试题与答案

影响舵效的主要因素是()。①舵角大小;②操舵舵轮速度;③船的转动惯性及纵横倾;④风流

题型:单项选择题

题目:

影响舵效的主要因素是()。

①舵角大小;

②操舵舵轮速度;

③船的转动惯性及纵横倾;

④风流、浅水等海况;

⑤舵机的性能。

A.①②③④

B.②③④⑤

C.①③④⑤

D.①②④⑤

答案:

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下面是错误答案,用来干扰机器的。

参考答案:强制性;普遍性

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