1st Qtr

Which of the following grades of emery cloth is the finest grade? A. 1 B. 1/2 C. 00 D. 0000

0000

When you are flaring tubing, place the end of the tubing approximately ___ above the surface of the flaring block or to the manufacturer's specifications A. 1 B. 1/16" C. 3/4" D. 1/2"

1/16"

When dipped in a bath of ice and water, a thermometer should read within 1'F of _____. A. 0 'F B. 20'F C. 32'F D. 212'F

32'F

A male-threaded pipe should be turned into a female fitting for a distance of at least _____ threads. A. 2 B. 3 C. 4 D. 5

5

Double flares are recommended only for tubing that is ____ or larger. A. 5/16" B. 1/4" C. 3/16" D. 1/8"

5/16"

Which type of solder be used on water lines that are under a high-pressure? A. 60/40 tin-lead solder B. 50/50 tin-lead solder C. 95/5 tin-lead solder D. 100% tin solder

95/5 tin-lead solder

Electrical shock occurs when ____. A. A body becomes part of an electrical circuit. B. The equipment is not rated at the proper voltage or current. C. A voltage spike occurs in a circuit. D. All of the above.

A body becomes part of an electrical circuit

To easily heat a single area from multiple directions when brazing, use ____. A. A brazing hook attachment B. A service mirror to reflect heat C. An automated rotating brazing robot D. Four torches at once

A brazing hook attachment

Emery cloth, which is a type of _____ used to clean and smooth services. A. Fastener B. Gasket C. Abrasive D. Solvent

Abrasive

Always use a pressure regulator when working with ____. A. Acetylene B. Nitrogen C. Oxygen D. All of the above

All of the above

Before operating a power tool, ______. A. Check the condition of the tool B. Ensure that the extension, if used, is the appropriate size C. Put on the appropriate PPE D. All of the above

All of the above

Which type of fastener could be used to hold together pieces that must be dismantled frequently? A. Machine screws B. Bolts C. Cap screws D. All of the above.

All of the above

The building inspection process normally begins _____. A. Before construction, with plans and specifications submitted for approval B. During construction, when equipment arrives at the worksite C. During construction, after equipment is installed, but before it is an operation D. After construction

Before construction, with plans and specifications submitted for approval

Most flare fittings are made of drop-forged ____. A. Silver B. Lead C. Brass D. Tin

Brass

With physical properties similar to PVC pipe, ____ pipe is an excellent material for carrying hot, corrosive liquids. A. CPVC B. PEX C. ACR D. Flexible

CPVC

A____ punch is used to mark the location of a hole that needs to be drilled. A. Center B. Drift C. Pin D. Prick

Center

Based on a ASHRAE standard 34, which refrigerant classifications would indicate least toxicity? A. Class A1 B. Class B1 C. Class B3 D. All are equally toxic.

Class A1

Networking is the process of ____. A. Completing the education or certification requirements for a position. B. Connecting with other individuals within a group or industry C. Moving from one position to another, that requires additional skill and knowledge D. Starting your own company.

Connecting with other individuals within a group or industry

Installing refrigeration units on the roof of a new grocery store would be completed by someone in an occupation found in the ______ pathway. A. Construction B. Design/preconstruction C. Maintenance/operations D. None of the above

Construction

Performing load calculations to specify equipment for a refrigeration system for a new grocery store would be completed by someone in an occupation found in the _____ pathway. A. Construction B. Design/ preconstruction C. Maintenance/ operations D. None of the above

Design/preconstruction

A _____ punch is used to drive out keys and to line up holes in mating parts. A. Prick B. Pin C. Drift D. Center

Drift

Which of the following occupations is most likely to write a report for a client? A. Building inspector B. Energy auditor C. Estimator D. HVACR drafter

Energy auditor

Which of the following occupations is most likely to know the cost of materials and labor needed to install a large ductwork system for a commercial building? A. Building inspector B. Energy auditor C. Estimator D. HVACR drafter

Estimator

A hardhat can be worn with the bill facing forward or backward. T or F

False

A manometer is typically used to measure the voltage, resistance, and current of a circuit. T or F

False

A stationary refrigerant detector indicates when refrigerant is moving too slowly in a system. T or F

False

ABS plastic pipe is most appropriately used in high-pressure applications. T or F

