正确答案: D
静平衡/螺距
题目:螺旋桨经修理后应进行()和()检验。
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学习资料的答案和解析:
[单选题]废气锅炉的排气流动阻力不能过大,因为二冲程低速柴油机增压器后的排气背压规定一般不宜超过()。
A,B,C均可
[单选题]在平台上用Ⅴ形铁支承活塞杆,检查活塞与活塞杆同轴度时,活塞转动一周,测得()径向跳动即为同轴度误差。
活塞外圆
[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]舵杆纵向裂纹应采用()修理。
焊补
[单选题]The design of () is similar to that of the main bearing.
the connecting rod large end bearing
[单选题]With VIT the start of injection may be () as the engine load is reduced within a certain range.
advanced
[单选题]The lube oil to lubricate the surfaces of the cylinder liners is spread over by the ().
sliding piston rings
[单选题]The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as ().
brake horsepower