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单选题
In the condenser, the hot, high pressure refrigerant gas is cooled by the sea water and becomes（）.
A
fresh water
B
vapor
C
mixture
D
liquid
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单选题If a large difference exists between the compressor discharge pressure and the pressure corresponding to the existing condensing temperature in a refrigeration system, you should（）.A
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单选题In the condenser, the hot, high pressure refrigerant gas is cooled by the sea water and becomes（）.A
fresh waterB
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单选题If a refrigeration compressor is short cycling on high head pressure, you should （）.A
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单选题When the relief valve opens it discharges high pressure refrigerant vapor to the （）.A
liquid strainerB
refrigerant inlet of the condenserC
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a leak in the evaporator coilsD
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单选题If the head pressure of a reciprocating refrigeration compressor is excessive, （）.A
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单选题If the head pressure is too high,（）A
the relief valve should open before the high-pressure cutoutB
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考题
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liquid refrigerant pressure at the solenoid valveC
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单选题In a refrigeration system, which of the following statements describes the actions occurring when a solenoid valves, used in conjunction with an unloader head is energized?（）A
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考题
单选题Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?（）A
The condenser and the expansion valveB
The king valve and the solenoid valveC
The compressor and the expansion valveD
The condenser and the solenoid valve
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