螺旋桨静平衡试验后各桨叶应能达到（）。

【名词&注释】

可靠性(reliability)、环境温度(ambient temperature)、不平衡(unbalance)、集装箱船(container ship)、散货船(bulk carrier)、静平衡试验(static balance test)、螺旋桨桨叶(propeller blades)、符合要求(meet the requirement)、螺旋桨静平衡、随遇平衡(indifferent equilibrium)

[单选题]螺旋桨静平衡试验后各桨叶应能达到（）。

A. 不平衡的重量小于许用值
B. 随遇平衡^{(indifferent equilibrium)}
C. 重心与回转中心之距符合要求^{(meet the requirement)}
D. 无振动

查看答案&解析 查看所有试题

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]单轴系大多用于（）。Ⅰ.客船；Ⅱ.油船；Ⅲ.集装箱船；Ⅳ.军舰；Ⅴ.散货船。

A. Ⅱ＋Ⅲ
B. Ⅰ＋Ⅱ＋Ⅴ
C. Ⅱ＋Ⅲ＋Ⅳ
D. Ⅱ＋Ⅲ＋Ⅴ

[单选题]赛龙艉轴承材料的性能优于（）和（）。

A. 白合金/尼龙
B. 铁梨木/尼龙
C. 尼龙/橡胶
D. 白合金/铁梨木

[单选题]螺旋桨桨叶^{(propeller blades)}表面的缺陷主要有（）。Ⅰ.穴蚀和腐蚀；Ⅱ.裂纹；Ⅲ.断裂；Ⅳ.污损；Ⅴ.碰撞。

A. Ⅱ＋Ⅲ
B. Ⅰ＋Ⅱ＋Ⅳ＋Ⅴ
C. Ⅲ＋Ⅳ＋Ⅴ
D. Ⅰ＋Ⅱ＋Ⅲ＋Ⅳ

[单选题]To avoid scavenge fires occurring the engine timing and equipment maintenance （）.

A. should be correctly carried out
B. should correctly be taken place
C. should carded with care
D. must to carry out with great care

[单选题]（）, so they are widely used on board ship nowadays.

A. Diesel engines have more advantages in comparison with gasoline engines
B. Diesel engines have more advantages in comparison to gasoline engines
C. Gasoline engines have more advantages in comparison with diesel engines
D. Gasoline engines have more advantages in comparison to diesel engine

[单选题]If over a period of weeks the air-box pressure of a turbo-charged, diesel engine, operating at full load, appears to be dropping off, the cause can be （）.

A. open air-box drains
B. loss of cooling water to the diffuser
C. gradual fouling of the air filters
D. improperly timed exhaust valve

[单选题]Load control on a diesel engine is accomplished by （）.

A. regulating the speed of the turbocharger
B. rotating the fuel injector pump plunger
C. regulating the speed of the fuel oil transfer pump
D. changing engine timing

[单选题]Poor combustion in a diesel engine can be caused by （）.

A. high compression pressure
B. low intake air temperature
C. low exhaust pressure
D. high scavenge air pressure

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