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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶电气与船舶安全

单项选择题

If a severe leak develops in the electro-hydraulic steering gear unit is necessary when（）

A.Loss of vessel steering
B.Overheating of the gyrocompass
C.Jamming of the six-way vale
D.Jamming of the follow-up device

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单项选择题
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
单项选择题
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
单项选择题
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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