船舶动力装置题库2022往年考试试卷(2Z)

1. [单选题]Factor influencing the position of the interface between the liquid seal and the oil in a purifier is （）.

A. throughput
B. back pressure
C. gravity disc
D. None of the above is wrong

2. [单选题]The development of （） has kept pace with the increasing demands made by the steady rise in power produced by modem marine diesels.

A. water
B. fresh air
C. oils
D. gase

3. [单选题]The gas loads on the engine structure are constrained by means of hydraulically preloaded （） which connect the bed plate, frame sections and cylinder jackets into a single unit.

A. connecting rods
B. main bearing
C. column
D. tie rod

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