A.Constant tension mooring winch system
B.Hatch cover system
C.Watertight door system
D.Internal combustion engine hydraulic starter system
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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
A.broken inlet valves
B.broken discharge valves
C.pulsations in the air distribution system
D.overloading of the air distribution system
A.warping head
B.fairlead
C.wildcat
D.capstan
A.system was overcharged with refrigerant
B.high pressure switch was improperly adjusted
C.expansion valve strainers were fouled
D.suction valves were leaking slightly
最新試題
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
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?（）
Thermostatic expansion valves can be adjusted for （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
A salinity indicator is used to determine the （）.
A grease gun is generally used to lubricate a （）.
The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its （）.
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.