A.dispose
B.dissolve
C.heat
D.dissipates
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A.Evaporation
B.Circulation
C.Condensation
D.Distillation
A.Hydraulic oil
B.Animal oil
C.Light oil
D.Fuel oil
A.Motors
B.Check valves
C.Safety valves
D.Reducing valve
A.cargo crane
B.jib
C.safe working load
D.oil pressure
A.dock
B.hold
C.pedestal
D.machinery space
最新試題
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
The usual symptoms of cavitation in a centrifugal pump is （）.
The output volume of a positive fixed displacement pump can be changed only by （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
A salinity indicator is used to determine the （）.
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?（）
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.