Which of the following components functions to control the compressor effective cycles?

A. treadle valve
B. safety pop-off valve
C. inversion valve
D. governor


Answer: D

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A packaged air-conditioning unit is manufactured in one piece with all components including the thermostat.

Answer the following statement true (T) or false (F)

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The contacts of a contactor make a complete circuit when the contactor is ____________________, allowing voltage to flow to the controlled load.

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

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The output of a J-K flip-flop is always LOW. The most likely cause is ________

A) the PRE input is stuck LOW B) the J input is stuck LOW C) the CLR input is stuck LOW D) the K input is stuck LOW

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While diagnosing the problems that can be caused by worn tie-rod ends: Technician A says that they can cause scalloped and scuffed tires. Technician B says that they can cause the vehicle to pull to one side. Who is correct?

A. Tech A B. Tech B C. Both D. Neither

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