正确答案: A

一手抓住固定物

题目：拆装螺母时，不符合安全操作规程的是（）。

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学习资料的答案和解析：

[单选题]在船上测量曲轴臂距差时，以曲柄销位置为准记录臂距值时，应自（）开始测量。

曲柄销位于195°处

[单选题]（） should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.

The watch keeping personnel

[单选题]The total starting air capacity required for reversible main engines is to be sufficient for at least （）.

twelve consecutive start

[单选题]A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the （）.

crankshaft