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

When the steering gear is in operation, you should ______.

A.check hydraulic oil levels every hour

B.check the rams for overheating

C.check for excessive oil leakage from rams

D.drain water from tele-motor cylinders each watch


相关考题:

Have you ever served the auxiliary engine to combustion heavy oil? What should be borne in mind when transferring oil; from heavy oil to light oil?

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

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

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

单选题When the desired rudder angle is attained by a typical double mm electro-hydraulic steering gear,the().Aram relief valves bypass oil to stop rudder movementBsix-way valve shifts to the neutral flow positionCsteering pump electric motor is de - energized by the transfer switchDfollow-up gear takes the hydraulic pump off stroke

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?()AThe six-way valve opensBThe steering service pump motor is stoppedCThe follow-up gear takes the pump off strokeDThe cylinder relief valves bypass oil to the suction side the pump

单选题The purging of air from an elector-hydraulic steering gear unit is necessary when()Achanging over to hand pump operationBengaging the trick wheelCthe system has been filled with new oilDthe rudder angle indicator does not match the helm position

单选题In the voyage, when carrying out abandon ship drill, should be test every time().Athe emergency lighting system for muster and abandon shipBair/oil emergency shut-downCM-Eemergency operationDmain/auxiliary steering gear changing

单选题Most hydraulic steering gears are fitted with relief valves which()Afunction when the rudder is amidshipsBrelieve excess whip pressure from the hydraulic oil systemCprotect the piping assembly from external rudder shockDrelieve excessive telemotor pressure

单选题When the steering wheel is turned, oil is directed to the steering gear rams by()Amodulating the oil flow with the six-way valveBmoving the automatic pressure differential valveCmoving the receiving telemotor which regulates the tow-way valveDvarying the eccentricity of a floating ting or angle of a tilting box

单选题Hydraulically, servo-operated, automatic, change over valves, utilized in a two ram hydraulic steering gear, serve to()Aallow an alternate main pump to start in the fully loaded condition thus developing immediate full torqueBprevent either main pump from being hydraulically motored when idle by cross pressure flowCprevent both units from operating simultaneously which could result in doubling the flow of oil and pressure leading to over pressurization of the systemDall of the above

单选题The function of the hydraulic telemotor transmitter used in an electro-hydraulic steering gear system is to ().Atransmit the rudder angle to the bridge indicatorBprevent the control linkage from striking the stops when hard overCautomatically purge all entrained air from the systemDsend hydraulic signals to the receiving unit

单选题If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should ().Aadd fluid that is the same color as the fluid in the reservoirBadd turbine oil because it is always a good substituteCadd any oil that has the same viscosity as the hydraulic fluidDcheck the winch manufacturers instruction book

单选题Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use().AChainBWire ropeCWebbingDAll of the above

单选题Which of the following is NOT true according to the passage?()ABoth the main steering gear and the auxiliary steering gear should be operatedBThe alarms fitted to the remote control system should be operatedCThe emergency generator compartment should be checkedDThe communication system between the bridge and the steering gear compartment should be operated

单选题When turning the engine with turning gear, you should keep the indicator cocks ().Aattached to the indicatorsBopenedCclosedDbroken

单选题In the voyage, when carrying out abandon ship drill () should be test every time.Athe emergency lighting system for muster and abandon shipBair oil emergency shut-downCME emergency operationDmain auxiliary steering gear changing

单选题Dual electro-hydraulic steering units usually operate ().Awith both pumps on line at the same timeBwith one pump on standbyCwith the follow-up gear disconnectedDonly when the rudder is moved amidships

单选题If a severe leak develops in the electro-hydraulic steering gear unit is necessary when()ALoss of vessel steeringBOverheating of the gyrocompassCJamming of the six-way valeDJamming of the follow-up device

单选题In an electro-hydraulic steering gear system, when will the variable displacement pump be placed on stroke?()AWhen the helm is at any angle other than amidshipsBWhen the six-way valve is openedCWhen the ram relief valves liftDWhen the redder angle is different from the position of the helm

单选题The follow-up gear on an electro-hydraulic steering gear()Arelieves excessive fluid pressureBtakes the pump off stroke when the desired rudder angle is attainedCsynchronizes wheel position with the rudder positionDreturns the rudder to midposition when the wheel is released

单选题When the steering gear is in operation, you should ().Acheck hydraulic oil levels every hourBcheck the rams for overheatingCcheck for excessive oil leakage from ramsDdrain water from telemotor cylinders each watch

单选题To guarantee that a reduction gear bearing is receiving proper oil supply, you should check the ()Alube oil temperature at the cooler outletBlube oil strainer magnets bearingClube oil temperatureDlube oil pressure to the bearing

单选题When sailing in cold zones, the() should be heated.Athe steering gear roomBthe fire fighting pipe lineCthe fuel oil tankDthe bath room

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?()AThe follow-up gearBThe rudder angle indicatorCThe synchronous electric transmitterDA rudder angle limit switch

单选题With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?()AOnly one pump should be used at any timeBThe ship speed should be reduced to 70% of the normalCWatch keeping of the steering gear should be increasedDLimitations of the steering gear should be logged but the bridge need not be informed

单选题When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is ().Aset for maximum torqueBon the purge and vent strokeCin the neutral positionDrotating backwards