A.as well as
B.as long as
C.rather than
D.other than
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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
A.whenever
B.however
C.wherever
D.whether
A.negative displacement type
B.turbine type
C.positive displacement type
D.mixed-flow type
A.well ventilated
B.well clean
C.in good order
D.more room
A.lower
B.higher
C.the lower
D.the higher
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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 ().
One cause of high head pressure occurring in a refrigeration system can be ().
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?()
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?()
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is ().
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?()
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump ().
The control mode in which the final control element is moved from one of two flexed positions to the other is known as ().
If the head pressure of a reciprocating refrigeration compressor is excessive, ().
The usual symptoms of cavitation in a centrifugal pump is ().