网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
In an elector-hydraulic steering system, rudder shock is limited by（）
A
a differential gear
B
return springs
C
a hydraulic accumulator
D
relief valves
参考答案
参考解析
解析：
暂无解析
更多 “单选题In an elector-hydraulic steering system, rudder shock is limited by（）A a differential gearB return springsC a hydraulic accumulatorD relief valves” 相关考题
考题
We use ________ when proceeding in dense fogA.auto-steeringB.gyro-pilotC.rudder gearD.hand-steering
考题
The “rudder adjustment” control on an autopilot steering stand is used to ______.A.align the rudder angle indicator with the true rudder angleB.set the number of degrees of rudder per degree of course errorC.set the departure from base course before actuating the rudderD.set the rate at which the rudder responds
考题
While inspecting the steering system at sea, you should check forA.air bubbles in the sight glassB.any leaks in the systemC.over-travel in the rudder angle indicatorD.lost motion in the rams
考题
The_______in the steering gear move the rudder to the required angleA.control equipmentB.power unitC.transmission mechanismsD.fittings and pipeline
考题
Air trapped in the hydraulic fluid of a steering system may be indicated byA.the steering pumps overspeedingB.a jammed open relief valveC.a constantly occurring improper rudder responseD.excessive ram pressure
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
考题
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
考题
What should be used to steer an open lifeboat if the rudder becomes lost or damaged ________．A.Sea anchorB.Steering oarC.Spare rudderD.Daggerboard
考题
单选题The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.A
a test from the alternative power supply，if installedB
timing the movement of the rudder from hard over to hard overC
verification that the rudder angle indicator shows the actual position of the rudder(s)D
visual inspection of the steering linkage
考题
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?（）A
The six-way valve opensB
The steering service pump motor is stoppedC
The follow-up gear takes the pump off strokeD
The cylinder relief valves bypass oil to the suction side the pump
考题
单选题Air trapped in the hydraulic fluid of a steering system would be indicated by（）A
an improper rudder responseB
hammering noises in the equipment or transmission linesC
popping or sputtering noisesD
all the above
考题
单选题The purging of air from an elector-hydraulic steering gear unit is necessary when（）A
changing over to hand pump operationB
engaging the trick wheelC
the system has been filled with new oilD
the rudder angle indicator does not match the helm position
考题
单选题Most hydraulic steering gears are fitted with relief valves which（）A
function when the rudder is amidshipsB
relieve excess whip pressure from the hydraulic oil systemC
protect the piping assembly from external rudder shockD
relieve excessive telemotor pressure
考题
单选题The in the steering gear move the rudder to the required angel（）A
control equipmentB
power unitC
transmission mechanismsD
fittings and pipeline
考题
单选题The function of the hydraulic telemotor transmitter used in an electro-hydraulic steering gear system is to （）.A
transmit the rudder angle to the bridge indicatorB
prevent the control linkage from striking the stops when hard overC
automatically purge all entrained air from the systemD
send hydraulic signals to the receiving unit
考题
单选题Air trapped in the hydraulic fluid of a steering system may be indicated by（）A
the steering pumps overspeedingB
a jammed open relief valeC
a constantly occurring improper rudder responseD
excessive ram pressure
考题
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.A
35°；35°B
35°；30°C
15°；15°D
28°；60°
考题
单选题The control rod of a steering gear pump is attached at its outer end to （）.A
the hunting gearB
the rudder stockC
the rudder controllerD
the feedback unit
考题
单选题During steering gear test should be moved through its full travel in both directions（）A
pumpB
the cylinderC
the hunting gearD
the rudder
考题
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.A
transmitterB
tele-motorC
hydraulic ramD
hydraulic cylinder
考题
单选题If a heavy sea strikes the rudder, the shock is transmitted through the tiller to （）.A
the tiller armsB
the swivel blocksC
hunting gearsD
the rams
考题
单选题The follow-up gear on an electro-hydraulic steering gear（）A
relieves excessive fluid pressureB
takes the pump off stroke when the desired rudder angle is attainedC
synchronizes wheel position with the rudder positionD
returns the rudder to midposition when the wheel is released
考题
单选题Under normal operating conditions, the rudder is hydraulically locked unless （）.A
the manual trick wheel is engaged for steeringB
the variable stroke pump is off strokeC
a rudder order is given by the control systemD
an electric power system failure occurs at the steering gear
考题
单选题In an elector-hydraulic steering system, rudder shock is limited by（）A
a differential gearB
return springsC
a hydraulic accumulatorD
relief valves
考题
单选题A power failure in the hydraulic system of a compact type steering gear would cause the rudder to（）A
swing 35°right or leftB
remain locked in its last positionC
move to the mid-ship position automaticallyD
jam against the rudder emergency stops
考题
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?（）A
The follow-up gearB
The rudder angle indicatorC
The synchronous electric transmitterD
A rudder angle limit switch
考题
单选题While inspecting the steering system at sea, you should check for （）.A
air bubbles in the sight glassB
any leaks in the systemC
over-travel in the rudder angle indicatorD
lost motion in the rams
考题
单选题The hand steering is a method by which the motion of the rudder is controlled with （）.A
a motor-driven steering wheelB
a pneumatic steering wheelC
a hand-driven steering wheelD
an electric steering wheel
热门标签
最新试卷