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
On an electro-hydraulic steering gear, which of the listed devices will keep the rudder from over-traveling the bridge signal?()
A
Rudder angle indicator
B
Follow-up gear
C
Electric transmitter
D
Rudder angle limit switch
参考解析
解析:
暂无解析
相关考题:
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
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 knotsB.7 knotsC.9 knotsD.12 knots
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
Which entry is NOT required in the Official Logbook?______A.Steering gear testsB.Position of the load line and freeboard upon sailingC.Commencemet and termination of cargo operationsD.Closure of hatches and sideports upon sailing
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
In an electro-hydraulic steering system, rudder movement is maitained in close synchronization with the steering wheel position by means of the ______.A.trick wheelB.follow-up controlC.six-way valveD.Rapson slide
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Which of the devices listed is installed on a diesel engine to isolate some of the crankshaft vibrations caused by rotational and reciprocating forces?()APlanetary gear setBTorsional vibration damperCFriction clutchDAir bladder clutch
单选题When the steering wheel is turned, oil is directed to the steering gear rams by()Amodulating the oil flow with the six-way valveBmoving the automatic pressure differential valveCmoving the receiving telemotor which regulates the tow-way valveDvarying the eccentricity of a floating ting or angle of a tilting box
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?()A6 knotsB7 knotsC9 knotsD12 knots
单选题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?()A7 knotsB10 knotsC15 knotsD20 knots
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In an electro-hydraulic steering system, under movement is maintained in close synchronization with the steering wheel position by means of the ().Atrick-wheelBfollow-up controlCsix-way valveDRapson slide
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If one hydraulic pump of an electro-hydraulic steering unit falls, the vessels steering can be initially and best maintained by using the ().Atrick wheelBaccumulatorCstandby pumpDtelemotor
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