According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 20 knot service speed, must be capable of producing a rudder movement at which of the minimum speeds listed below?()

A . 7 knots B . 10 knots C . 15 knots D . 20 knot

时间:2022-09-22 18:08:48 所属题库:船舶电气与船舶安全题库

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