下面起不到纠偏作用的是（）A、STEERING ROLLB、DEFLETOR ROLLC、CPCD、SIDE GUARD
下面起不到纠偏作用的是（）
- A、STEERING ROLL
- B、DEFLETOR ROLL
- C、CPC
- D、SIDE GUARD
相关考题：
5类双绞线制作的交叉网线，下面哪一个图形描述的管脚对应关系正确()。A.交叉网线示例SIDE1SIDE 21234567812345678B.交叉网线示例SIDE1SIDE 21234567812345678C.交叉网线示例SIDE1SIDE 21234567812345678
关于状态转移transition，下面说法错误的是（）A、描述一个状态转移应包含： Trigger、Guard、EffectB、当Trigger发生，且Guard条件满足时，在执行Effect之后，将发生状态转移C、当Trigger发生，不论Guard条件是否满足，在执行Effect之后，将发生状态转移D、当Trigger发生，如果Guard条件不满足，就不执行Effect，也不会发生状态转移
单选题When the helm demands a 20°right rudder movement from an electro-hydraulic steering gear, which of the listed actions will be the FIRST action to happen when this rudder position is attained?（）AThe six-way valve opensBThe steering service pump motor is stoppedCThe follow-up gear takes the pump off strokeDThe cylinder relief valves bypass oil to the suction side the pump
单选题The hand steering is a method by which the motion of the rudder is controlled with （）.Aa motor-driven steering wheelBa pneumatic steering wheelCa hand-driven steering wheelDan electric steering wheel
单选题According to the way the steering gear is operated, the steering gear may be divided into: hand - steering, （） and automatic steering.Ahydraulic steeringBfollow-up steeringCremote control steeringDair controlled steering
单选题When steering a tow downstream around the shape of a sand bar，and staying on the proper side of the buoys，an operator should be cautious of（）.Aeddies under the barBswift current under the bar causing loss of controlCcross-currents pushing the tow away from the barDcross-currents pushing the tow into the bar
单选题Chain suspension ladders on a ship must be replaced by fixed ladders if the required chain suspension ladder（）.Ahas been sent in for repairBcannot be supported against a vertical flat surfaceCdoes not extend to the water when the ship lists 15 degreesDis not equipped with vertical guard rails on either side
单选题The auxiliary steering gear must be capable of being brought speedily into operation and be able to put the rudder over from 15 degrees on one side to 15 degrees on the other side in no more than （） with the ship at its deepest service draught and running ahead at the greater of one half of the maximum service speed or （）.A28 seconds；7 knotsB28 seconds；14 knotsC60 seconds；7 knotsD60 seconds；14 knots
单选题The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no （）.Amore than 28 secondsBmore than 60 secondsCless than 28 secondsDless than 60 seconds
单选题The power and torque capability of the steering system must be such that the rudder can be swung from （）one side to（）the other side with the ship at maximum speed.A35°；35°B35°；30°C15°；15°D28°；60°