One of the main functions of wearing rings, as used in a centrifugal pump, is to （）. -题库考试答案搜索网

One of the main functions of wearing rings, as used in a centrifugal pump, is to （）.

单选题

2022-03-02 11:15

A、maintain radial alignment between the pump impeller and casing
B、absorb all impeller shaft end thrust
C、prevent water leakage to the atmosphere
D、prevent wear of the pump casing and/or impeller

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正确答案

D

试题解析

标签：船舶辅助机械

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