cylinder bore of 3.78 inches and is 8.5 inches deep. with the piston on bottom center, the top of the piston measures 4.0 inches from the bottom of the cylinder. what is the approx piston displacement of this engine?

200 cubic inches

Find the total resistance in the circuit (#491)

21.2 ohms

convert the binary number 11011001 to a decimal number. (2^7=128; 2^6=64; 2^5=32; 2^4=16; 2^3=8; 2^2=4; 2^1=2; 2^0=1)

217

Find the voltage across the 8-ohm resistor. (cheet sheet) #482

24 volts

In a parallel circuit with four 6 ohm resistors across a 24 volt battery, what is the total voltage across resistor 3 in the circuit?

24 volts

A 24V source is required to furnish 48W to a parallel circuit consisting of 4 resistors of equal value. What is the voltage drop across each resistor?

24v

When approaching the front of an idling jet engine, the hazard area extends forward of the engine -10 feet -15 feet -25 feet

25 feet

On a fillet weld, the penetration requirement includes what percentage(s) of the base metal thickness

25 to 50 percent

How many amperes will a 28v generator be required to supply to a current containing five lamps in parallel, three of which have a resistance of 6ohms each and two have a resistance of 5 ohms each?

25.23 amperes

What is the operating resistance of a 30-watt light bulb designed for a 28v system?

26 ohms

What is the opening area of an aircraft engines cylinder if the inside diameter or bore is 6 inches?

28.274 square inches

If resistor R5 is disconnected at the junction of R4 and R3 as shown, what will the ohm-meter read? #488

3 ohms

If an engine is turning 1,965 rpm at 65 percent power, what is its maximum rpm?

3,023

How long does the holder of a certificate under 14CFR part 65 have to notify the FAA after any change in permanent mailing address.

30 days

What aluminum alloy designations indicate that the metal has received no hardening or tempering treatment?

3003-F

What is the entire surface area of a cube when each side edge measures 7.25 inches?

315.375 sq. in.

An aircraft with an empty weight of 2100 pounds and an empty weight CG of +32.5 was altered as follows: 1. two 18-pound passenger seats located at +73 were removed; 2. structural modifications increasing the weight 17 pounds were made at +77; 3. a seat and safety belt weighing 25 pounds were installed at +74.5; and 4. radio equipment weighing 35 pounds was installed at +95. What is the new empty weight CG?

33.68

The result of 7 raised to the third power plus the sqr rt of 39 =

349.24

A 48v source is required to furnish 192 watts to a parallel circuit consisting of three resistors of equal value. What is the value of each resistor?

36 ohms.

A triangle includes on 90degree angle. it stands 9 inches tall and has a base of 8 inches, what is its area?

36 square inches

How much work input is required to lower (not drop) a 120lb weight from the top of a 3 foot table to the floor?

360 foot pounds

Which is the proper flare type when fitting 3/8" OD aluminum tube with AN fittings?

37 degree double flare

What is the volume of a sphere with a radius of 4.5 inches? (V=1/6 x pi x D^3)

381.7 cu. in.

Composite aircraft structures can reach up to ___ the tensile strength of steel or aluminum

4-6 times

How many of the following devices are primarily used to modify the amount of lift produced by a wing?

4/5; Flaps, slots, slats, and spoilers

An airplane engine is burning enough fuel to produce 680hp but it is only creating 285. What is the thermal efficiency of this airplane?

41.91%

A pinion gear with 14 teeth is driving a spur gear with 42 teeth at 140 RPM. Determine the speed of the pinion gear.

420 rpm

Which type crack can be detected by magnetic particle inspection using either circular or longitudinal magnetization?

45 degree

The maximum distance end fittings to which a straight hose assembly is to be connected is 50inches. The minimum hose length to make such a connection should be?

52 1/2 inches

An aircraft as loaded weighs 4,954 pounds at a CG of +30.5 inches. The CG range is +32.0 inches to +42.1 inches. Find the minimum weight of the ballast necessary to bring the CG within the CG range. The ballast arm is +162 inches.

57.16lbs

What is the ratio of a gasoline fuel load of 200 gallons to one of 1680 pounds?

5:7

What are the maximum number of views possible on an orthographic projection?

6

What is the cube root of 216?

6

If a double-acting actuating cylinder in a 3,000 psi system has a piston with a surface area of three square inches on the extension side, and a rod with a cross-section area of one square inch attached to the piston on the other side, approximately how much force will the actuator be able to produce when retracting?

6,000 lbs

How many miles are in a distance of 10 kilometers? (1 mi= 1.62 km)

6.2

Consider the specifications of the following aircraft: -The datum is 30.24" forward of the main gear -The distance from the mean gear to the tail gear is 360.26" -The weight measured on the right main gear is 9,980lbs -The weight measured on the left main gear is 9,770lbs -The weight measured on the tail wheel is 1,970lbs The following items were in the aircraft when weighed: -Lav water weighing 34lbs at an arm of +352 -Ballast weighing 146lbs at an arm of +380 -Hydraulic fluid weighing 22lbs at an arm of +8 What is the empty weight CG as described?

60.31"

What is the piston displacement of a master cylinder with a 1.5-inch diameter bore and a piston stroke of 4 inches?

7.0686 cubic inches

If the circumference of a circle is 24 inches, what is the approx dia.

7.64 in.

Maximum life for a certain part is 1100 hours. Recently, 15 of these parts were removed from different aircraft with an average life of 835.3 hours. What percent of the maximum part life has been achieved?

75.9 %

Select the container size that will be equal in volume to 60 gallons of fuel. (7.5 gal = 1 cu ft)

8.0 cubic feet

What percentage of aircraft accidents are deemed to be caused by human error?

80%

An engine weighs 350 lbs is removed from an aircraft. The engine is raised 3 feet above its attachment mount, and the entire assembly is then moved forward 12 feet. A constant force of 70lbs is required to move the loaded hoist. What is the total work input required to move the hoist?

