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A gauge manifold used in refrigeration work may include ____.


A) compound gauge, high-pressure gauge, manifold, valves and hoses
B) either two or four valves
C) a four-way valve design using a shutoff valve for each hose
D) All of the above.

E) A) and D)
F) B) and D)

Correct Answer

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An instrument called a clamp-on ammeter is so called because the tongs can be clamped around a single wire.

A) True
B) False

Correct Answer

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The tool used to create pipe threads on the outside of a pipe is called a(n) ____________________.

Correct Answer

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What does a VOM meter measure?

Correct Answer

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It measure...

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A(n) ____________________ is used to measure the amount of CO2 in flue products.

Correct Answer

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carbon dio...

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A(n) ____________________ is used to measure the percentage of CO in flue products.

Correct Answer

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carbon mon...

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Match the cutting tool to the material on which it would best be used.

Premises
Stripper and crimping tool plastic
Tubing cutter
Utility knife
Tubing shear
Hacksaw
Responses
Plasterboard / fiberboard
Metal stock
Soft-drawn copper tubing
Copper wire
PVC pipe

Correct Answer

Stripper and crimping tool plastic
Tubing cutter
Utility knife
Tubing shear
Hacksaw

Variable speed reversible electric drills can be used to drill holes as well as tighten and loosen screws.

A) True
B) False

Correct Answer

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A clamp-on ammeter is designed to measure only alternating current.

A) True
B) False

Correct Answer

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A(n) ____________________ is used to measure the amount of O2 in flue products.

Correct Answer

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