A.temperature in the space being cooled
B.liquid refrigerant pressure at the solenoid valve
C.pressure drop across the evaporator coils
D.refrigerant gas superheat at the coil outlet
您可能感興趣的試卷
你可能感興趣的試題
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
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
最新試題
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
（） is not installed on the main switchboar.
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the following items don’t belong to dock repair works?（）
The condensers located in various stages of a flash evaporator are cooled by（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
Cold weather starting of a diesel engine may be made easier by（）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
The cetane rating of diesel fuel is an indication of the （）