840lbs

Express 7/8 as a percent

87.5%

32,000 feet = ? kilometers

9.77 kilometers

For drilling most materials, a bit with a lip angle of 59 degrees is most common. However, for soft metals such as plexiglas, use a bit with a lip angle of

90 degrees

The aluminum code number 1100 identifies what type of aluminum?

99% commercially pure aluminum

a 1-horsepower, 24v DC electric motor that is 80% efficient requires 932.5 watts. How much power will a 1-horsepower, 12v DC motor that is 75% efficient require?

994.6 watts

"Lack of Awareness" is defined as

A failure to recognize all the consequences of an action or lack of foresight

In magnetic particle inspection, a flaw that is perpendicular to the magnetic field flux lines generally causes

A large disruption in the magnetic field

In an aircraft drawing, what type of line would be drawn if it was composed of one long and two short evenly spaced dashes indicating the alternate position of parts of an object or relative position of a missing part

A phantom line

What type of diagram is used to explain a principle of operation, rather than show the parts as they actually appear?

A schematic diagram

Which minimum license is required to perform a 100 hour inspection and authorize that aircraft for return to service?

A&P license

A turbine powered business jet typically undergoes what type of inspection schedule?

A-D checks

Which of these publications contains standards for protrusion of bolts, studs, and screws through self-locking nuts?

AC 43.13-1B

When the specific torque value for nuts is not given, where can the recommended torque value be found?

AC43.13-1B

Which coupling nut should be selected for use with 1/2 inch aluminum oil lines which are to be assembled using flared tube ends and standard AN nuts, sleeves, and fittings?

AN-818-8

Which of the following is true when using all AN300 series nuts (AN310, AN340, etc)?

AN300 series nuts may not be used in high temperature applications

Which of the following ATA systems designation is correct?

ATA 21 regards air conditioning; and ATA 32 regards landing gear

Which condition is the actual amount of water vapor in a mixture of air and water?

Absolute humidity

Which pressure includes atmospheric pressure in its reading?

Absolute pressure

For aircraft operated under part 91, when is aircraft total time required to be recorded in the maintenance records?

After satisfactorily completing inspections

Which mixture of a cubic foot of air will be the most dense?

Air containing 2% water vapor

Placards required on an aircraft are specified in

Aircraft Specifications or TCDS

What record would indicate an approved return to service following a completed annual or 100 hour inspection?

Aircraft logbook

Where do you record the compliance of an AD or manufacturers service bulletin?

Aircraft maintenance records

If more space is needed for a work description entered on FAA for 337, what information should be included on the attached sheet(s), in addition to the rest of the work description?

Aircraft nationality and registration mark, and the date the work was accomplished.

For aircraft operated under part 91, what difference is there, if any, between the record entry requirements for maintenance and the record entry requirements for inspections?

Aircraft total time is required to be included only in the inspection entry

Which publication would describe work required to correct an unsafe condition discovered in the design of an aircraft?

Airworthiness directive

Which form of mathematics can be used to determine the relationship between the radius of a circle to its area?

Algebra

Select the solvent used to clean acrylics and rubber

Aliphatic naptha

Which is NOT an advantage of a Teflon hose?

All are advantages

When aircraft are being cleaned, which of the following safety precautions should be observed?

All of the above 1.Place type ABC fire extinguishers with a booster line at each aircraft entrance 2.Move aircraft outside if flammable liquids are used 3. Turn off all interior electrical devices and switches.

The environment aspect of the PEAR model considers which of the following

All of the above: 1. Work place design 2. Shared goals 3. Company culture 4. Lighting

Which of the following actions can help you avoid complacency?

Always expect to find faults or problems

The speed of sound in the atmosphere is affected by variations in which of the following?

Ambient temperature

Decibels are a measure of a sound's

Amplitude

If a required repair to an aircraft does not have previously approved FAA data, how should the repair be approved?

An FAA field approval must be requested

An A&P mechanic services an aircraft by changingits tires, replacing the brake pads, and bleeding the brake system. How is this work recorded and the aircraft returned to service?

An entry is made in the aircraft's maintenance log

Which of the following describes what is shown by a sectional drawing?

An interior details of the object from the plane in which it was intersected

After an A&P rated mechanic completes a 100 hour inspection, what is required before the aircraft is returned to service?

An operation check of the engine

Which statement is true regarding the requirements for maintenance record format?

Any format that provides record continuity and includes the required information may be used

Which statement concerning the logic gate depicted is true? (#537)

Any input being 1 will produce a 1 output

What constitutes a major repair on a light sport aircraft?

Any procedure for which instructions are not included in the maintenance manual

At what point does an aircraft alloy 2017 aluminum rivet obtain its maximum strength?

Approx 9 days after installation

Which of the following is the correct formula to determine the area of a circle?

Area = (Pi) r squared

In the theory of weight and balance, what is the name of the distance from the fulcrum to an object?

Arm

Not alerting others when something does not seem right, not speaking up when the actions of another concern you, or not reporting procedures are poorly written or impractical, are all actions of someone who lacks

Assertiveness

Federal Specification "BB-0-925A Grade A" refers to the acceptability of

Aviators breathing oxygen

What should be the first step of the procedure in sketching an aircraft wing repair?

Block in the views

Which term below is best described "as the velocity of a fluid increases, the static pressure of that fluid will decrease, provided there is no energy added or energy taken away."

Bernoulli's principle

What type of testing best determines a non-ferrous metal's heat treatment condition?

Barcol testing

If the volume of a confined gas is doubled (without the addition of more gas), the pressure will (assume the temperature remains constant)

Be reduced to 1/2 its original value

If you tried to lift a 200lb aircraft part, which type of pulley design would make for the least effort needed?

Block and tackle

Which statements are true? 1. A measurement should not be scaled from an aircraft print because the paper shrinks or stretches when the print is made. 2. When a detail drawing is made, it as carefully and accurately drawn to scale, and is dimensional.

Both are true

Which tap is used to cut full threads in a blind hole?

Bottom tap

Which rivet type is the only blind rivet considered to be interchangeable with a solid rivet?

Bulbed Cherrylock rivets

Upon inspection of an aircraft, it appears to you that the registration number which is visible on the airframe may not be of legal size or placement. Which regulation section would you review to confirm this?

