十字头式柴油机应进行活塞运动部件与固定件（）校中。

【名词&注释】

增压器(turbocharger)、动平衡试验(dynamic balance test)、不可靠度(unreliability)

[单选题]十字头式柴油机应进行活塞运动部件与固定件（）校中。

A. A．横向
B. B．纵向
C. C．横向和纵向
D. D．规定要求的

查看答案&解析 查看所有试题

学习资料：

[单选题]如果某海区每年发生大风浪的概率Pw=0.25，某船每年经过该海区航行的概率Pv=0.1，该船航行不可靠度为F（t）=0.20，则该船在该海域遇险的概率P（）为。

A. 0.0045
B. 0.9955
C. 0.8520
D. 0.005

[单选题]消除增压器振动的方法首先应是（）。

A. 换新轴承
B. 动平衡试验
C. 更换叶片
D. 校中测量

[单选题]舵杆常见的失效形式中不包括（）。

A. 轴颈磨损
B. 表面腐蚀与裂纹
C. 变形
D. 折断

[单选题]A （）is the foundation of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.

A. Frame
B. Bedplate
C. Cylinder
D. Liner

[单选题]A governor automatically controls engine speed by regulating （）.

A. fuel supply
B. firing order
C. engine load
D. oil level

[单选题]For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through （）.

A. the cylinder cover
B. the bottom of bed-plate
C. the sump
D. the crankcase door

[单选题]Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?（）

A. Increased suction head pressure
B. Decreased feedwater temperature
C. Pump recirculating line being open too much
D. Excessive feedwater temperature

[单选题]Camshafts are usually driven by timing gears or （）.

A. push rods
B. chain drives
C. rocker arms
D. flywheel

本文链接：https://www.51bdks.net/show/j4doon.html