A.Pressure-reducing valve
B.Unloading valve
C.Counterbalance valve
D.Pressure-relief valve
您可能感興趣的試卷
你可能感興趣的試題
A.motor overload would open
B.relief valve would open
C.pump would eventually overheat
D.motor would overheat
A.Compound gage
B.Bonrdon tube
C.Manometer
D.Deadweight gage
A.cavitation
B.water hammer
C.fluid friction
D.steam knock
A.sub-cooled liquid
B.high temperature liquid
C.oil saturated liquid
D.superheated vapor
A.Reciprocating
B.Centrifugal
C.Rotary
D.Gear
最新試題
If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
Which of the following statements is correct concerning heat transfer?（）
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
Thermostatic expansion valves can be adjusted for （）.
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
The usual symptoms of cavitation in a centrifugal pump is （）.
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?（）