CFR Part 45

Which is the best for extinguishing a carburetor or intake fire? -Dry chemical -A fine water mist -Carbon dioxide

Carbon Dioxide

Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content?

Case hardening

When attaching a component to the aircraft structure by way of an aircraft bolt and castelated tension nut combination, what's an acceptable solution when the cotter pin hole doesn't align within the recommended torque range?

Change washers and try again

Which gas law states that all gasses expand and contract in direct proportion to the change in the absolute temperature provided the pressure is held constant?

Charles's law

Which answer is the safety net for Lack of Awareness?

Check if work conflicts with an existing modification or repair.

The branch of human factors that studies an AMTs ability to quickly solve problems is called

Cognitive science

What method of magnetic particle inspection is used most often to inspect aircraft parts for invisible cracks and other defects?

Continuous

Which tool is used to find the center of a shaft or other cylindrical work

Combination set

Which of the following is caused by over confidence in one's ability to perform a task?

Complacency.

Corrosion caused by galvanic action is the result of

Contact between two unlike metals

Stress corrosion cracking is most characteristic with which metal type?

Copper

Which tubings have the characteristics (high strength, abrasion resistance) necessary for use in a high-pressure (3,000 PSI) hydraulic system for operation of landing gear and flaps?

Corrosion-resistant steel (annealed CRES 304, CRE 321 or CRES 304-1/8-hard

What is the purpose of a couplant used during ultrasonic inspections?

Creates a sealed interface

The useful load of an aircraft consists of the

Crew, usable fuel, passengers, and cargo

What is the procedure to remove a damaged Cryofit fitting?

Cut it off at the sleeve and replace with a swaged fitting

Which is true regarding the use of metal cutting hand snips?

Cutting with snips leaves fractures along the edge line

Which of these will cause the resistance of a conductor to decrease?

Decrease the length or increase the cross sectional area

Which type of FAA designated inspector may conduct maintenance or manufacturing inspections only at the place of their regular employment?

DMIR

Circular magnetization of a part can be used to detect which defects?

Defects parallel to the long axis of the part

Which of the following is not used to express quantities of heat energy?

Degree

Which maintenance record entry best describes the action taken for a 0.125-inch deep dent in a straight section of 1/2inch aluminum alloy tubing?

Dented section removed and replaced with identical new tubing flared to 37 degrees

What is the class of working drawing that is the description/depiction of a single part?

Detail drawing

A lack of communication is a contributing cause for incidents/accidents. Which of the following personal actions can you use to improve communication and mitigate or reduce these risks?

Discuss work to be done or what has been completed

Which behavior or safety net can help reduce errors caused by stress?

Discussing this situation with someone else to get their input and assistance.

A damaged aluminum wing skin is repaired with copper rivets. This repair is done without consulting the manufacturer of the aircraft. What is one problem this may cause?

Dissimilar metal corrosion

What type of measurement is used to designate the arm in weight and balance computation?

Distance

If an aircraft CG is found to be at 24% of MAC, that 24% is an expression of the?

Distance from the LEMAC

Identify the correct statement (measuring tools)

Dividers do not provide a reading when used as a measuring device.

During inspection, you observe an oxidation layer approx. .001" thick on an aluminum wing skin. The proper action is to

Do nothing. The oxidation layer is actually a corrosion inhibitor

What type of pliers are typically used for twisting safety wire?

Duckbill pliers

Which statement about military standard (MS) flareless fittings is correct

During installation MS flareless fittings are normally tightened by turning the nut a specified amount, rather than being torqued

Which stability term represents a small amount of oscillation around both the longitudinal and vertical axes?

Dutch roll

The most important condition to be monitored during start after fuel flow begins in a turbine engine is the -RPM -EGT, TIT, or ITT -oil pressure

EGT, TIT, or ITT

What nondestructive testing method requires little or no part preparation, is used to detect surface or near surface defects in most metals, and may also be used to separate metals or alloys and their heat-treat conditions?

Eddy current inspection

Which of the following is not a characteristic of matter?

Energy.

For which of the following are type certificate data sheets issued for?

Engines, propellers, airframes

Which action can help a technician reduce the feelings of pressure to quickly complete a task?

Ensure that the pressure is not self induced

Which precaution must be taken every time a self locking nut us used on an aircraft

Ensure the bolt is not subject to rotation

Teamwork best exists when

Everyone works together toward a common objective

Which type of wave is not a shock wave

Expansion

When solving a complex mathematical equation, which is the proper order of which function to determine first?

Exponents, then divisions, then subtractions

Identify which anti-torque system of a helicopter presents the least amount of risk to personnel on the ground and creates less drag in flight?

Fenestron

When bending metal tubing, what is the maximum amount of flattening permissible in the bend area of the tube?

Flattened portion diameter not less than 75% of the original tube diameter

Which statement is true regarding flattening of tubing in bends?

Flattening by not more than 25% of the original diameter is permissible.

Which of the following is an acceptable first step procedure to help prevent scratching when cleaning a transparent plastic surface?

Flush the surface with clean water

In which of the following cases would a Special Airworthiness Certificate be issued, rather than a standard one?

For Light Sport Aircraft (LSA)

All other things being equal, if an item of useful load located aft of an aircraft's CG is removed, the aircrafts CG will be

Forward, in proportion to the weight of the item and its location in the aircraft

One purpose for schematic diagrams is to show the

Functional location of components within a system

which of the following conditions are required for fire? -Heat, oxygen, fuel -Heat, friction, carbon dioxide -Fuel, combustion, heat

Heat, oxygen, fuel

What experience requirements must be met before being able to apply for an Inspection Authorization?

Held an A&P certificate for 3 years and active as a mechanic for previous 2 years

Which atmospheric conditions will cause the true landing speed of an aircraft to be the greatest?

High temp, High humidity

The priming of a fuel injected horizontally opposed engine is accomplished by placing the fuel lever in the -IDLE-CUTOFF position -AUTO-RICH position -FULL-RICH position

IDLE-CUTOFF

Which is correct in reference to electrical resistance?

