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单选题
If the pump for a hydraulic anchor windlass is over heating, the cause may be ().
A
increased pump speed
B
excessive pump discharge pressure
C
too low of a tilting box angle
D
low pump speed
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On an anchor windlass,the wheel over which the anchor chain passes is called a______.A.brake compressor wheelB.devil's clawC.wildcatD.winch head
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单选题Air trapped in the hydraulic fluid of a steering system should be indicated by ().A
the pump over-speedingB
an improper rudder responseC
bubbles in the sight glassD
ram relief valves lifting
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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If the pump for a hydraulic anchor windlass is overheating, the cause may be ().A
excessive drive motor speedB
excessive pump discharge pressureC
too low of a tilting box angleD
insufficient drive motor speed
考题
单选题MOVING OF AN ANCHOR OVER THE SEA BOTTOM INVOLUNTARILY BECAUSE IT IS NO LONGER PREVENTING THE MOVEMENT OF THE VESSEL defines().A
Dredging (of anchor)B
Dragging (of anchor)C
Weighing anchorD
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考题
单选题The part of the anchor windlass that engages the anchor chain for lifting is called the ().A
warping headB
fairleadC
wildcatD
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单选题Hydraulically, servo-operated, automatic, change over valves, utilized in a two ram hydraulic steering gear, serve to()A
allow an alternate main pump to start in the fully loaded condition thus developing immediate full torqueB
prevent either main pump from being hydraulically motored when idle by cross pressure flowC
prevent both units from operating simultaneously which could result in doubling the flow of oil and pressure leading to over pressurization of the systemD
all of the above
考题
单选题Moving of an anchor over the sea bottom to control the movement of the vessel defines().A
dredging ( of anchor )B
dragging ( of anchor )C
weighing anchorD
walking out anchor
考题
单选题When dropping anchor,you are stationed at the windlass brake.The most important piece(s)of gear is(are)().A
A hard hatB
A long sleeve shirtC
GlovesD
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考题
单选题If a hydraulic pump is overheating, the cause may be ().A
excessive internal leakage in the pumpB
low discharge pressure and fluid flowC
excessive fluid level in the hydraulic reservoirD
operation of the pump at 100% efficiency
考题
单选题When the order “Let go the anchor” is received ,you should ().A
release the brakeB
hoist the anchor ballC
turn the windlass over slowlyD
A and B
考题
单选题On an anchor windlass,the wheel over which the anchor chain passes is called a().A
brake compressor wheelB
devil's clawC
wildcatD
winchhead
考题
单选题When anchored,increasing the scope of the anchor chain normally serves to().A
prevent fouling of the anchorB
decrease swing of the vesselC
prevent dragging of the anchorD
reduce strain on the windlass
考题
单选题Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by()A
permanent loss of pump suctionB
worn shaft sealsC
high level in the oil sumpD
low motor RPM
考题
单选题The opening in the deck beneath the anchor windlass that leads to the chain locker is the().A
hawse pipeB
fall pipeC
drop-pipeD
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单选题An axial piston, variable stroke pump is used in a vessels hydraulic steering gearUnder pressure, oil continually leaks out from between the valve plate/cylinder barrel and will().A
cause loss of hydraulic oil from the systemB
result in extreme damage to the pumpC
cause damage to the pump ff not continually drained from the pump casingD
result in the system high side pressure to substantially drop off
考题
单选题What is meant by veering the anchor chain? ()A
Bringing the anchor to short stayB
Heaving in all the chainC
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Paying out more chain
考题
单选题The sprocket wheel in a windlass,used for heaving in the anchor,is called a().A
capstanB
dog wheelC
fairleadD
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考题
单选题What is a spill pipe?()A
A drainage pipe that carries rain or spray from an upper deck to a lower deckB
A pipe under the anchor windlass leading to the chain lockerC
A chute,usually over the stern,to lead dumped garbage clear of the hullD
An opening in the deck leading outside the hull
考题
单选题If your vessel is dragging her anchor in a strong wind,you should().A
shorten the scope of anchor cableB
increase the scope of anchor cableC
put over the sea anchorD
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考题
单选题What is the principle behind dynamic braking as used on an anchor windlass?()A
Electrical loadingB
Mechanical distributionC
Compressibility of airD
Mechanical friction
考题
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trick wheelB
accumulatorC
standby pumpD
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单选题If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be ().A
a low load on the unitB
a clogged pump suction strainerC
a blockage in the line between the pump and hydraulic motorD
the hydraulic motor turning too fast
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