【名词&注释】
气象条件(meteorological condition)、动力装置(power plant)、燃油消耗量(fuel consumption)、十字头(crosshead)、消耗量指标(indication of consumption)、气缸中心线
[单选题]If there is water in fuel oil, the revolution of the engine will ().
A. decrease
B. increase
C. be dismantled
D. be reassembled
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学习资料:
[单选题]船舶每海里燃油消耗量指标(indication of consumption)考虑了()。Ⅰ.动力装置本身的性能;Ⅱ.船舶的航行性能
A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ十Ⅱ都对
D. Ⅰ,Ⅱ都不对
[单选题]在进行活塞运动部件校中时,必须测量()。
A. 曲轴的臂距差
B. 滑块与导板的间隙
C. 连杆大小端轴承的径向间隙
D. 导板平面与气缸中心线的平行度
[单选题]换新十字头轴瓦时,十字头销与轴承下瓦在()内的接触面积不少于()。
A. 40°~60°/75%
B. 40°~60°/85%
C. 60°~90°/75%
D. 60°~90°/85%
[单选题]在下述哪种情况下主机应备车()。Ⅰ.过运河;Ⅱ.主要设备发生故障;Ⅲ.特殊水域;Ⅳ.特殊气象条件;Ⅴ.人员有伤亡
A. Ⅰ+Ⅱ+Ⅲ+Ⅴ
B. Ⅰ+Ⅲ+Ⅳ+Ⅴ
C. Ⅰ+Ⅲ+Ⅳ
D. Ⅰ+Ⅱ+Ⅲ+Ⅳ
[单选题]The injector pump is operated by a cam which drives the () up and down.
A. piston
B. drum
C. plunger
D. barrel
[单选题]The water in an operating auxiliary boiler should be tested for alkalinity and chloride content each().
A. hour
B. day
C. week
D. month
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