If one of three bulbs in a parallel lighting circuit is removed, the total resistance of the circuit will increase

The term that describes the combined resistive forces in an AC circuit is

Impedance

Which behavior or safety net can improve teamwork?

Improved communication and coordination among team members

The electrolyte of a nickel-cadmium battery is highest when the battery is

In fully charged condition

When is a flareless fitting preferable over a flared fitting?

In high pressure systems subjected to constant vibration and stress

What is the correct way to connect a test voltmeter in a circuit?

In parallel with a unit

Examples of units used in the conventional (U.S. or English) measurement include

Inch, ounce, pounds

Which of the following is NOT a benefit of AN960 and AN970 washers?

Increased resistance to the bolt vibrating loose

The opposition offered by a coil to the flow of alternating current is called (disregard resistance)?

Inductive reactance

What is the maximum penalty for cheating or other unauthorized conduct when taking an FAA mechanic test?

Ineligibility to receive any certificate or rating for one year, and suspension or revocation of any certificate held.

Which of the following may not be detectable even by careful visual inspection of the surface of aluminum alloy parts or structures?

Intergranular corrosion

Through which material will magnetic lines of force pass the most readily?

Iron

Normalizing is a process of heat treating for

Iron-base metals only

When reading aircraft blueprints the term tolerance used in association with aircraft parts or components?

Is the difference between extreme permissible dimensions that a part may have and still be acceptable.

What is the primary benefit of an MS33737 instrument nut?

It reduces magnetic influences in the cockpit, which can affect the accuracy of the instrument

Aircraft aluminum skin is easily worked due to these two characteristics:

Its malleable and ductile

load cell scales are commonly found to be the platform type and placed on top of the aircraft:

Jacks

Which type of jet fuel is a blend of kerosene and AvGas?

Jet B

In order to conduct line maintenance on a light sport aircraft such as replacing fuel pump, the technician must hold the minimum rating of

LSA repairman - inspection

Getting applicable training, keeping your knowledge current, using current manuals, asking questions, and asking someone who knows, are all behaviors or safety nets to reduce errors caused by

Lack of knowledge

Aircraft metals should be ___ so they can be formed and shaped without detrimental effect

Malleable

Where would you find information regarding the overhaul schedule for a propeller?

Manufacturers' maintenance manual

The useful load of an aircraft is the difference between

Max takeoff weight and the basic empty weight

Zero fuel weight is

Maximum permissible weight of a loaded aircraft without fuel

A mechanic has completed a bonded honeycomb repair using the potted compound repair technique. What nondestructive testing method is used to determine the soundness of the repair after the repair has cured?

Metallic ring test

What may be used to check the stem on a poppet type valve for stretch?

Micrometer

What precision measuring instruments are used to measure crankpin and main bearing journals for out of round wear?

Micrometer caliper

What type of synthetic rubber offers the best resistance to aviation fuels and oils and is therefore used for fuel hoses, fuel tank linings, and gaskets?

Neoprene

Which behavior will give you the most credibility and provide the greatest safety net against a Lack of Assertiveness?

Never compromising your integrity

The cast housing of a turbine engine gearbox must be quenched during the heat treatment process. which of the following has the slowest cooling potential?

Oil

Which statements are true? 1. In the corrosion process, it is the cathodic area or dissimilar cathodic material that corrodes. 2. In the galvanic or electro-chemical series for metals, the most anodic metals are those that will give up electrons most easily.

Only #2 IS TRUE.

Which statements are true? 1. According to FAR Part 91, repairs to an aircraft skin should have a detailed dimensional sketch included in the permanent record. 2. On occasion, a mechanic may need to make a simple sketch of a proposed repair to an aircraft, a new design, or a modification.

Only #2.

Which of the below is an appliance major repair? -overhaul of a hydraulic pressure pump -repairs to a propeller governor or its control -troubleshooting and repairing a broken circuit in the landing lights

Overhaul of a hydraulic pressure pump

Which of the following are included in the regulatory definitions of "maintenance"?

Overhaul, repair, parts replacement, preservation, and inspection

The model that incorporates people's actions in relation to their workplace environment, physical abilities, and available resources is the

PEAR model

Which is the correct order of operations when solving an algebraic equation?

PEMDAS

In the process of weighing an airplane to obtain the CG, the arms from the weighing points always extend

Parallel to the centerline of the airplane

When an aircraft is positioned for weighing on scales located under each landing gear wheel, which of the following may cause erroneous scale readings?

Parking brakes set

An AD requires that a propeller be altered. Certificated mechanics could

Perform and approve the work for return to service if it is a minor alteration

In which manner must permanent records of an aircraft be kept?

Permanent records may be preserved in either electronic or physical format

A class B fire involves? -Petroleum -Electrical -Wood, paper

Petroleum

Anthropometrics is the study of

Physical dimensions and abilities of the human body

A fully charged aircraft battery is an example of

Potential energy

Aviation Maintenance Alerts (formerly General Aviation Airworthiness Alerts) do what?

Provide information about aircraft problems and suggested corrective actions

What is the principle benefit of an Alclad aluminum surface?

Pure aluminum is less susceptible to corrosion than aluminum alloys

For aircraft operated under part 91, which of the following records must be retained and transferred with the aircraft when it is sold?

Records of the current status of applicable ADs, and date and time when recurring ADs are next due

Which is the ratio of the water vapor actually present in the atmosphere to the amount that would be present if the air were saturated at the prevailing temperature and pressure?

Relative humidity

What tasks are completed prior to weighing an aircraft to determine empty weight?

Remove all items except those on the aircraft equipment list; drain fuel and fill hydraulic fluid reservoir

When installing bonded clamps to support metal tubing;

Remove paint or anodizing from tube at clamp location

In a sectional view drawing, what sections illustrate particular parts of an object?

Removed

Which of the following is not an appropriate use of a center punch?

Removing rivets from holes

The major source of weight change for most aircraft as they age is caused by

Repairs and alterations made to the aircraft over time

Which is the best way to insure you have understood verbal instructions?

Repeat the instructions back to the speaker.

A mechanic applicant is issued a temporary certificate after successful completion of all the required tests to allow for what?

