單項選擇題

If the pump for a hydraulic anchor windlass is over heating, the cause may be （）.

A.increased pump speed
B.excessive pump discharge pressure
C.too low of a tilting box angle
D.low pump speed

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你可能感興趣的試題

Which of the problems listed represents the major difficulty encountered with thermal expansion valve operation?（）

A.Lube oil passing through the system
B.Moisture or foreign matter collecting at the valve seat and orifice
C.Variable spring tension caused by the changing temperature
D.Frost on the liquid line

單項選擇題

Broken valve strips in an operating low pressure, air compressor will cause （）.

A.an immediate crankcase explosion
B.oil contamination in the compressed air
C.a decrease in compressor capacity
D.no immediate loss of the compressed air capacity

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