The refrigerant gas returning to the compressor should be （）.

A、superheated

B、saturated

C、dense

D、flooded

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更多“The refrigerant gas returning to the compressor should be （）.”相关的问题

第1题

[单选题] The principal purpose of sub-cooling liquid refrigerant prior to its entering the expansion valve is to （）.

A、increase the refrigerating effect, by decreasing the amount of flash gas B、allow the refrigerant to enter the throttling device in a saturated condition C、increase the refrigerating effect by increasing the amount of flash gas D、minimize the temperature drop of the liquid as it passes through the solenoid valve to the outlet side

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第2题

[单选题] Under normal conditions, the refrigerant enters the compressor in an operating refrigeration system as a （）.

A、liquid B、dry saturated gas C、wet saturated gas D、superheated vapor

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第3题

[单选题] Saltwater is typically provided to a refrigeration system to （）.

A、cool the expansion valve B、prevent refrigerant superheating C、condense the refrigerant gas D、prevent motor overheating

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第4题

[] If a liquid sight flow indicator in a refrigeration system shows gas bubbles in motion passing inside of the glass, there is （）.

A、A.too much refrigerant in the system B、B.oil entrained in the refrigerant C、C.less than a full charge of refrigerant in the system D、D.ice crystals forming in the refrigerant

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第5题

[单选题] Hot gas defrosting uses the hot gas from （） to defrost the evaporator.

A、starting air bottles B、diesel engines C、boilers D、refrigeration compressors

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第6题

[单选题] The thermal expansion valve reacts directly to the （）

A、temperature in the space being cooled B、liquid refrigerant pressure at the solenoid valve C、pressure drop across the evaporator coils D、refrigerant gas superheat at the coil outlet

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第7题

[单选题] The thermal expansion valve reacts directly to the （）

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第8题

[单选题] In a compression refrigeration plant the hot, high pressure refrigerant gas is cooled by the sea water and becomes liquid in the （）.

A、compressor B、condenser C、throttle valve D、evaporator

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第9题

[单选题] In a compression refrigeration plant the refrigerant flows from the expansion valve and through the （） where it absorbs heat from the space being cooled and becomes a gas or vapor.

A、compressor B、condenser C、throttle valve D、evaporator

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