单选题If the pump for a hydraulic anchor windlass is overheating, the cause may be （）.Aexcessive drive motor speedBexcessive pump discharge pressureCtoo low of a tilting box angleDinsufficient drive motor speed
单选题
If the pump for a hydraulic anchor windlass is overheating, the cause may be （）.
A
excessive drive motor speed
B
excessive pump discharge pressure
C
too low of a tilting box angle
D
insufficient drive motor speed
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相关考题：
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
Overheating of the hydraulic fluid in an electro-hydraulic anchor windlass can result from a/an( ).A.overload on the pump motorB.low fluid level in the reservoirC.low fluid viscosity around the shaft sealD.high oil level in the sump
If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to preventA.failure of the hydraulic hoseB.excessive flow through the lineC.friction in other areas of the hydraulic systemD.overheating of the hydraulic fluid
The sprocket wheel in a windlass，used for heaving in the anchor，is called a ______.A.capstanB.dog wheelC.fairleadD.wildcat
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.Goggles
The item ______ is not the advantage of the hydraulic winch．A.less jerky startsB.less jerky stopsC.overheating worriesD.none of the overheating worries
The opening in the deck beneath the anchor windlass that leads to the chain locker is the ______．A.Hawse pipeB.Fall pipeC.Drop-pipeD.Spill pipe
If one hydraulic pump of an electro-hydraulic steering unit fails, the vessel’s steering can be initially and best maintained by using the ______.A.trick wheelB.accumulatorC.standby pumpD.Telemotor
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
单选题Overheating of a hydraulic system may be a result of （）.Achanging pump discharge pressure in response to normal load variationsBa high oil levelCincorrect fluid viscosityDcontinued slow re-circulation of the oil
单选题The part of the anchor windlass that engages the anchor chain for lifting is called the （）.Awarping headBfairleadCwildcatDcapstan
单选题When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.AA hard hatBA long sleeve shirtCGlovesDGoggles
单选题If a hydraulic pump is overheating, the cause may be （）.Aexcessive internal leakage in the pumpBlow discharge pressure and fluid flowCexcessive fluid level in the hydraulic reservoirDoperation of the pump at 100% efficiency
单选题When the order “Let go the anchor” is received ,you should （）.Arelease the brakeBhoist the anchor ballCturn the windlass over slowlyDA and B
单选题On an anchor windlass，the wheel over which the anchor chain passes is called a（）.Abrake compressor wheelBdevil's clawCwildcatDwinchhead
单选题When anchored，increasing the scope of the anchor chain normally serves to（）.Aprevent fouling of the anchorBdecrease swing of the vesselCprevent dragging of the anchorDreduce strain on the windlass
单选题Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by（）Apermanent loss of pump suctionBworn shaft sealsChigh level in the oil sumpDlow motor RPM
单选题The opening in the deck beneath the anchor windlass that leads to the chain locker is the（）.Ahawse pipeBfall pipeCdrop-pipeDspill pipe
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（）.Acause loss of hydraulic oil from the systemBresult in extreme damage to the pumpCcause damage to the pump ff not continually drained from the pump casingDresult in the system high side pressure to substantially drop off
单选题What is meant by veering the anchor chain? （）ABringing the anchor to short stayBHeaving in all the chainCLocking the windlass to prevent more chain from running outDPaying out more chain
单选题The sprocket wheel in a windlass，used for heaving in the anchor，is called a（）.AcapstanBdog wheelCfairleadDwildcat
单选题If the pump for a hydraulic anchor windlass is over heating, the cause may be （）.Aincreased pump speedBexcessive pump discharge pressureCtoo low of a tilting box angleDlow pump speed
单选题As for a hydraulic single action vane pump, the inner wall of the stator is usually of （） shape.AcircularBellipticalCrectangularDhexagon
单选题What is the principle behind dynamic braking as used on an anchor windlass?（）AElectrical loadingBMechanical distributionCCompressibility of airDMechanical friction
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If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.Aa low load on the unitBa clogged pump suction strainerCa blockage in the line between the pump and hydraulic motorDthe hydraulic motor turning too fast
单选题The item（）is not the advantage of the hydraulic winch．Aless jerky startsBless jerky stopsCoverheating worriesDnone of the overheating worries