Avit 324 final exam (quizzes)
Looking at the inspection list below, when is the next annual inspection due? Inspections last complete: Annual inspection - August 15, 2019 100 hour inspection - 1150.6 hrs ELT inspection - August 15, 2019 Transponder inspection - September 15, 2018 Altimeter/Static Inspection - July 12, 2020 VOR check - July 2, 2020
08/31/2020
Looking at the inspection list below, when is the next transponder inspection due? Inspections last complete: Annual inspection - August 15, 2019 100 hour inspection - 1150.6 hrs ELT inspection - August 15, 2019 Transponder inspection - September 15, 2019 Altimeter/Static Inspection - July 12, 2020 VOR check - July 2, 2021
09/30/2021
Indicated Mean Effective Pressure = 90 lbs/sq in Stroke = 4.5 in Bore = 5 in What is the theoretical indicated horse power of this four-cylinder four cycle engine at 2500 RPM?
100 HP
A Given circuit has been configured to have 15 ohms of resistance along its path. If the circuit is 30V, what will be the amperage along the circuit?
2
A cylinder in a ___ stroke engine will complete its operating cycle at every full rotation of the crank shaft.
2
If you were flying the Piper Seminole out of Denver International (airport elevation 5,400 feet MSL), approximately what would be the highest manifold pressure the engine could produce and maintain on a standard day?
24" MAP
The total usable fuel capacity of the Piper when filled to tabs is _______ gallons.
34
A 100-hour inspection was due at 3302.5 hours. The 100-hour inspection was actually done at 3309.5 hours. When is the next 100-hour inspection due (enter the number only to one decimal place)?
3402.5
Motor = 55 WattsAmps = 11 amps To maximize power output of the motor above, what amount of voltage must be applied?
5
The Piper Archer's engine has ____ total spark plugs.
8
Which of the following oils is used at UND in our aircraft?
Aeroshell 15W50
Which of the following aircraft inspections is required for the aircraft to be legally operated under instrument flight rules (IFR)?
Annual inspection 100 hour inspection ELT inspection Transponder inspection Altimeter/Static Inspection VOR check
What component of a float type carburetor is connected directly to the throttle control?
Butterfly valve
Which of the following statements is true about the use of carburetor heat?
Carburetor heat should be applied BEFORE carburetor icing conditions are noted on the appropriate gauges
Which of the following is a force acting on a propeller?
Centrifugal Torque bending Aerodynamic twisting Thrust bending
Which of the following is the measure of the amount of electricity?
Coulomb
Airplane engine manufactures use a universal cylinder numbering system to prevent confusion and error for pilots and mechanics flying and working on different aircraft types with different engine installations.
False
Because of the different velocities along the blade length the standard propeller is designed so the hub has a thinner profile and less camber than the propeller tips.
False
What kind of connecting rod will be utilized in a V-type engine design?
Fork and Blade Type
What form does a pilot use and who do they submit it to when requesting a ferry permit?
Form 8130-6 submit to the local FSDO having jurisdiction where the flight will occur
Which of the following terms indicates the amount of horsepower loss due to operating forces within the engine that have to be overcome?
Friction Horsepower (FHP)
Which form of induction ice is associated with the temperature drop in the venturi caused by fuel changing matter state (liquid to vapor)?
Fuel Evaporation
What type of fuel system is found on the Piper Archer?
Fuel-Pump System
Which of the following refers to the distance a propeller should travel forward in one revolution?
Geometric Ptich
When using a constant speed propeller you should avoid __________ manifold pressure and ________ RPM settings in order to prevent engine damage.
High; Low
If the oil filter became clogged on the Piper Archer:
If the oil filter became clogged on the Piper Archer:
Which of the following terms assumes a theoretical engine that has no internal friction forces?
Indicated Horsepower (IHP)
What component of a fuel injection system are the throttle and mixture controls connect to?
Servo regulator
Which major aircraft engine manufacturer numbers cylinders from the rear moving forward with odd cylinders on the right and event cylinders on the left?
Teledyne Continental
Immediately following an alternator failure, the main battery of the Piper Archer will provide stored electrical power to:
The entire electrical system and all its active components
Preventive maintenance has been performed on an aircraft. What paperwork is required?
The signature, certificate number, and kind of certificate held by the person approving the work and a description of the work must be entered in the aircraft maintenance records.