Review of his or her application and supplementary documents

Which one of the following can provide the empty weight of an aircraft if the aircraft's weight and balance records become lost, destroyed, or otherwise inaccurate?

Reweighing the aircraft with the proper configuration for determining weight

during starting of a turbine engine using a compressed air starter, a hung start occurred. select the proper procedure: -Advance the power lever to increase rpm -re-engage the starter -Shut down the engine

Shut the engine down

What is the regulatory definition of "preventative maintenance"?

Simple or minor preservation operations and the replacement of small standard parts not involving complex assembly operations

Thermal expansion is very slight in

Solids

Use of which of the following generally yields the highest degree of aircraft leveling accuracy?

Spirit levels

What is generally used in the construction of aircraft firewalls

Stainless steel

Which of these numbers indicates the horizontal distance from the manufacturer's datum to the location of a component on an aircraft?

Station number

The type of stress that can cause an object to become distorted or change its shape is

Strain

An aircraft encountering severe turbulence in flight should undergo a

Structural inspection before its next operation

You must weigh an aircraft with full fuel tanks in order to document its current CG point. After the total weight has been determined, what must be done?

Subtract the weight of useable fuel

In order to replace a critical component of an older aircraft with a modern component of superior quality, which is the minimum required?

Supplemental Type Certificate

Which statement is true regarding the variety of symbols utilized on the identifying color-code bands currently used on aircraft plumbing lines?

Symbols are always black on a white background regardless of line content

What FAA-approved document gives the leveling means to be used when weighing an aircraft?

TCDS

Which of the following are commonly used nondestructive testing methods on composite structures?

Tap test, Ultrasonic, and Radiographic.

Which statement concerning heat and/or temperature is true?

Temp is a measure of the kinetic energy of the molecules of any substance.

___ is the type of stress that tries to pull the object apart

Tension

A Technical Standard Order (TSO) is issued by whom?

The FAA administrator

If during a scheduled inspection, a defect was found which makes the aircraft unairworthy; to whom must this defect be reported

The aircraft owner

Where would one find information related to the current status of life limited parts on an aircraft?

The aircrafts permanent record

Considering an incident in which an AMT falls off a poorly maintained ladder; which of the following would be considered the latent error?

The broken ladder should have been previously replaced

On of the most common aircraft cables is a 7x19. What does the "7x19" indicate?

The cable is made up of 7 strands of wire, which contains 19 wires in each strand

What happens to the current in a voltage step-up transformer with a ratio of 1 to 4?

The current is stepped down by a 1 to 4 ratio

Nickel-cadmium batteries which are stored for a long period of time, will show a low liquid level because

The electrolyte becomes absorbed into the plates

What do flowcharts illustrate?

The flow of events in a particular sequence

Which of the following scenarios is an example of centripetal force?

The forces on turbine engine shaft as it works to hold onto attached compressor blades

During starting of a turbojet engine powerplant using a compressed air starter, a hot start occurrence was recorded. what happened? -pneumatic starter disengaged too early -the powerplant was preheated before starting -the fuel/air mixture was excessively rich

The fuel air mixture was excessively rich

What is meant by the term "residual fuel"?

The fuel remaining in the tanks, lines, and engine after draining

Which of the following can be identified by the letters and numbers printed on aircraft hydraulic hose?

The hose size

Which statement regarding the hydrometer reading of a lead-acid storage battery electrolyte is true?

The hydrometer reading does not require a temperature correction if the electrolyte temperature is 80 degrees F

An increase in the speed at which and airfoil passes through the air increases lift because

The increased speed of the airflow creates a greater pressure differential between the upper and lower surfaces

Selecting the O-ring most compatible with the type of fluid being sealed should be done with reference to

The labeling on the package

Newtons third law of motion is often called

The law of action and reaction

The simplest machine and probably the most familiar is

The lever.

What determines whether the value of a moment is preceded by a plus or minus sign in aircraft weight and balance?

The location of the weight in reference to the datum

A part which is being prepared for dye penetrant inspection should be cleaned with

The prescribed cleaning solvent

If a thermal protector switch activates to prevent overheating damage to an electric motor, once the motor has cooled;

The motor will reset by itself.

Which system provides the most accuracy in measuring drill bit diameter?

The numbering system; 1-80

An aircraft was not approved for return to service after an annual inspection and the owner wanted to fly the aircraft to another maintenance base. Which statement is correct?

The owner must obtain a special flight permit.

When work is performed on an aircraft that necessitates the use of FAA Form 337, who should prepare the form?

The person who performs or supervises the work

Which statements is acceptable when using a sketch for making a part?

The sketch must show all information to manufacture the part

What determines the amount of current which will flow through a battery while it is being charged by a constant voltage source?

The state of charge of the battery. (dead battery = more draw)

A person should approach or leave a helicopter in the pilots field of vision whenever the engine is running in order to avoid -the main rotor -the tail rotor -blowing dust or debris

The tail rotor

What is meant by a metals critical temperature range

The temp at which carbon particles dissolve in the steel

What effect, if any, will AvGas mixed with jet fuel have on a turbine engine?

The tetraethyl lead in the gasoline forms deposits on the turbine blades

Which statement is correct about parallel circuits?

The total currents is equal to the sum of all the currents through the individual branches of the circuit

The locking feature of the nylon type locknut is obtained by?

The use of an unthreaded nylon locking insert

How long are AD compliance records to be kept?

They shall be retained and transferred with the aircraft when it is sold

Which of the following is a purpose of the binary system?

To determine whether a switch is ON or OFF

Why is steel tempered after being hardened?

To relieve its internal stresses and reduce brittleness

At which speed does the airplane experience stability problems?

Transonic

For sketching purposes, almost all objects are composed of one or some combination of six basic shapes; these include the

Triangle, circle, cube, cylinder, cone, and sphere.

The term that best describes the approach of the boundary layer to the center of the wing that begins to lose speed due to skin friction and becomes thicker and turbulent is?

Turbulent layer

After making a repair to an aircraft engine that is to be returned to service, an FAA Form 337 is prepared. How many copies are required and what is the disposition of the completed forms?

