A.Keeps the refrigerated space cooler
B.Reduces the efficiency of the plant
C.Takes the load off the compressor
D.Has no affect on the system
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A.proportional band
B.the error signal
C.the reset signal
D.feedback
A.Dehydrators must be used continuously in a refrigeration system
B.A 25 ton refrigeration system has the same cooling effect as melting 25 tons of ice in 24 hours
C.A thermostatic expansion valve is used to control refrigerated space temperature
D.The liquid receiver functions to collect and remove non- condensable gases
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最新試題
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by ().
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Which of the following statements is correct concerning heat transfer?()
The control mode in which the final control element is moved from one of two flexed positions to the other is known as ().