A.Expansion valve
B.Condenser
C.Evaporator
D.Compressor
您可能感兴趣的试卷
你可能感兴趣的试题
A.The condenser and the expansion valve
B.The king valve and the solenoid valve
C.The compressor and the expansion valve
D.The condenser and the solenoid valve
A.temperature and pressure
B.humidity and temperature
C.pressure and vacuum
D.pressure and humidity
A.capacity of 0%
B.efficiency of 100%
C.internal slippage of 0%
D.shut off horsepower rating of 100%
A.series of baffles
B.crossover pipe
C.condensate separator
D.drain pump
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
A.sub-cooled liquid
B.high temperature liquid
C.oil saturated liquid
D.superheated vapor
最新试题
The control mode in which the final control element is moved from one of two flexed positions to the other is known as ().
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?()
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be ().
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should ().
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 ().
A grease gun is generally used to lubricate a ().
A salinity indicator is used to determine the ().
When the steering gear is in operation, you should ().
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by ().
The output volume of a positive fixed displacement pump can be changed only by ().