The force acting on a propeller that tends to cause the blade tips to flex forward while the hub remains stationary when thrust is produced is classed
Thrust bending
What is the difference between an annual inspection and a 100-hr inspection?
Whose signature (A&P vs. A&P IA) is required before the aircraft can be returned to service
On a turbocharger, the compressor is spun by:
a turbine which converts the flow of exhaust gases into mechanical energy
Which of the following is not an electrical bus that exists on the Piper Archer's electrical system?
alternator
In a wet-pump oil system - the sump is:
an integral part of the engine
During which stroke(s) of a four-stroke engine will the intake and exhaust valves both be open?
at the end of the exhaust and beginning of the intake strokes
Which of the following aircraft design features are used to mitigate the risk of static electricity buildup on an aircraft's surface?
bonding strip static wick
What forces in the Piper Seminole Propeller system will drive the propeller to a low pitch/high RPM during an under-speed condition?
boosted oil pressure from the propeller governor centrifugal twisting force
During times of high boost, the waste gate on a variable turbocharger system will be:
closed
During which stroke of the four-stroke engine cycle does the upward movement of the piston within the cylinder occur with both valves closed?
compression
During which stroke of the four-stroke engine cycle is spark provided to ignite the fuel/air mixture within the cylinder?
compression
Because of their simplicity, most aircraft like Piper Archer are equipped with a _______ flow injection system.
continuous
Assuming everything else remains constant, if you increase the amount of light bulbs (resistors) on a circuit, the amps will:
decrease
Which component of a variable automatic turbo charger system senses upper deck pressure and moves the wastegate controller toward the desired position.
density controller
Which of the following electrical components is designed to only allow electric to flow in one direction between two electrical components.
diode
How can the risk of water freezing in fuel be reduced?
drain fuel tanks prior to flight use an additive such as Prist to the fuel to lower the freezing point
What is electricity?
electricity is the flow or transmission of electrons along the surface of an object
What engine gauge can be used a pilot to consistently set the air:fuel ratio within their engine during normal operations?
exhaust gas temperature gauge
There is no danger in letting an engine cool rapidly
false
True or False. The air to fuel ratio that produces the most power for a reciprocating engine is the one that produces the most heat by the burning of the fuel/air mixture within the cylinders.
false
Which of the following oil properties is the temperature at which it begins to give off ignitable vapors?
flash point
What type of propeller has the ability to change pitch to the point that the propeller will actually stop rotating in flight?
full-feathering
What type of propeller allows a pilot to mechanically select either a cruise prop pitch or climb prop pitch prior to departure?
ground adjustable
Ashless dispersant oil has additives that will:
help prevent engine sludge by using partials that don't get trapped until the oil filter
Propeller control: set to 2400 RPM Manifold Pressure: set to 24" MAP In an overspeed condition, the propeller blade will adjust to a __________ pitch angle in order to maintain the desired RPM.
higher
Which of the following operations would require a 100-hour inspection to be conducted?
if an airplane is being used for flight instruction
Which of the following is not a type of engine design you would see on an aircraft because of its low power to weight ratio and difficulty to be air cooled?
in-line engine
Assuming everything else remains constant, if you increase the amount of volts flowing through a circuit, the amps will:
increase
Which of the following design modifications would increase engine power output of a particular engine?Mark all that apply...
increasing the bore of the engine's cylinders increasing the maximum permissible operating range (RPM) of the engine
During which stroke of the four-stroke engine cycle does the downward movement of the piston within the cylinder draw in the fuel air mixture for ignition?
intake
When the ignition switch is placed on the "R" setting, the ________ side magnetos will be grounded.
left
The Cylinder Head Temperature gauge on the G1000 shows the #4 cylinder is running hot on your Piper Archer, what cylinder is affected?
left rear cylinder
The Cirrus SR22 GTS utilized a turbo normalized system. This meant it could:
maintain only sea level rated power to a higher altitude
During engine start the impulse coupling will:
make use of a stop-pin and spring on the left magneto to mechanically wind and delay spark on the left-side magneto
The oil temperature gauge in the Piper Archer:
measures the effectiveness of the oil system
If the alternator fails in the Piper Archer, when will the emergency battery power the essential bus?
never
Which of the following is the measure of the amount of resistance to the flow of electricity?
ohms
Which of the following is not one of the four things a pilot needs to check according to 91.213(d)?
operating limitations in the POH
What type of electrical circuits are often used in aircraft design?
