A.series of baffles
B.crossover pipe
C.condensate separator
D.drain pump
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A.at the compressor discharge
B.at the compressor suction
C.in the expansion valve
D.in the receiver
A.Pressure-reducing valve
B.Unloading valve
C.Counterbalance valve
D.Pressure-relief valve
A.motor overload would open
B.relief valve would open
C.pump would eventually overheat
D.motor would overheat
A.Compound gage
B.Bonrdon tube
C.Manometer
D.Deadweight gage
A.cavitation
B.water hammer
C.fluid friction
D.steam knock
最新試題
A pressure drop through the refrigerant liquid line may cause （）.
The major source of chemical contaminants in hydraulic fluid is （）.
Which of the following statements is correct concerning heat transfer?（）
The general purpose of a heat exchanger is to （）.
The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its （）.
If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
Thermostatic expansion valves can be adjusted for （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
A salinity indicator is used to determine the （）.
The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）