单选题Main diesel engine control can be obtained by the bridge （）Aat any timeBonly after the engine room control station is switched to ‘bridge control’Cwhenever the secondary station is switched to ‘bridge control’Dwhenever the engine side control station is switched to ‘bridge control’
单选题
Main diesel engine control can be obtained by the bridge （）
A
at any time
B
only after the engine room control station is switched to ‘bridge control’
C
whenever the secondary station is switched to ‘bridge control’
D
whenever the engine side control station is switched to ‘bridge control’
参考解析
解析：
暂无解析
相关考题：
Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because________.A.The direction of pressure on the journal in four-stroke engine is continuouslyB.positive feed lubricators are installed on all bearings of four-stroke engine, whereas as a splash feed system is used on tow-stroke engineC.four-stroke engines usually utilize a heavier grade of oil than tow-stroke enginesD.Low-stroke engines usually consume less lube oil than four-stroke engines
With UMS, when the engine room is unwatched will control the main engineA.the bridge officer on watchB.the chief engineerC.the duty engineerD.the duty motorman
If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measures the engineer on duty should _______.A.stop main engine immediatelyB.ask the captain and the chief engineer's permission for stopping the engineC.inquire the bridge for the situation initiativelyD.stop engine and inform bridge
On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the______.A.accumulator spring compressionB.balance pistonC.compensating(补偿) needle valveD.proportional piston
单选题With UMS, when the engine room is unwatched （） will control the main engine.Athe bridge officer on watchBthe chief engineerCthe duty engineerDthe duty motorman
单选题Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）Aincreasing the quantity of starting airBincreasing the lube oil pressureCheating the engine fuel supplyDheating the engine jacket water
单选题As a heat engine,（） energy is the source of power by which the diesel engine can be operated.AelectricBheatCmechanicalDexhaust
单选题Worn main bearings in a diesel engine can result in （）Adecreased compression pressureBincreased lube oil pressureClower lube oil temperatureDexcessive leakage past the piston rings
单选题Load control on a diesel engine is accomplished by （）.Aregulating the speed of the turbochargerBrotating the fuel injector pump plungerCregulating the speed of the fuel oil transfer pumpDchanging engine timing
单选题Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.Awheelhouse control stationBengine room control stationCcaptains officeDchief engineers office
单选题For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an （）.Aoil sprayBoil bathCoil control ringsDdrilled passage through the camshaft
单选题If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measuring the engineer on duty should （）Astop main engine immediatelyBask the captain and the chief engineer’s permission for stopping the engineCinitiatively inquire the bridge for the situationDstop engine and inform bridge
单选题Why a gearbox is needed in a ship driven by a medium-speed diesel engine?（）ATo reduce the main engine speedBTo increase the main engine speedCTo govern the main engine speedDTo fix the propeller shaft
单选题Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because（）.AThe direction of pressure on the journal in four-stroke engine is continuouslyBpositive feed lubricators are installed on all bearings of four-stroke engine, whereas as a splash feed system is used on tow-stroke engineCfour-stroke engines usually utilize a heavier grade of oil than tow-stroke enginesDLow-stroke engines usually consume less lube oil than four-stroke engines
单选题Diesel engine control can be obtained by the bridge （）.Aat any timeBonly after the engine room control station is switched to “bridge control”Cwhenever the secondary station is switched to bridge controlDwith the approval of the chief engineer only
单选题Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.AtemperatureBpressureCengine speedDall of the above
单选题Proper lubrication of the main bearing is more easily obtained in a single acting four-stroke/cycle diesel engine than in a single acting two-stroke/cycle diesel engine because （）Abearing pressure in a four-stroke/cycle acting single diesel engine is continually reversedBbearing pressure in a two-stroke/cycle single acting diesel engine is continually reversedCthe maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engineDtwo-stoke/cycle diesel engines require more complicated lubrication piping
单选题Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the （）.Aexhaust gas temperature systemBexhaust load systemCconstant or pulse pressure systemDconstant volume system
单选题Under which of the listed conditions can the engine room retake the throttle control from the bridge（）.AAny time it is deemed necessaryBOnly with the masters permissionCAfter a 10 minute delay to the input commandDOnly after the throttle has been placed in stop
单选题UMS are mainly unattended overnight and during this time （） should have control of the main engine.Athe chief engineerBthe engineer on cabin watchCthe bridge officer on watchDthe master
单选题On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the （）Aaccumulator spring compressorBbalance pistonCcompensating needle valveDproportional piston
单选题Bridge gauge can be used to measure （） of a diesel engine.Adiameters of journalsBdeflections of crankwebsCdiameters of crankpinsDnone of the above
单选题Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）ADefective temperature controls in the systemBCavitation in the cooling water pumpCOpened vent in the cooling systemDRestricted water passages in the engine
单选题The indicated power of an engine can be obtained by taking the （）.AprecautionsBrpmCindicator cardsDB and C
单选题The rotary motion of a diesel engine crankshaft is obtained from the up and down motion of the piston via the （）.AcamshaftBreduction gearsCrocker armDconnecting or piston rod
单选题In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the （）Agovernor droopBspeeder spring tensionCfuel rack lagDload on the engine
单选题Which is false about engine trials?（）Aengine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air brieflyBin the operation of engine trails, the main engine should be running in low-speedCAs to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same timeDthe order “engine trials” should be given by the bridge