[单选题]动力系统包括下列管路系统()。
正确答案 :D
A+B+C
[单选题]并联连接系统的不可靠度()系统中任一并联部件的不可靠度。
正确答案 :A
不高于
[单选题]增压器喘振的常见原因是()。
正确答案 :C
流道阻塞
[单选题]关于推进装置传动方式中,对间接传动的优点理解错误的是()。
正确答案 :C
传动效率高
[单选题]螺旋桨失去平衡的主要原因是()等,造成螺旋桨各个桨叶质量不均所致。Ⅰ.桨叶腐蚀或污损;Ⅱ.桨叶上有抗鸣边缘;Ⅲ.桨叶碰撞产生变形;Ⅳ.桨叶折断或丢失;Ⅴ.桨叶边缘穴蚀。
正确答案 :B
Ⅰ+Ⅳ+Ⅴ
[单选题]() is not properly set thus causing either advanced or retarded firing.
正确答案 :B
A fuel injection pump
[单选题]Diesel engines are started by supplying () into the cylinders in the appropriate sequence for the required direction.
正确答案 :C
compressed air
[单选题]In the () pressure charging system the pulse of energy that occur as the exhaust is released from the cylinder to improve the output of the turbocharger.
正确答案 :B
pulse
[单选题]The () chamber is enclosed between the cylinder head and piston.
正确答案 :D
combustio
[单选题]A thrust block is designed to().
正确答案 :D
transmit the thrust of the propeller to the vessel
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