单选题The follow-up gear on an electro-hydraulic steering gear（）Arelieves excessive fluid pressureBtakes the pump off stroke when the desired rudder angle is attainedCsynchronizes wheel position with the rudder positionDreturns the rudder to midposition when the wheel is released
单选题
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
参考解析
解析：
暂无解析
相关考题：
The_______in the steering gear move the rudder to the required angleA.control equipmentB.power unitC.transmission mechanismsD.fittings and pipeline
The follow-up gear on an electro-hydraulic steering gearA.relieves excessive fluid pressureB.takes the pump off stroke when the desired rudder angle is attainedC.allows for rudder movement faster than the movement of the shipsD.returns the rudder to amidships when the wheel is release
When steering by hand，which of the following may be a functional input to the steering gear as a result of turning the wheel ________．A.Non-follow-upB.Rudder adjustmentC.Weather adjustmentD.All the above may be activated
Dual electro-hydraulic steering units usually operate ______．A.With both pumps on line at the same timeB.With one pump on standbyC.With the follow-up gear disconnectedD.Only when the rudder is moved amidships
When the helm is turned on the navigation bridge，which of the listed actions will be the FIRST response in the steering room on a ship equipped with an electro-hydraulic steering gear ________．A.The pumps go to full strokeB.The six-way valve aligns itself with the running pumpC.Both port and starboard cables are energizedD.The synchronous receiver turns，duplicating the helm motion
单选题When the desired rudder angle is attained by a typical double mm electro-hydraulic steering gear,the（）.Aram relief valves bypass oil to stop rudder movementBsix-way valve shifts to the neutral flow positionCsteering pump electric motor is de - energized by the transfer switchDfollow-up gear takes the hydraulic pump off stroke
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Which of the following is NOT true according to the passage?（）ABoth the main steering gear and the auxiliary steering gear should be operatedBThe alarms fitted to the remote control system should be operatedCThe emergency generator compartment should be checkedDThe communication system between the bridge and the steering gear compartment should be operated
单选题The control rod of a steering gear pump is attached at its outer end to （）.Athe hunting gearBthe rudder stockCthe rudder controllerDthe feedback unit
单选题During steering gear test should be moved through its full travel in both directions（）ApumpBthe cylinderCthe hunting gearDthe rudder
单选题Dual electro-hydraulic steering units usually operate （）.Awith both pumps on line at the same timeBwith one pump on standbyCwith the follow-up gear disconnectedDonly when the rudder is moved amidships
单选题The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.AtransmitterBtele-motorChydraulic ramDhydraulic cylinder
单选题If a severe leak develops in the electro-hydraulic steering gear unit is necessary when（）ALoss of vessel steeringBOverheating of the gyrocompassCJamming of the six-way valeDJamming of the follow-up device
单选题In an electro-hydraulic steering gear system, when will the variable displacement pump be placed on stroke?（）AWhen the helm is at any angle other than amidshipsBWhen the six-way valve is openedCWhen the ram relief valves liftDWhen the redder angle is different from the position of the helm
单选题In （）the control action is independent on the output.Aa closed loop control systemBan open loop control systemCa boiler control systemDa steering gear
单选题The follow-up gear on an electro-hydraulic steering gear（）Arelieves excessive fluid pressureBtakes the pump off stroke when the desired rudder angle is attainedCsynchronizes wheel position with the rudder positionDreturns the rudder to midposition when the wheel is released
单选题The（） of the telemotor is mounted on the steering gear.AtransmitterBreceiverCpipesDcharging unit
单选题Ship’s steering gear refers to（）.Acargo handling machinesBdeck winches and derricksCengine-room toolsDcourse controlling system
单选题The （） in the steering gear system provides the force.Acontrol equipmentBpower unitCtransmission mechanismsDfittings and pipeline
单选题Which of the devices listed, when used on an electro-hydraulic steering gear, keeps the movement of the redder closely in step with the steering wheel?（）AThe follow-up gearBThe rudder angle indicatorCThe synchronous electric transmitterDA rudder angle limit switch
单选题As the designated rudder angle is being achieved, as a result of the original command input, the steering gear follow-up mechanism is（）Ain motion, providing a null inputBnot in motion, thus providing a null inputCin motion, providing an input to place the main pump on maximum strokeDin motion, providing an input to place the main pump at null stroke
单选题With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?（）AOnly one pump should be used at any timeBThe ship speed should be reduced to 70% of the normalCWatch keeping of the steering gear should be increasedDLimitations of the steering gear should be logged but the bridge need not be informed
单选题With reference to rules governing steering gear, which one of the following rules is incorrect? （）AIt is required that all ships are provided with two independent steering gear systems that is one main and one auxiliaryBThe auxiliary gear could be power operated in passenger shipsCThe auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speedDAll moving parts of the steering gear must be guarded against any possible damage
单选题When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is （）.Aset for maximum torqueBon the purge and vent strokeCin the neutral positionDrotating backwards
单选题In an electro-hydraulic steering gear, any change in relative position between the synchronous receiver and the follow-up gear will result in（）Athe pump going to full strokeBclosing of the six-way valveCdriving the rams up against the stopsDa corresponding slowing or increasing of the pumped flow rate
单选题On an electro-hydraulic steering gear, which of the listed devices will keep the rudder from over-traveling the bridge signal?（）ARudder angle indicatorBFollow-up gearCElectric transmitterDRudder angle limit switch
单选题When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.ANon-follow-upBRudder adjustmentCWeather adjustmentDAll the above may be activated