False

Alcohol is an acceptable cleaning solvent for refrigeration systems components. T or F

False

Before parts are reassembled, a cleaning gasoline is used to remove oil, grease, and sludge from the surfaces. T or F

False

Bending or hammering may cause soft copper tubing to become soft. T or F

False

Brazing alloys should be checked to make sure they contain cadmium

False

Brazing uses a filler alloy that melts below 840°F. T or F

False

Building inspectors make suggestions about the installation of HVACR systems but the HVAC installer makes the final decision on how the system is installed. T or F

False

During a professional interview, it is best if the the candidate being interviewed does not ask any questions of the interviewer. T or F

False

Employers are not allowed to view a job candidates social media post, blog, post, and website comments. T or F

False

If a chisel is not available, a screwdriver can be used instead and struck with a hammer. T or F

False

Keys used for electrical lockout must be kept near the lockout device so any worker can unlock the device in an emergency. T or F

False

Maintenance, such as cleaning and checking a residential air-conditioning system in the spring, is classified as installation work. T or F

False

Normally, an HVACR installer selects the equipment for a commercial air-conditioning system. T or F

False

Once you have obtained HVACR certification, you no longer need to learn about HVACR equipment and systems. T or F

False

Pushing on a wrench helps to avoid sudden loosening that may cause hand injury. T or F

False

Schedule 80 plastic pipe walls are too thin to be threaded. T or F

False

The fluid in a thermometer may be allowed to freeze. T or F

False

There is little opportunity for advancement from an entry-level HVACR technician position. T or F

False

Those who pursue a career in the HVACR field follow the same career path T or F

False

Type L copper tubing has thicker walls than Type K copper tubing. T or F

False

When parts are disassembled, gaskets are used to clean the parts before they are reassembled. T or F

False

You can safely use water to extinguish an electrical fire. T or F

False

Your cover letter should be generic so you do not need to modify it for each position you apply to. T or F

False

A ____ is used to clean the teeth of a file. A. Cold chisel B. Screwdriver C. File card D. Hand file

File card

The minimum radius for a 90' tubing bend is _____ times of he diameter of the tubing. A. Two B. Three C. Four D. Five

Five

A twist drill bit has ____ to remove chips from the hole as it is being drilled A. Flutes B. A shank C. A tang D. Box end

Flutes

A(n)_____ wrench is used to measure and regulate the amount of tightness applied to a fastener A. Flutes B. A shank C. A tang D. Bristles

Flutes

The globally harmonize system (GHS) includes the following standard label elements except _____. A. Foreign-language translations B. Hazard statements C. Signal words D. Symbols

Foreign-language translations

Black steel pipe is primarily used in ___ lines. A. Gas B. Water C. Refrigerant D. Suction

Gas

Which of the following occupations is part of the Design/Preconstruction career pathway? A. HVACR B. HVACR (mechanical) drafter C. Pipe fitter D. Sheet metal worker

HVACR (mechanical) drafter

Which of the following occupations is likely to spend the most time using computer-aided design software? A. HVACR drafter B. HVACR engineer C. HVACR installer D. HVACR service technician

HVACR drafter

Which of the following occupations is likely to spend the most time checking refrigeration and air-conditioning systems to ensure proper performance? A. HVACR drafter B. HVACR engineer C. HVACR installer D. HVACR service technician

HVACR service technician

When producing a hole in concrete or masonry, it is best to use a(n) _____. A. Hammer drill B. Impact driver C. Power screwdriver D. Reciprocating saw

Hammer drill

Store and transport, refrigerant cylinders _____. A. In a vertical position with the valve up. B. In a vertical position with the valve down. C. In a horizontal position D. All positions are equally safe.

