正确答案: A
L上-L下
题目:今测得某船主机曲轴臂距值,求在垂直平面上的臂距差Δ⊥=()。
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学习资料的答案和解析:
[单选题]换新主机的连杆大端轴瓦时,其上瓦与曲柄销颈在()内的接触面积不少于()。
60°~90°/75%
[单选题]今测得某船轴系的某对法兰偏中值为δ=0、φ≠0,该相邻轴轴心线呈()状态。
相交
[单选题]通过对轴系状态的检验发现,轴系的δmax、φmax不符合要求,这表明轴系的()不符合要求。
同轴度
[单选题]() is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.
An air distributor
[单选题]Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible ().
tolerance
[单选题]Blow-off of the relief valves of the main cylinders during operation indicates ().
the cams are not properly set
[单选题]In a typical fuel system, the oil is stored in () in the double bottom.
tanks