Two, one for thew owner and one for the FAA

Which file type will provide the smoothest cut and finest finish?

Vixen file

A typical application for zener diodes is as

Voltage regulators

If dye penetrant inspection indications are not sharp and clear, the most probable cause is that the part

Was not thoroughly washed before the developer was applied

How may magnesium engine parts be cleaned?

Wash with a commercial solvent, decarbonize, and scrape or grit blast.

Which statement is true regarding helicopter weight and balance?

Weight and balance procedures for airplanes generally also apply to helicopters

Which of the following problems can be solved by using the Pythagorean theorem?

What is the height above the ground of an aircrafts vertical stabilizer?

Which of the following is not true regarding the four forces of flight?

When an airplane is climbing, it has more weight than lift

When may an otherwise qualified mechanic who does not read, write, speak, and understand the English language be eligible to apply for a mechanic certificate?

When employed outside the US by a US air carrier.

When is a mechanic responsible for checking AD compliance?

When performing an inspection required under part 91, 125, 135

During inspection of a NiCad battery, at what point should the water level be checked and refilled if necessary?

When the battery is at a fully charged state.

Which of the following logic gates in (#537) will provide an active high output only when all inputs are different?

XOR

Regarding the use of respirators when working with composite material; which is the best indication that the mask's filters need to be replaced?

You can smell resin with the mask on

Which of the following is a requirement to continue to hold an Inspection Authorization certificate?

You must have a fixed base of operations

A person working under the supervision of a certified mechanic with an airframe and powerplant rating is not authorized to perform

a 100 hour inspection

Which requires the most electrical power?

a 1/5 hp, 24v motor which is 75% efficient

When towing a large aircraft, when crossing a runway or taxiway, -a person should be in the cockpit to watch for obstructions -persons should be stationed at the nose, each wingtip, and the empennage -a person should be in the cockpit to operate the brakes

a person should be on the cockpit to operate the brakes

In performing a dye penetrant inspection, the developer

acts as a blotter to produce a visible indication

When quenching a heated piece of steel, the proper procedure is to

agitate the part vigorously as it is placed in the quenching solution

Which of the following are authorized to sign a return to service document following maintenance on an aircraft? -A&P -Holder of an Inspection Authorization -The aircraft manufacturer

all 3

When computing weight and balance, an airplane is considered to be in balance when?

all moment arms of the plane fall within CG range

The advantages of MS28782 Teflon backup rings include:

all of the above

Working in high temperature environments can cause?

all of the above 1. The body to overheat 2. An increase in perspiration 3. An increased heart rate

Galvanic corrosion is most likely to be most rapid and severe when the surface area of the

anodic metal is smaller than the surface area of the cathodic metal

When starting a turbofan engine with the aircrafts onboard APU at what minimum rpm should the APU be turning in order to successfully start the engine? -75% max rpm -100% max rpm -any rpm equal to or greater than the engines self-sustain speed

any rpm equal to or greater than the engines self-sustain speed

A scratch or nick in aluminum tubing can be repaired, provided it does not

appear in the heel of the bend

If electrolyte from a lead-acid battery is spilled in the battery compartment, which procedure should be followed?

apply sodium bicarbonate solution to the affected area followed by a water rinse

The 100 hour inspection required by the FARs for certain aircraft being operated for hire may be performed by

appropriately rated mechanics and approved by them for return to service.

FAA certified mechanics may

approve for return to service a minor alteration they have performed appropriate to the rating(s) they hold.

When joining and torquing flared tubes and fittings

assure the connection is clean and dry

A 14ohm resistor is to be installed in a series circuit carrying .05 ampere. how much power will the resistor be required to dissipate?

at least 35 milliwatts

The working voltage of a capacitor in an AC circuit should be

at least 50% greater than the highest applied voltage

Ferrous oxide corrosion is typically formed by

atmospheric humidity

Which type of flight control tabs move in the opposite direction of the control surface on which it is attached?

balance tabs

If R2 sticks in the up position, the light will (#535)

be on full bright.

Nickel cadmium battery cases and drain surfaces, which have been affected by electrolyte, should be neutralized with a solution of

boric acid solution

The Air Transport Association of America (ATA) Specification No. 100 (1) establishes a standard for the presentation of technical data in maintenance manuals. (2) divides the aircraft into numbered systems and subsystems in order to simplify locating maintenance instructions. Regarding the above statements,

both are true

Which statements is true? -Bonded clamps are used to support when installing metal tubing. -Unbonded clamps are used to support when installing wiring.

both statements are true

How can the state-of-charge of a nickel-cadmium battery be determined?

by a measured discharge

Instrument repairs may be performed

by an FAA-approved instrument repair station.

Hydraulic tubing, which is damaged in a localized area to such an extent that repair is necessary, may be repaired

by cutting out the damaged area and utilizing a swaged tube fitting to join the tube ends

Aircraft nuts are made of stainless steel, anodized 2024T aluminum alloy, or

cadmium plated carbon steel

If an open occurs at R1, the light (#535)

cannot be turned off

Case hardening may be found in the form of

carburizing, nitriding, or cyaniding

A clevis bolt used with a fork-end cable terminal and is secured with a

castellated shear nut tightened with no strain imposed and safetyed with a cotter pin

If a specified tool or part is not available to complete an assigned task, and no equivalent tools or parts are authorized, you should

cease work until the actual tool or part can be obtained

If a radial engine has been shut down for more than 30 minutes, the propeller should be rotated through at least to resolutions to -check for leaks -check for hydraulic lock -prime the engine

check for hydraulic lock

Corrosion problems downstream of engine exhaust areas is caused by

chemical makeup of exhaust gasses

When an anodized surface coating is damaged in service, it can be partially restored by

chemical surface treatment

referring to figure 12-12, the no.7 wire is used to

complete the PUSH-TO-TEST circuit

When inspecting an aircraft you suspect an unapproved part has been installed at a prior time, you should

contact your supervisor

Generally, when an induction fire occurs during starting of a reciprocating engine the first course of action should be -direct carbon dioxide into the air intake -continue cranking -close the throttle

continue cranking

A certain amount of slack must be left in a flexible hose during installation because, when under pressure, it

contracts in length, and expands in diameter

What information is generally contained in Aircraft Specifications or TCDS

control surface movements

Which is the main alloying ingredient in 2024 aluminum?

