A.act as a pilot from the solenoid valve
B.regulate the amount of refrigerant flow to the coil
C.regulate the water flow
D.turn the compressor off and on
您可能感興趣的試卷
你可能感興趣的試題
A.solenoid valve
B.low pressure cutout switch
C.king valve
D.thermal expansion valve
A.relieve excessive compressor head pressure
B.produce flash gas at the expansion valve
C.reduce flooding of the receiver at low load
D.defrost the evaporator coils
A.suction pressure only
B.head pressure only
C.superheat only
D.suction pressure and box temperature
A.stores liquid refrigerant
B.collects non-condensable gases
C.allows refrigerant sub-cooling
D.prevents compressor surging
A.protect the compressor from liquid flood back
B.protect the compressor from low discharge pressure
C.start and stop the compressor upon system demand
D.start the compressor after a drop in the evaporator pressure
最新試題
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
() is not installed on the main switchboar.
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
The condensers located in various stages of a flash evaporator are cooled by()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The shipboard oil pollution emergency plan will be invalid after ()
Cold weather starting of a diesel engine may be made easier by()
The main purpose of port State control is not to()
Under MARPOL Code the ship to which it applies has to carry ()
The cetane rating of diesel fuel is an indication of the ()