题目内容

船舶倒车冲程与主机换向所需时间及倒车功率有关,在其他情况相同的情况下,()。

A. 主机换向所需时间越长,倒车功率越小,倒车冲程越大
B. 主机换向所需时间越长,倒车功率越大,倒车冲程越大
C. 主机换向所需时间越短,倒车功率越小,倒车冲程越大
D. 主机换向所需时间越短,倒车功率越大,倒车冲程越大

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船舶倒车冲程与水深、船舶污底程度有关,在其他情况相同的条件下,()。

A. 水深越大、船舶污底越严重,倒车冲程越大
B. 水深越大、船舶污底越轻微,倒车冲程越大
C. 水深越小、船舶污底越严重,倒车冲程越小
D. 水深越小、船舶污底越轻微,倒车冲程越小

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