copper

Honeycomb composite construction for aircraft consist of

core, face sheets, and adhesive

ADs are issued primarily to

correct an unsafe condition

Caustic cleaning products used on aluminum structures have the effect of producing

corrosion

How is a flooded engine, equipped with a float-type carburetor, cleared of excessive fuel? -crank engine, mixture idle cutoff, ignition off, throttle wide open -turn off fuel and ignition, discontinue starting attempt until fuel has been cleared -crank engine, mixture idle cutoff, ignition on, throttle wide open

crank engine, mixture idle cutoff, ignition OFF, throttle wide open

When accomplishing loading computations for a small aircraft, necessary information obtained from the weight and balance records would include

current empty weight and empty weight CG

What is the advantage of using a fine tooth saw instead of a tube cutter when cutting rigid tubing?

decreases work hardening of the tube material

What defects will be detected by magnetizing a part using continuous longitudinal magnetization with a cable?

defects perpendicular to the long axis of the part

The end-of-charge voltage of a 19-cell nickel-cadmium battery, measured while still on charge

depends on its temperature and the method used for chaerging

Which of the following are commonly used as rectifiers in electrical circuits

diodes

A schematic drawing of a hydraulic system would indicate the

direction of fluid flow through a system.

Which is NOT considered an advantage of double flaring

double flare is recommended for hard metal tubing when cracking may occur

Iron Constantan thermocouples function primarily by measuring the

electrical conductivity of a metal as it changes temperature

A fire extinguisher marked with a white C in a blue circle is best suited for

electrical fires

Fayed surfaces cause concern in chemical cleaning because of the danger of

entrapping corrosive materials

When different rated capacitors are connected in parallel in a circuit, the total capacitance is

equal to the sum of all the capacitances

When inductors are connected in series in a circuit, the total inductance is (where the magnetic fields of each inductor do not affect the others)

equal to the sum of the individual inductances

A cabin entry light of 10 watts and a dome light of 20 watts are connected in parallel to a 30v source. if the voltage across the 10-watt light is measured, it will be

equal to the voltage across the 20w light.

An aircraft equipped with an Air Traffic Control transponder must have that transponder checked

every 24 calendar months

When a discrepancy list is provided to an aircraft owner or operator after an inspection is completed, it says in effect that?

except for these discrepancies, the item inspected is airworthy

The lifting and flaking of the metal at the surface due to delamination of grain boundaries caused by the pressure corrosion residual product buildup is called?

exfoliation

The drawings often used in illustrated parts catalogs/ manuals are

exploded view

Never use co2 type fire extinguishers on burning metal because? -toxic fumes -can cause explosive conditions in the metal -is generally ineffective

explosive conditions

The principle drawback of Halon 104, 1001, and 1202 type fire extinguishers is that they: -must be stored in high pressure cylinders -are extremely toxic -are ineffective against electrical fires

extremely toxic

The FAA mandates the same weight and balance requirements for weight-shift control aircraft and powered parachutes as it does for certified airplanes and helicopters. (true or false)

false, the regulations are not the same

For how long must records of required scheduled inspections performed on an aircraft be kept?

for 1 year

When computing the maximum forward loaded CG of an aircraft, minimum weights, arms, and moments should be used for items of useful load that are located aft of the

forward CG limit

Which piece of information would NOT be found in a type certificate data sheet?

frequency and type of inspections required for the aircraft

An aircraft's LEMAC and TEMAC are defined in terms of distance

from the datum

Which of the following is true regarding the privileges of an A&P mechanic

he/she may perform minor repairs and approve the work for return to service

Which of the below is the product of electrical resistance?

heat

The core material of Alclad 2024-T4 is

heat-treated aluminum alloy, and the surface material is commercially pure aluminum.

The testing medium that is generally used in magnetic particle inspection utilizes a ferromagnetic material that has

high permeability and low retentivity

An overly rich mixture when starting a turbine engine will cause a

hot start

The term "cold flow" is generally associated with

impressions left in natural or synthetic rubber hose material

To obtain useful weight data for purposes of determining the CG, it is necessary that an aircraft be weighed

in a level flight attitude

The maximum weight as used in weight and balance control of a given aircraft can normally be found

in the Aircraft Specification or Type Data Sheets

The purpose of an aircraft wing dihedral is to

increase stability in the lateral axis

The basis for transformer operation in the use of alternating current is mutual

inductance

An increase in which of the following factors will cause an increase in the inductive reactance of a circuit?

inductance and frequency

Transfer of electricity from one circuit to another without the aid of electrical connections

induction

Civilian Aviation Regulations (CARs) are referred to when

inspecting or repairing aircraft which enteredservice prior to the 1960s

When dividing fractions, it is best to

invert the second fraction and multiply the resulting numbers

When tying down a seaplane in strong winds, the practice of flooding the floats -is acceptable -is unacceptable -should only be done on the anticipated upwind float

is acceptable

When an aircraft is sold domestically, the Airworthiness Certificate

is transferred with the aircraft at the time of sale

When calculating power in a reactive or inductive AC circuit, the true power is

less than the apparent power

Referring to the equation, when more than two inductors of different inductances are connected in parallel in a circuit, the total inductance is [Lt = 1/(1/L1+1/L2+1/L3...)]

less than the inductance of the lowest rated inductor

For how long must a part 145 repair station keep records of maintenance activity?

minimum of 2 years

The replacement of fabric on fabric-covered parts such as wings, fuselaghes, stabilaizers, or control surfaces is cosidred to be a

major repair even though no other alteration or repair is performed

Which term means .001 ampere

milliampere

Regarding the statements below: 1. Certified mechanics with an airframe rating may perform a minor repair to an airspeed indicator providing they have the necessary tools and equipment available. 2. Certificated mechanics with a powerplant rating may perform major repair to a propeller providing they have the necessary tools an equipment available.

