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单选题
The purging of air from an elector-hydraulic steering gear unit is necessary when（）
A
changing over to hand pump operation
B
engaging the trick wheel
C
the system has been filled with new oil
D
the rudder angle indicator does not match the helm position
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考题
Motor-propelled lifeboats are required to be fitted with which of the following?______.A.Compartments for the storage of canned drinking waterB.Ballast tanks to prevent the boat from capsizingC.An air starter on the diesel engineD.Auxiliary mechanical propulsion ( Fleming gear )
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
When the steering gear is in operation, you should ______.A.check hydraulic oil levels every hourB.check the rams for overheatingC.check for excessive oil leakage from ramsD.drain water from tele-motor cylinders each watch
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
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Purging air from a hydraulic system is necessary when（）A
adding small amounts of oil to the systemB
the system has been overheatedC
the system has been drained and then filled with new oilD
the system has been idle for a long period of time
考题
单选题Which of the following may lead to the engine NOT to start on air?（）A
starting air pressure too highB
correct timing of starting air valvesC
three of the six starting valves stuckD
the turning gear disengaged
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According to the way the steering gear is operated, the steering gear may be divided into: hand - steering, （） and automatic steering.A
hydraulic steeringB
follow-up steeringC
remote control steeringD
air controlled steering
考题
单选题Which of the following is NOT true according to the passage?（）A
Both the main steering gear and the auxiliary steering gear should be operatedB
The alarms fitted to the remote control system should be operatedC
The emergency generator compartment should be checkedD
The communication system between the bridge and the steering gear compartment should be operated
考题
单选题Rudder motion is prevented from exceeding the movement of the steering wheel by the（）A
return springsB
six-way valveC
follow-up gearD
differential gear
考题
单选题Diesel engine air start valve timing is controlled by（）A
engine operating speedB
an air manifoldC
a hydraulic distributorD
individual cams and valve gear
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In an electro-hydraulic steering gear system, when will the variable displacement pump be placed on stroke?（）A
When the helm is at any angle other than amidshipsB
When the six-way valve is openedC
When the ram relief valves liftD
When the redder angle is different from the position of the helm
考题
单选题In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the（）A
exhaust manifoldB
valve bridgeC
pressure of the fresh air chargeD
valve adjusting gear
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The（） of the telemotor is mounted on the steering gear.A
transmitterB
receiverC
pipesD
charging unit
考题
单选题Ship’s steering gear refers to（）.A
cargo handling machinesB
deck winches and derricksC
engine-room toolsD
course controlling system
考题
单选题The （） in the steering gear system provides the force.A
control equipmentB
power unitC
transmission mechanismsD
fittings and pipeline
考题
单选题When the steering gear is in operation, you should （）.A
check hydraulic oil levels every hourB
check the rams for overheatingC
check for excessive oil leakage from ramsD
drain water from telemotor cylinders each watch
考题
单选题With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?（）A
Only one pump should be used at any timeB
The ship speed should be reduced to 70% of the normalC
Watch keeping of the steering gear should be increasedD
Limitations of the steering gear should be logged but the bridge need not be informed
考题
单选题With reference to rules governing steering gear, which one of the following rules is incorrect? （）A
It is required that all ships are provided with two independent steering gear systems that is one main and one auxiliaryB
The auxiliary gear could be power operated in passenger shipsC
The auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speedD
All moving parts of the steering gear must be guarded against any possible damage
考题
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 indicatorB
Follow-up gearC
Electric transmitterD
Rudder angle limit switch
考题
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 （）.A
more than 28 secondsB
more than 60 secondsC
less than 28 secondsD
less than 60 seconds
考题
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（）.A
Non-follow-upB
Rudder adjustmentC
Weather adjustmentD
All the above may be activated
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