正确答案: C

频率计算法

题目：实测迳流资料时，主要采用（）方法推算设计年迳流量。

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学习资料的答案和解析：

[单选题]对商船动力装置的基本要求是（）。

A+B+C

[单选题]按照说明书的规定，（）进行一次（）螺栓预紧力的检查。

一年/贯穿

[单选题]油润滑艉轴承的轴承材料一般选用（）。

巴氏合金

[单选题]A high temperature alarm or （） which will melt is used to guard against the explosion of compressor air pipelines.

a fusible plug

[单选题]Please draw out a 01 mm （） between the two halves of the bearing to reduce the clearance.

shim

[单选题]The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the （） caused by the friction at the bearings.

heat

[单选题]As to the bearing, of the following, which statement is not true?（）

Much heat of the crankcase door indicates that the bearing is overheated

[单选题]Before an auxiliary boiler is shutdown for an extended period of time, the water in the boiler should have a pH value of （）.

10

[单选题]Turbulence in a diesel engine cylinder is of major importance in providing （）.

complete fuel/air mixing