正确答案: C

oil leakage

题目：A common trouble with the fuel pump plunger or fuel valve spindle is （）.

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]目前所用燃油的排气露点一般在（）℃范围.

120—140

[单选题]相同工作条件下，回油孔式喷油泵柱塞与回油阀式喷油泵柱塞相比，发生穴蚀的可能性（）。

前者大

[单选题]带有匙形键槽且根部有适当圆角的单螺旋桨轴或艉轴，其检验间隔期规定为（）。

4年

[单选题]消除螺旋桨鸣音的办法是改变随边0.4R以外的（）。

涡流引起的振动频率

[单选题]Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.

cylinder covers

[单选题]The period when both inlet valves and exhaust valves are open is referred to as （）.

valve overlap

[单选题]With the crank in position in the engine, some measurements can be taken by a special bridge gauge and （）.

a feeler gauge