一般（）为双舵双桨。

【名词&注释】

可靠性(reliability)、环境温度(ambient temperature)、开口销(split pin)

[单选题]一般（）为双舵双桨。

A. 远洋及近海商船
B. 客船和军舰
C. 内河中、小船舶
D. 远洋考察船

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学习资料：

[单选题]可靠性定义中所述及的“规定的条件”，包括（）。Ⅰ.环境温度、压力、湿度；Ⅱ.振动；Ⅲ.承受的负荷

A. Ⅰ+Ⅱ
B. Ⅱ+Ⅲ
C. Ⅰ+Ⅲ
D. Ⅰ+Ⅱ+Ⅲ

[单选题]在检修连杆大端轴承时，必须换新的是（）。

A. 螺栓和螺母
B. 轴承上瓦
C. 防松垫片或开口销
D. 调整垫片

[单选题]水润滑艉轴铜套过度磨损后光车修理时，铜套厚度应（）。

A. ≥0.01d＋2mm
B. ≥0.015d＋3.5mm
C. ≥0.02d＋5mm
D. ≥0.03d＋7.5mm

[单选题]“Stand by an engine” means （）

A. “prepare to stop the engine”
B. “assemble an engine on its bedplate”
C. “make an engine ready for starting”
D. “dismantle an engine&rdquo

[单选题]（） are mounted on and bolted to the bed-plate cross girders.

A. The crankshaft
B. The crankcase
C. The guide-ways
D. The frame

[单选题]A distance piece, known as a （） may be interposed between the rod and the bearing housing.

A. bearing shell
B. bearing liner
C. compression plate
D. lead wire

[单选题]Each cylinder has one starting valve which is usually opened by air pressure and closed by （）

A. nuts and bolts
B. new joints
C. spring force
D. sealing ring

[单选题]The piston moving up and down keeps the crankshaft （）.

A. to revolve
B. revolved
C. revolving
D. to be revolved

[单选题]To successfully reduce an excessively high diesel engine exhaust gas temperature, you should （）.

A. reduce the engine driven fuel pump outlet pressure
B. retard the fuel injector timing to reduce power
C. increase the fuel rack setting
D. reduce the load on the engine

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