neither 1 nor 2 is true

Which statements are true? 1. Private aircraft are required by regulations to be weighed periodically. 2. Private aircraft are required to be weighed after making an alteration

neither are true

Most often, problems associated with a team's "normal way of doing things" can be best identified by the

newest member of the team

When tying down an aircraft outside, whenever possible it should be positioned with the -nose into the wind -tail into the wind -anticipated upwind aileron into the wind and positioned downwards

nose into the wind

In a functional and operating circuit, the logic gate depicted in (#537) will be 0 when

one or more inputs are 0

If the cross-sectional area of a given conductor is increased to four times its original value, and the length and temperature remain constant, the resistance of the conductor will be

one-fourth its original value

Regarding the statements below: 1.The FARs require approval after compliance with the data of a supplimental type certificate 2.An installation of an item manufactured in accordance with the TSO system requires no further approval for installation in a particular aircraft

only 1 is true

When is an AN Clevis bolt used on an airplane?

only for shear load applications

Metal tubing fluid lines are sized by wall thickness and

outside diameter in 1/16 inch increments

Each of the following must be displayed on a fireproof data plate attached to all US aircraft except

owners contact information

The pattern for an inclusion is a magnetic particle buildup forming

parallel lines

When making a rearward weight and balance check to determine that the CG will not exceed the rearward limit during extreme conditions, the items of useful load which should be computed at their minimum weights are those located forward of the

rearward CG limit

Diodes are used in electrical power circuits primarily as

rectifiers

Which of the following is not a kind of friction?

resisting friction

Which of the following is an example of a major repair performed on an airframe? -upkeep and preservation... -restoration of the airframe to a condition for safe operation after damage or deterioration -simple or minor preservation...

restoration of the airframe

A Chromic Acid/ Sulfuric Acid wash is best used to

restore a protective oxide coating on an aluminum surface

According to 14CFR section 65.19, should an applicant fail to receive a passing grade on a knowledge exam, he/she may:

retake the exam anytime following further instruction

When taxing or towing an aircraft, a flashing white light from the control tower means

return to your starting point

When checking an item with the magnetic particle inspection method, circular and longitudinal magnetization should be used to

reveal all possible defects

The concept that a system should continue to function even if one of its components fails describes the practice of

safety engineering

The rotor system on a helicopter that has blades which are rigidly attached to the hub with the blades and hub able to teeter like a seesaw is the

semi-rigid rotor system

A certificated mechanic shall not exercise the privileges of the certificate and rating unless, within the preceding 24 months, the Administrator has found that the certificate holder is able to do the work or the certificate holder has

served as a mechanic under the certificate and rating for at least 6 months

Flexible fluid lines must be installed with?

slack equal to approx 5% of their length

One way a part may be demagnetized after magnetic particle inspection is by

slowly moving the part out of an ac magnetic field of sufficient strength

If it is necessary to accurately measure the diameter of a hole approx 1/4" in diameter, the technician should use a

small hole gauge and determine the size of the hole by taking a micrometer reading of the ball end of the gauge.

Capacitors are sometimes used in DC circuits to

smooth out slight pulsations in current/voltage

Which is classified as a major repair?

splicing of skin sheets

Which of these materials is the most cathodic?

stainless steel

Which of the following is a typical cause of a hung start on a turbofan engine? -malfunction in ignition system -starter cutting off too soon -excessively rich mixture

starter cutting off too soon

What is a typical use for a ground support air cart

starting engines

When we think of aviation safety in a contemporary way, human error is the

starting point

A certificated mechanic without an inspection authorization who signs the appropriate block on FAA Form 337 is doing what?

stating that he/she is the person who has performed the work

If a standard AN flared fitting is colored black, what material is in made of?

steel

Corrosion should be removed from magnesium parts with a

stiff, hog-bristle brush

Under 14 CFR, what is the maximum penalty for falsification, alteration, or fraudulent reproduction of certificates, logbooks, reports, and records?

suspension or revocation of any certificate held

Under magnetic particle inspection, a part will be identified as having a fatigue crack under which condition?

the discontinuity is found in a highly stressed area of the part

When starting and ground operating an aircrafts engine, the aircraft should be positioned to head into the wind primarily -to aid in engine cooling -to help cancel out engine torque effect -achieving maximum airflow into the induction system

to aid in engine cooling

A helicoil insert is used

to replace damaged threads in aircraft structures

To determine CG, which of the following formulas is used?

total moment/ total weight

In order to reconstruct lost or destroyed aircraft mainenance records, what is it necessary to establish?

total time in service of the aircraft

When a charging current is applied to a nickel cadmium battery, the cells emit gas

toward the end of the charging cycle

An 1100 aluminum alloy rivet is a soft rivet not suitable for high strength applications

true

An AN-73 bolt has the head drilled for insertion of safety wire. (true or false)

true

Which requires the most electrical power during operation?

two lights requiring 3-amperes each in a 24v parallel system.

Where do you look to determine the operating CG range when calculating a new aircraft weight and balance document?

type certificate data sheet

Which is the best method to detect intergranular corrosion?

ultrasonic inspection

Which of these nondestructive testing methods is suitable for the inspection of most metals, plastics, and ceramics for surface and subsurface defects?

ultrasonic inspection

Unless otherwise specified or required, aircraft bolts should be installed so the bolt head is facing

upward, or in a forward direction

A behavior or safety net to reduce errors caused by distractions is to

use a detailed checklist

Minimizing corrosion related problems with piano hinges attached to control surfaces are best accomplished by

use of water displacing lubricants when servicing

A gas or fluid line marked with the letters PHDAN is

used to carry physically dangerous materials

What is the normal duration of a mechanic certificate with airframe and/or powerplant ratings?

valid until surrendered, suspended, or revoked

The rudder is a type of flight control or directional control for the

vertical axis

A special delivery needs to be made for a large painting. The painting measures 9ft tall by 9ft wide. It is being delivered by a cargo plane that has a door opening of 6-1/2 feet tall 8-1/2 feet wide. will it fit?

yes, diagonally


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