Any time an air conditioning system is opened it must have the __________ replaced before evacuating the system.

A. Orifice tube
B. Thermostatic expansion valve
C. Receiver drier
D. Compressor oil


Answer: C

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The simplest hand bending tool is the _____ bender.

a. spring b. compression lever tube c. manual conduit d. hickey

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The armature core is wrapped with many loops of heavy insulated copper wire called ____________________.

Fill in the blank(s) with the appropriate word(s).

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How can a magnetic field around an iron core be generated?

What will be an ideal response?

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With the soap bubble method of leak detection, 

A. larger leaks typically produce large bubbles B. smaller leaks typically produce small bubbles C. smaller leaks typically produce large bubbles D. small leaks produce no bubble at all

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