In a vertical position with the valve up

Motivating others, by having a positive attitude is an example of _____. A. Leadership B. Punctuality C. Taking initiative D. Teamwork

Leadership

When installing parts, that must be straight, plumb, or perfectly horizontal, use, a(n) _____. A. Adjustable wrench B. Level C. Single cut file D. Reciprocating saw

Level

The primary hazard and a confined space is ____. A. Limited airflow B. Noise C. Poor lighting D. Tight working space

Limited airflow

When striking parts to drive them into place, or to separate them, without damaging their surfaces, use a ____. A. Cold Chisel B. Screwdriver C. Claw hammer D. Mallet

Mallet

Copper water tubing is specified by ____ size. A. Wrought B. Schedule C. Street D. Nominal

Nominal

When positioning, an extension ladder, the base can be no farther from the wall then _____ the supported height. A. One-eight B. One-quarter C. One-third D. One-half

One-quarter of

When connecting plastic pipe using solvent welding, insert the pipe into the fitting and rotate the pipe ____\. A. Two times completely B. One-quarter turn C. One time completely D. Not at all

One-quarter turn

The torch and equipment that is capable of brazing joints most quickly is _____, which burns with a maximum temperature of 6000'F (3000'C) A. Oxyacetylene B. Butane C. Propane D. Mapp

Oxyacetylene

A_____ wrench is used to grip and turn cylindrical surfaces A. Pipe B. Socket C. Box end D. Flare nut

Pipe

When using a torch near combustible material, always _____. A. Place a heat shield between the torch, flame and the materials B. Reduce the temperature of the flame C. Remove all combustible material D. Use a joint method that does not require a torch

Place a heat shield between the torch, flame and the materials

When referring to the correct usage of a fire extinguisher, the letters, P.a.s.S. stand for_____. A. Point, aim, shoot, and save B. Point, air, safety, and squeeze. C. Pull, aim, squeeze, and sweep D. Pull, aim, sweep, and save.

Pull, aim, squeeze, and sweep

Most tubing cutters have a ____, which can be used to remove burrs from cut tubing. A. Hacksaw B. Yoke C. Reamer D. Mitter box

Reamer

When cutting holes for air registers and vents, it is best to use a(n) A. Hammer drill B. Impact driver C. Power screwdriver D. Reciprocating saw

Reciprocating saw

OSHA'S hazard communication standard (HCS) requires manufacturers and distributors to provide ____ for the chemicals they supply. A. General health sheets (GHS) B. Safe use instructions (SUI) C. Safety damage steps (SDS) D. Safety data sheets (SDS)

Safety, data sheets (SDS)

Heat-related illness may produce the following signs except ____. A. Dizziness B. Headache C. Shivering D. Weakness

Shivering

Most brazing alloys used in refrigeration work contain the element ____. A. Beryllium B. Lead C. Cadmium D. Silver

Silver

Pliers that are size adjustable are ____ pliers. A. Diagonal B. Lineman's C. Slip joint D. Duck bill

Slip joint

Which of the following systems is not used to specify drill bit sizes? A. Fractional numbers B. Strike marks C. Letters D. Whole Numbers

Strike marks

Using an assembling compressors, the ____ wrench is used to prevent over, tightening the nut or bolt. A. Open end B. Torque C. Socket D. Pipe

Torque

A bending spring can be used both internally and externally on tubing. T or F

True

A blower door test may be performed as part of an energy audit. T or F

True

A flame torch can be used to help loosen a nut that is frozen on a bolt. T or F

True

A flint lighter should be used to light a torch. T or F

True

A multimeter can measure voltages, currents of a circuit. T or F

True

A tap drill should be slightly larger than the inside diameter of the threads for which the hole is being drilled. T or F

True

An entry level HVACR technician position may require a candidate to possess a certificate or associate degree. T or F

True

Asbestos insulation, which may be found in old installations, contains fibers that can cause cancer if inhaled. T or F

True

Hard-drawn copper tubing should not be bent. T or F

True

Metric tubing requires customary fitting. T or F

True

OSHA is the national law that covers workplace safety. T or F

True

Respirators require periodic flow testing. T or F

True

Safety glasses or other eye protection, should be worn one when performing any work

True

Service technicians will typically have to supply some of their own hand tools to perform HVACR repair. T or F

True

Socket wrenches have a ratcheting function that allows the handle to be repositioned without turning the fastener. T or F

True

Specifically formed V-threads made on a conical spiral are called taper pipe threads. T or F

True

Tagout is the practice of securing an electrical switch in an open position so a circuit cannot be energized while work is being performed. T or F

True

The number of available HVACR technician positions is expected to grow in the next five years. T or F

True

The process of soldering a joint may be referred to as sweating

True

When a fusible plug in a cylinder melts, all of the refrigerant is released from the cylinder. T or F

True

Working in hot temperatures can cause your body to overheat. T or F

True