【名词&注释】
可靠性(reliability)、船舶动力装置(marine power plant)
[单选题]关于产品的维佟性,指出哪个是错误的表述()。
A. 维修度是维修性的定量定义,用M(t)表示
B. PM(T<t)为产品恢复到规定功能时间T不超过规定时间t的概率
C. 产品的维修度是表示产品进行维修的难易程度
D. 产品的维修度高,则降低了船舶动力装置的可靠性
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学习资料:
[单选题]某船在航行速度为16kn时的运动阻力为12O0kN,其船舶有效功率为()kW。
A. 1200
B. 9869
C. 16000
D. 19200
[单选题]Engage the flywheel with the ().
A. turning gear
B. motor
C. driving gear
D. driven gear
[单选题]Telescopic pipes to the piston of a large slow-speed main propulsion diesel engine are designed to prevent ().
A. excessive crankcase pressure
B. excessive lube oil temperature
C. contamination of the lube oil by water
D. contamination of the cooling water by lube oil
[单选题]A towing vessel’s capability is BEST measured by horsepower,bollard pull,maneuverability and().
A. displacement
B. stability
C. towrope pull
D. propeller desig
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