A governor automatically controls engine speed by regulating ___ .A.fuel supplyB.firing orderC.engine loadD.oil level
A governor automatically controls engine speed by regulating ___ .
A.fuel supply
B.firing order
C.engine load
D.oil level
相关考题：
If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will .A.have a larger than normal dead bandB.produce excessive speed response to a load changeC.respond slowly to any change in engine loadD.stabilize engine speed at the new governor setting
For most diesel propulsion and generator engines, the over-speed trip device will stop the engine byA.moving the governor control to stopB.shutting off the lubricating oil supplyC.tripping the governor emergency stop leverD.shutting off the fuel supply
In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the _____.A.governor droopB.speeder spring tensionC.fuel rack lagD.load on the engine
One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the_______.A.governor sensitivityB.exhaust temperatureC.fuel injection pressureD.speed of the cam shaft
A generator is prevented from becoming motorized by the use of a/an ______.A.over-speed tripB.reverse power relayC.back pressure tripD.governor controls
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When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.Due to the function of the governor, the main engine will（）Areduce fuel feedingBincrease fuel feedingCkeep original fuel feedingDbe overspeed
单选题If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will （）Ahave a larger than normal dead bandBproduce excessive speed response to a load changeCrespond slowly to any change in engine loadDstabilize engine speed at the new governor setting
单选题The purpose of the compensating adjustment used in a diesel engine hydraulic governor is to （）Acompensate for low oil levelBincrease governor promptnessCprevent governor huntingDlimit engine load
单选题For most diesel propulsion and generator engines, the over-speed trip device will stop the engine by （）Amoving the governor control to stopBshutting off the lubricating oil supplyCtripping the governor emergency stop leverDshutting off the fuel supply
单选题On most diesel engines, the governor controls the output speed by （）.Acontrolling the amount of fuel injected into the cylindersBvarying the speed of the turbochargerCadjusting the compression ratioDchanging the timing of the fuel injection camshaft
单选题The device used to limit engine torque at various engine speeds is called a （）Aspeed limiting governorBvariable speed governorCconstant speed governorDload limiting governor
单选题To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should （）.Aincrease the governor oil pressureBadjust the speed droop settingCadjust the speeder spring travelDadjust the compensating needle valve
单选题The governor of a generator engine is to （）.Amake the engine stopBregulate the timing of camshaftsCmake the rpm stabilize at any required valueDmake the engine run at nearly constant speed
单选题If a main propulsion diesel engine hunts excessively at idle speed, you should （）Aadjusts the idle speed controlBdrain and flushes the governor and replace the oilCadjusts the compensating needle valve
单选题Defective governor in a diesel engine may lead to （）.Asmoky exhaustBstarting failureCignition relayDover speed
单选题In conventional systems, the injection pressure（）, while it’s（）in common rail diesel engines.Afluctuates with the engine speed to some extent, independent of the engine speedBkeeps constant at all engine speed, dependent on the engine speed to some extentCkeeps constant at all engine speed, independent of the engine speedDis decided by the engine speed, constant at all engine speed
单选题A governor automatically controls engine speed by regulating （）.Afuel supplyBfiring orderCengine loadDoil level
单选题Increasing the load on an engine equipped with a constant speed mechanical governor, will cause the engine speed to initially （）.AincreaseBdecreaseCfluctuateDremain constant
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Friction developing between the moving parts of a governor, governor linkage and control valve will cause the governor to （）.Areact with insufficient speed droopBfail to react to small speed changesChave excessive sensitivity to small speed changesDremain in the neutral position
单选题Prior to starting most medium-speed propulsion diesel engines, which of the procedures listed should be observed?（）AThe expansion tank should be topped offBThe thermostatic water regulating valves should be manually openedCThe fuel filters should be changedDThe engine should be turned over slowly with the indicator cocks open
单选题The ability of the governor to prevent fluctuations in engine speed is termed （）.AsensitivityBstabilityCpromptnessDspeed droop
单选题On a diesel engine equipped with an isochronous governor, if the “speed droop” control is reduced to the “zero” setting, the engine （）Aspeed will drop drastically with any increase in loadBwill stop due to zero fuel supplyCwill stall upon application of loadDspeed will remain fairly constant despite load changes
单选题An electrically driven automatically operating auxiliary blower is provided for slow speed and （） of a low speed diesel engine.Amanoeuvring operationsBbad combustionCcoolingDmooring trial
单选题A device which functions to bring a diesel engine to a full stop to protect it from damage is known as a/an （）Atorque limiterBover-speed tripCover-speed governorDload limit governor
单选题The direct acting mechanical governor used with some small diesel engines, controls fuel flow to the engine by（）Agovernor flyweight action on a pilot valve which controls fuel injectionBgovernor flyweight motion acting on fuel controls through suitable linkageCpositioning a butterfly valve in the fuel delivery system positioningDa servomotor piston attached to the fuel controls