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單項(xiàng)選擇題

A power failure in the hydraulic system of a compact type steering gear would cause the rudder to（）

A.swing 35°right or left
B.remain locked in its last position
C.move to the mid-ship position automatically
D.jam against the rudder emergency stops

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單項(xiàng)選擇題

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 knots

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

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