According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?()

A . 6 knots B . 7 knots C . 9 knots D . 12 knot

时间:2022-09-19 19:06:44 所属题库:船舶电气与船舶安全题库

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