A.pressure
B.temperature
C.density
D.volume
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A.the saturation temperature is higher
B.the higher the saturation temperature
C.the higher is the saturation temperature
D.the saturation temperature is more high
A.liquid
B.steam
C.gas
D.electricity
A.did work
B.would work well
C.didnt work
D.wouldnt work
A.as well as
B.as long as
C.rather than
D.other than
A.the oil content in water
B.the water content in fuel oil
C.the water level in bilge well
D.the oil level in bilge well
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The usual symptoms of cavitation in a centrifugal pump is ().
If the head pressure of a reciprocating refrigeration compressor is excessive, ().
Pitting in the suction areas of a centrifugal pump bronze impeller is usually 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?()
Low compressor head pressure in a refrigeration system can be caused by().
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?()
The rate of heat transfer from a hot region to a cold region is affected most by the ().
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 ().
The control mode in which the final control element is moved from one of two flexed positions to the other is known as ().