parallel
How could a pilot tell if there was water in the fuel?
pilot could sample the fuel via a drain and do a visual inspection
_________ point is the property of oil that identifies the minimum temperature at which oil will flow.
pour
During which stroke of the four-stroke engine cycle will the exhaust valve open to allow for the scavenging/purging of the burned fuel/air mixture within the cylinders?
power
Which of the following factors affect engine design and choice for airplane manufactures?
power to weight ratio of an engine what the operating limitations of the engine are how much fuel the engine burns how long the engines time is between overhauls how much area the engine takes up
Synthetic oil:
provides better performance than other oils across and temperature range
Propeller control: set to 2400 RPM Manifold Pressure: set to 24" MAP In an overspeed condition, the pilot valve in the prop governor will ________ allowing oil to __________ the propeller hub.
raise; leave
Which of the following electrical components is designed to convert voltage into heat in order to regulate electrical output?
resistor
When the ignition switch is placed on the "L" setting, the ________ side magnetos will be grounded.
right
What is the correct operational procedure for removing the carbon deposits on a fouled plug?
select both magnetos and increase power to moderately high setting with a leaned mixture for a few moments
What is meant by the term "wet wing?"
term used to describe an airplane that uses its wing structure as a fuel tank
According to the FAA's definition in chapter 1, an altitude engine is an engine:
that can maintain sea level rated takeoff power to an altitude higher than sea level
Which of the following statements is true about the fuel system on the Piper Archer?
the fuel indicating system is independent of the MFD fuel planning information entered by the pilot into the MFD anytime the GEA senses that there is less than five gallons of fuel in either tank the low fuel quantity caution light will illuminate the fuel gauges in the Piper Archer are calibrated to read correctly only when there is no fuel in the tank
During engine runup, if a pilot selects the left magneto and notes an approximate drop of 200 to 500 RPM outside of the single-side allowed tolerances with a rough running engine, what is most likely the problem?
the ignition system has a fowled plug on that side which can be verified with the EGT
During engine runup, if a pilot selects the left and right-side magnetos and notes an approximate difference of 100 RPMs more than allowed by tolerances between the two with a relatively smooth-running engine, what is most likely the problem?
the magneto on either side is incorrectly timed
Which form of induction ice within a carburetor is most likely to occur at low power settings
throttle
Prior to shut-down a pilot momentarily turns OFF the engine using the aircraft's ignition switch, why is this procedure necessary?
to make sure the aircraft's P-lead is not broken and the magnetos are grounded
Which of the following electrical components will be used on an aircraft electrical system where it is necessary to convert AC to DC power?
transformer rectifier unit
Direct current flows in only one direction while alternating current will actually switch directions of flow.
true
Some turbocharger systems will require the pilot to idle the engine for a period of time known as "cool-down" time prior to shutdown to prevent damage to the bearings in the compressor and turbine assemble.
true
The current produced by the magnetos for engine start is completely independent and separate from the remainder of the aircraft's electrical system.
true
True or False. The air to fuel ratio that produces the highest effeciency for a reciprocating engine is the one that produces the most heat by the burning of the fuel/air mixture within the cylinders.
true
True or False. To complete electrical circuits in the Piper Archer, engineers have grounded the negative side of all circuits to the aircraft's metal structure, thus using the aircraft itself as a conductor.
true
A __________ will compress the induction air prior to it being mixed with fuel.
turbocharger
Why is the turbocharger design often consider more efficient than the supercharger design?
turbochargers don't rob the engine of its power like superchargers do
What is the proper procedure for setting best economy in the Piper Archer?
use the EGT gauge and lean the mixture until the last cylinder peaks (reaches it hottest setting) then enrichen the mixture until that cylinder is 100 F less than the noted peak value
The magnetos generate spark by:
using the mechanical energy of the accessory case of the engine to turn its internal magnets within a coil
An oil with lower the ________ of the oil, the faster it will flow.
viscosity
Which of the following refers to the force of electricity?
volts
A turbocharger equipped on an airplane has a critical altitude of 14,000 feet, this is the altitude:
where the wastegate will be fully closed at which any increase in altitude will result in loss of power above which the maximum boost from the turbocharger will always be provided
If an alteration or repair substantially affects an aircraft's operation in flight, that aircraft must be test flown by an appropriately-rated pilot and approved for return to service prior to being operated
with passengers aboard
