“Stand by an engine” means
A. “prepare to stop the engine”
B. “assemble an engine on its bedplate”
C. “make an engine ready for starting”
D. “make an engine run steadily”
查看答案
The purpose of engine stand-by is that __________.
A. the main engine in the stand-by condition
B. auxiliary machinery in the stand-by condition
C. dynamical equipment in the stand-by condition could be used immediately
D. A and B
We should not start the engine unless turning gear is __________.
A. on
B. disengaged
C. bolted
D. unscrewed
Before “standby” is rung on the engine telegraph, it is usual to give the main engine __________ ahead and astern.
A. a brief trial with turning gear
B. a brief trial on power
C. a long trial by steering gear
D. a long trial on air
回归年等于()朔望月的长度
A. 11
B. 12
C. 12.3683
D. 13.3683
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