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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 auxiliary
B
The auxiliary gear could be power operated in passenger ships
C
The auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speed
D
All moving parts of the steering gear must be guarded against any possible damage
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更多 “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” 相关考题
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A(71) is a data type whose major attributes are determined by the rules governing the insertion and deletion of its elements. The only element that can be deleted or removed is the one that was inserted most(72). Such a structure is said to have a last-in/first-out (LIFO) behavior, or protocol.A．stackB．queuesC．pointerD．record
考题
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?A.6 knotsB.7 knotsC.9 knotsD.12 knots
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
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
考题
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
考题
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
考题
Which one of the following studies the internal structure of words， and the rules by which words are ( ) formed？ A.Morphology
B.Syntax
C.Phonology
D.Semantics
考题
The discipline that studies the rules governing the formation of words into permissible sentences in languages is called s（）
考题
单选题A vessel constrained by her draught shall，when risk of collision with another vessel in a crossing or head-on situation exists，（）.A
apply the relevant Steering and Sailing Rules as a power-driven vesselB
apply the relevant Steering and Sailing Rules as a Sailing vesselC
apply the relevant Steering and Sailing Rules as a vessel not under commandD
apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation
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The steering and sailing rules for vessels in restricted visibility apply to vessels（）.A
in sight of one another in fogB
navigating in or near an area of restricted visibilityC
only if they are showing special purpose lightsD
only if they have operational radar
考题
单选题When the steering wheel is turned, oil is directed to the steering gear rams by（）A
modulating the oil flow with the six-way valveB
moving the automatic pressure differential valveC
moving the receiving telemotor which regulates the tow-way valveD
varying the eccentricity of a floating ting or angle of a tilting box
考题
单选题With reference to a rotary vane steering gear system, which one of the following statements is true?（）A
The three moving vanes and the three fixed vanes form three pressure chambersB
The three moving vanes and the three fixed vanes form six pressure chambersC
The three moving vanes and the three fixed vanes form nine pressure chambersD
The three moving vanes and the three fixed vanes form twelve pressure chambers
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
考题
单选题Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by （）.A
regulating the oil flow with the six-way valveB
moving the automatic differential valveC
moving the receiving tele-motor which regulates the two-way valveD
varying the angle of a tilting box or eccentricity of a floating ring
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?（）A
7 knotsB
10 knotsC
15 knotsD
20 knots
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The （） in the steering gear system provides the force.A
control equipmentB
power unitC
transmission mechanismsD
fittings and pipeline
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
填空题The discipline that studies the rules governing the formation of words into permissible sentences in languages is called s（）
考题
单选题When the engine room is put in standby condition, the engineer in charge of the watch need not to（）A
ensure all machinery which may be used during maneuvering is in readyB
ensure an adequate reserve of power is available for steering gear and other requirementsC
keep the main propulsion unit controls continuously attended when in the manual mode of operationD
ensure all machinery which may be used during maneuvering is running stably
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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