【名词&注释】
环氧树脂(epoxy resin)、柴油机(diesel engine)、光学仪器、螺旋桨直径(diameter of a propeller)
[单选题]()柴油机活塞运动部件在船上安装前必须先进行车间平台复验其相互位置精度。
A. 船员自修的
B. 进厂检修的副
C. 新造或大修的主
D. 新造发电
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学习资料:
[单选题]轴系若按直线校中,采用的校中工艺方法是()。
A. 测法兰对上的偏中值
B. 光学仪器校中法
C. 拉线法
D. A或B
[单选题]沿海及内河的船舶,其螺旋桨直径(diameter of a propeller)D()m时,螺旋桨和艉轴允许采用有键环氧树脂连接。
A. A.<1.5
B. B.>1.5
C. C.<4.5
D. D.>4.5
[单选题]() is made of a boss with separated blades mounted into it.
A. A variable pitch propeller
B. A variable pitch nut
C. A fixed pitch parallel
D. A fixed pitch screw
[单选题]A crankshaft whose center of gravity coincides with its center line is said to be ().
A. dynamically balanced
B. statically balanced
C. counter balanced
D. resonantly balanced
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