【名词&注释】
水压试验(hydrostatic test)、柴油机动力装置(diesel power plant)、不允许(not allow)
[单选题]轴承密封装置防蚀衬套进行水压试验时()。
A. 允许渗漏
B. 不允许渗漏
C. 允许微渗
D. 不允许任何渗漏
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学习资料:
[单选题]水平装货的船舶,对机舱高度有一定要求,一般采用()柴油机动力装置。
A. 低速机
B. 中速机
C. 高速机
D. Z形传动
[单选题]转舵不准,舵角不正可能是()。
A. 舵杆折断
B. 舵叶进水
C. 舵杆变形
D. 舵承间隙过小
[单选题]The viscosity regulator controls the () of the fuel oil in order to provide the oil at the correct viscosity for combustion.
A. temperature
B. pumping rate
C. pressure
D. heat
[单选题]Waterside scale in a fire-tube boiler may cause ().
A. increased heat transfer
B. fireside erosion
C. high steam demand
D. overheated tube
[单选题]Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will ().
A. reduce engine horsepower output
B. aid in silencing the exhaust noise
C. increase the mean effective pressure
D. contribute to effective cylinder scavenging
[单选题]Please supply my vessel()120 tons of diesel oil.
A. for
B. with
C. to
D. o
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