Question 1

A sling psychrometer ____.

Accepted Answer

A)   measures the dry-bulb and wet-bulb temperatures of air
B)   measures the air velocity through a duct
C)   uses a microprocessor to provide information for proper air balance
D)   measures the quantity of air, in cfm, flowing through a duct

Question 2

What is the major advantage of a clamp-on ammeter?

Accepted Answer

The advantage is the...

Question 3

A wiring and crimping tool is used to ____.

Accepted Answer

A)   crimp tubing
B)   cut and strip wire
C)   staple low voltage wire
D)   fasten insulation to duct

Question 4

A socket set is an integral part of a technician's tool box because ____.

Accepted Answer

A)   the extension allows easier access to nuts/bolts in tight locations
B)   the ratchet handle can loosen and tighten a nut or hex head bolt with minimal movement
C)   there are multiple sockets that can be interchanged easily to accommodate many different size nuts and bolts
D)   All of the above.

Question 5

A programmable charging scale measures the volume of refrigerant flow into a refrigeration system.

Accepted Answer

A) True 
 B)False  False

Question 6

Air conditioning and refrigeration reversible ratchet wrenches are used to ____.

Accepted Answer

A)   tighten hex head sheet metal screws
B)   tighten flare nuts
C)   open and close refrigerant service valves
D)   tighten nuts that cannot be reached with other wrenches C

Question 7

For what is a soldering gun usually used?

Accepted Answer

For solder...

Question 8

When required to drill holes on a roof that has no power supply, the best drill for the job would be a(n) ____________________.

Accepted Answer

battery op...

Question 9

Evacuating a system is accomplished with a(n) ____________________ and helps to remove air and non-condensable gases from a system.

Accepted Answer

The answer of Evacuating a system is accomplished with a(n)...

Question 10

The halide leak detector ____.

Accepted Answer

A)   detects nitrogen leaks in the refrigeration system
B)   is used to detect water leaks in a chilled water system
C)   detects refrigerant leaks in a refrigeration system
D)   detects air leaks in duct systems

Question 11

An instrument that can be used to determine the relative humidity of air is the ____________________.

Accepted Answer

The answer of An instrument that can be used to...

Question 12

Which of the following tools is different from the rest with respect to the shape of the nut or screw that it turns?

Accepted Answer

A)   Open end wrench.
B)   Combination wrench.
C)   Hex key.
D)   Adjustable wrench.

Question 13

Mercury bulb-controlled thermostats require that they are installed perfectly horizontal. The tool used to accomplish this is called a(n) ____________________.

Accepted Answer

The answer of Mercury bulb-controlled thermostats require that they are...

Question 14

Tube cutters are used to ____.

Accepted Answer

A)   cut insulation for tubing
B)   cut iron pipe used for natural gas or liquefied petroleum gas
C)   cut copper tubing
D)   cut sheet metal duct C

Question 15

The odd shape of the Torx type screw driver is the square shaft used to tighten or loosen set screws.

Accepted Answer

A) True 
 B)False

Question 16

A vacuum pump removes ____________________ and air from a refrigeration system.

Accepted Answer

non-conden...

Question 17

The dial-type meter used to measure the pressure in a heating unit flue pipe is called a(n) ____________________.

Accepted Answer

The answer of The dial-type meter used to measure the...

Question 18

The tool used to create internal threads is called a(n) ____________________.

Accepted Answer

The answer of The tool used to create internal threads...

Question 19

After brazing a joint in a very tight location, the technician would use a(n) ____________________ to determine if the joint is properly brazed.

Accepted Answer

The answer of After brazing a joint in a very...

Question 20

Flare nut wrenches are used to ____.

Accepted Answer

A)   tighten or loosen nuts on copper tubing
B)   open or close refrigerant service valves
C)   tighten nuts that cannot be reached with other wrenches
D)   remove hex head screws from refrigerator cabinets

Exam 5: Tools and Equipment

A sling psychrometer ____.

Correct AnswerverifiedShow Answer

What is the major advantage of a clamp-on ammeter?

Correct AnswerverifiedThe advantage is the...View AnswerShow Answer

A wiring and crimping tool is used to ____.

Correct AnswerverifiedShow Answer

A socket set is an integral part of a technician's tool box because ____.

Correct AnswerverifiedShow Answer

A programmable charging scale measures the volume of refrigerant flow into a refrigeration system.

Correct AnswerverifiedFalse

Air conditioning and refrigeration reversible ratchet wrenches are used to ____.

Correct AnswerverifiedC

For what is a soldering gun usually used?

Correct AnswerverifiedFor solder...View AnswerShow Answer

When required to drill holes on a roof that has no power supply, the best drill for the job would be a(n) ____________________.

Correct Answerverifiedbattery op...View AnswerShow Answer

Evacuating a system is accomplished with a(n) ____________________ and helps to remove air and non-condensable gases from a system.

Correct AnswerverifiedShow Answer

The halide leak detector ____.

Correct AnswerverifiedShow Answer

An instrument that can be used to determine the relative humidity of air is the ____________________.

Correct AnswerverifiedShow Answer

Which of the following tools is different from the rest with respect to the shape of the nut or screw that it turns?

Correct AnswerverifiedShow Answer

Mercury bulb-controlled thermostats require that they are installed perfectly horizontal. The tool used to accomplish this is called a(n) ____________________.

Correct AnswerverifiedShow Answer

Tube cutters are used to ____.

Correct AnswerverifiedC

The odd shape of the Torx type screw driver is the square shaft used to tighten or loosen set screws.

Correct AnswerverifiedShow Answer

A vacuum pump removes ____________________ and air from a refrigeration system.

Correct Answerverifiednon-conden...View AnswerShow Answer

The dial-type meter used to measure the pressure in a heating unit flue pipe is called a(n) ____________________.

Correct AnswerverifiedShow Answer

The tool used to create internal threads is called a(n) ____________________.

Correct AnswerverifiedShow Answer

After brazing a joint in a very tight location, the technician would use a(n) ____________________ to determine if the joint is properly brazed.

Correct AnswerverifiedShow Answer

Flare nut wrenches are used to ____.

Correct AnswerverifiedShow Answer

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The advantage is the...
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False

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C

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For solder...
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battery op...
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C

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non-conden...
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