单项选择题
A.Loss of vessel steering B.Overheating of the gyrocompass C.Jamming of the six-way vale D.Jamming of the follow-up device
A power failure in the hydraulic system of a compact ty...
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
According to Regulations, a power driven auxiliary stee...
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