题目内容

You are attempting to parallel two AC generators and the synchroscope pointer is revolving

A. higher than the bus frequency
B. lower than the bus frequency
C. file same as file bus frequency but out of phase with it
D. the same as the bus frequency, and the circuit breaker may be closed at nay pointer position

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如果美联储卖出政府有价证券,其他利率会________,同时汇率会________。

A. 上升;上升
B. 不变;上升
C. 下降;下降
D. 上升;不变
E. 上升;下降

活塞顶面因积炭严重而过热,将导致_______

A. 烧蚀
B. 裂纹
C. 局部过热
D. 腐蚀

()旅客只有在符合承运人规定的条件下经承运人预先同意并在必要时作出安排后方予载运。

A. 副总理以上的重要旅客
B. 精神病患者
C. 外国贵宾
D. 病残旅客

STCW78/95 Convention states that the officer in charge of the engineering watch is the representative

A. ship-owner's
B. master's
C. chief engineer's
D. manager's

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