List four causes of liquid floodback.

What will be an ideal response?


Wrong TXV setting (low or no compressor superheat)

Overcharge

Evaporator fan not operating

Low load on evaporator

End of cycle (lowest load)

Defrost clock or heater not operating, causing an iced coil

Dirty or blocked evaporator coil

Capillary tube overfeeding

Capillary tube system overcharged

Loose TXV bulb on evaporator outlet

Oversized expansion valve

Flooding after hot gas termination

Heat pump changeover

Defrost termination

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Linear solenoids are used for ________.

A) Pressure control B) Shifting C) TCC D) All of the above, depending on application

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Do you agree that the political protests in the United States and in Western Europe were partly fueled by the baby boom population bulge and the economic affluence of the times? Would there have been rebellions in the United States and in Western Europe even if the Vietnam War had not occurred?

What will be an ideal response?

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Some vehicles have a "mini converter." Where is this component located?

A) Attached directly to the exhaust manifold B) Just upstream of the muffler C) Downstream of the main catalytic converter D) None of these

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Using the information from question 26, what charge adjustment needs to be made if the liquid line temperature is 110°F?

What will be an ideal response?

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