A.the flashing of the feed water
B.the condensation of the saltwater feed
C.air ejectors, eductors, or a separate vacuum pump
D.condensation of the distillate
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A.under heavy loads
B.during hot gas defrost
C.under light loads
D.during starting conditions
A.Excessive compression in the cylinder
B.A broken intake valve
C.A dirty inlet filter element
D.An improperly adjusted discharge valve
A.Constant tension mooring winch system
B.Hatch cover system
C.Watertight door system
D.Internal combustion engine hydraulic starter system
A.Carbon build up in the piston ring belt
B.Faulty operation of a cylinder un-loader
C.Compressor operation in an area of high relative humidity
D.Lifting of intercooler rebel valve
A.system was overcharged with refrigerant
B.system was low on refrigerant
C.suction valves were leaking slightly
D.relief valve was leaking slightly
最新試題
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
The general purpose of a heat exchanger is to （）.
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
One cause of high head pressure occurring in a refrigeration system can be （）.
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.
A salinity indicator is used to determine the （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
A grease gun is generally used to lubricate a （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
The major source of chemical contaminants in hydraulic fluid is （）.