A.motor overload would open
B.relief valve would open
C.pump would eventually overheat
D.motor would overheat
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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
A.change in the impeller diameter
B.square of the impeller radius
C.cube of the impeller diameter
D.impeller efficiency for large changes in its size
A.As pressure decreases, volume increases
B.As volume increases, pressure increases
C.As volume decreases, pressure decreases
D.As pressure increases, volume increases
A.readjust the relief valve
B.throttle the suction line
C.throttle the discharge valve
D.open the priming line
A.transmitter at the steering station and a receiver at the steering engine
B.reversible motor at the steering station geared to the steering pumps
C.small induction motor on the bridge which controls the redder through pulleys
D.variable displacement hydraulic pump driven by a reversible DC motor
A.Distiller air ejector cooling medium
B.Saltwater heater discharge
C.First-stage internal feed box
D.Second-stage internal feed box
A.condenser
B.vapor generator
C.accumulator
D.evaporator
最新试题
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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 ().
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An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by ().
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?()
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