小型船舶的螺旋桨直径D＜1.5m时，螺旋桨和艉轴允许采用（）方式

【名词&注释】

环氧树脂(epoxy resin)、螺旋桨桨叶(propeller blades)、螺旋桨直径(diameter of a propeller)

[单选题]小型船舶的螺旋桨直径D＜1.5m时，螺旋桨和艉轴允许采用（）方式连接。

A. 有键环氧树脂
B. 无键环氧树脂
C. 机械连接
D. 油压套合连接

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学习资料：

[单选题]螺旋桨桨叶变形较大时可采用（）法进行校正。

A. 冷态校正
B. 热态校正
C. 机械校正
D. 加热-机械校正

[单选题]Dirty oil must be （） before being used again.

A. mixed with clean oil
B. purified
C. heated
D. strained

[单选题]It is well known that good lubrication will （） the bearings from becoming overheated.

A. present
B. prevent
C. avoid
D. provide

[单选题]The removal of （） from lubricating oil will reduce engine wear and possible breakdowns.

A. contaminating water
B. contaminated additives
C. contaminated fuel
D. contaminating impuritie

[单选题]Impurities in the fuel oil will affect the operation of the engine, which has （） the use of separator and some other devices.

A. brought about
B. caused for
C. resulted from
D. led

[单选题]The crankcase of many diesel engines are kept under a slight vacuum by the （）.

A. scavenging action of the piston
B. piston type vacuum pump taking suction off a differential manometer
C. gland exhausting manometer
D. crankcase exhaust fa

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