A.the piston rod
B.the tiller arm
C.the connecting rod
D.the rudder
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A.fouled tubes in shell and tube condenser
B.too little or too warm condenser water
C.air or non-condensable gas in system
D.overcharge of refrigerant
A.The winch motor
B.The band brake
C.The winch barrel
D.The anchor capstan
A.The cable lifter
B.The hoisting motor
C.The topping wire
D.The life-raft
A.stays
B.winches
C.barrels
D.brakes
A.fire-tubes
B.furnaces
C.water drums
D.water wall tubes
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Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by ().
The major source of chemical contaminants in hydraulic fluid is ().
A salinity indicator is used to determine the ().
The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its ().
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?()
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is ().
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?()
If the suction pressure at the refrigeration compressor is below normal, the cause can be().
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by ().
If the head pressure of a reciprocating refrigeration compressor is excessive, ().