【名词&注释】
增压器(turbocharger)、故障率(failure rate)、中心线(center line)、喷油泵(fuel injection pump)、同时发生(simultaneity)、不可靠度(unreliability)
[单选题]在检查和调整主机回油阀调节式喷油泵的供油量均匀性时,应将主机的燃油手柄置于()位置。
A. 标定供油位置
B. 停车位置
C. 任意位置
D. 起动主机时的供油位置
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学习资料:
[单选题]在并联连接系统中,组成系统的全部部件同时发生(simultaneity)故障的概率称为()。
A. 系统的可靠度
B. 系统的不可靠度(unreliability)
C. 系统的故障率
D. 维修度
[单选题]可靠性着重研究的是()。
A. 一般故障
B. 恶性故障
C. 重大故障
D. 随机故障
[单选题]航行中,某船主机采用脉冲增压系统,主机功率较小,平均指示压力<0.5MPa,增压器发生严重故障时应对其采取()措施进行处理。
A. A.停止运转
B. B.一端锁住转子
C. C.锁住转子两端
D. D.拆除转子
[单选题]用拉线法检查舵系中心线的状态时所使用的钢丝直径一般()。
A. 不小于0.8mm
B. 不大于0.8mm
C. 不小于1.0mm
D. 不大于1.0mm
[单选题]如果发生增压器损坏,而柴油机又不允许停车,应采取的应急措施是()。
A. 锁住转子
B. 拆除转子
C. 带故障增压器短时运行
D. A+B
[单选题]The bed-plate is secured in the longitudinal direction by means of bolts known as ().
A. end-chock bolts
B. side-chock bolts
C. through bolts
D. tie rod
[单选题]The space between cylinder liner and jacket is called ().
A. the circulating tank
B. the scavenge box
C. the cooling water space
D. the cooler
[单选题]In a simple mechanical governor, the ().
A. centrifugal force rotates the ball-head
B. flyweight centrifugal force is balanced by spring force
C. flyweight centrifugal force is balanced by hydraulic pressure
D. speeder spring alone actuates the fuel control rod
[单选题]A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST ().
A. reduce the engine load
B. increase the cooling water flow
C. increase the lube oil pressure
D. adjust the fuel rack
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