你可能感興趣的試題

單項(xiàng)選擇題

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 knots

單項(xiàng)選擇題

The follow-up gear on an electro-hydraulic steering gear（）

A.relieves excessive fluid pressure
B.takes the pump off stroke when the desired rudder angle is attained
C.synchronizes wheel position with the rudder position
D.returns the rudder to midposition when the wheel is released

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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?（）

你可能感興趣的試題

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?（）

The follow-up gear on an electro-hydraulic steering gear（）