正确答案: A

0.7

题目：舵叶轴承孔与舵杆工作轴颈的同轴度偏差不得大于（）倍的舵承安装间隙。

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学习资料的答案和解析：

[单选题]Engine （） refers to the relative time of position of crank, at which each operation during the cycle is commenced and is completed.

timing

[单选题]The sequence of parts in a generally used fuel oil supply system for a main engine is （）(1)tanks in the double bottom(2)centrifuges(3)service tank(4)settling tank(5)viscosity regulator

(1)-(4)-(2)-(3)-(5)

[单选题]The （） can tell us how much heat we can get from the burning of an oil.

calorific value

[单选题]Fusible plugs are installed in fire-tube boilers to （）.

warn the engineer of low water level