海船船员考试轮机部三管轮模拟题8(轮机英语)

Because of the close tolerances used in diesel engine fuel oil pumps, a worn plunger requires___________.

To counteract these undesirable effects cylinder oils usually contain additives formulated to impart a high degree of _____ and detergency.

When starting a reciprocating pump, the inlet valve should be ____.

Air conditioning is the process of treating air to control _____ its temperature, humidity, cleanliness and distribution to meet the comfort requirements of the occupants of the conditioned space.

Increasing the speed of a centrifugal pump will result in an increase in its capacity in its capacityAnother means of increasing the capacity pump is to increase the .

Misalignment of the drive shaft and propeller shaft flanges can be detected by using a dial indicator or ________.

A hot air start pipe indicates that there is _____.

The component of a refrigerating system in which the refrigerant vaporizes and absorbs heat is known as the _____.

To prevent the spread of fire by conduction, you should _____.

If cylinder liner wear is up to maximum limits the possibility of scavenge fires will not be materially reduced until the liners are ______.