单选题A supercharged diesel engine when compared to a similar naturally aspirated diesel engine, will develop an increase in （）Aignition lagBengine horsepowerClube oil system pressureDspecific fuel consumption
单选题
A supercharged diesel engine when compared to a similar naturally aspirated diesel engine, will develop an increase in （）
A
ignition lag
B
engine horsepower
C
lube oil system pressure
D
specific fuel consumption
参考解析
解析：
暂无解析
相关考题：
When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for workA.remains the sameB.is reducedC.is increasedD.is eliminated
The diesel engine is similar to the gasoline engine in that______.A.both of them are ignited by compressed airB.both of them are the forms of external combustion enginesC.both of them have spark plugsD.the power is developed by the piston in the cylinder
单选题A supercharged engine differs from an un-supercharged engine it operates at an increases pressure（）.Ain whichBon whichCat whichDin that
单选题A diesel engine is supercharged in order to（）Alower the no-load RPMsBprovide more air for combine with the fuelCincrease the no-load RPMsDprovide more fuel combine with the air
单选题The knock occurring when a cold diesel engine is started and continues while running at low speed, but stops when the engine reaches normal operating speed and temperature, is（）.Acaused by retarded injection timingBcaused by a mechanical defect in one cylinderCcaused by high fuel injection pressuresDnormal for these conditions
单选题The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）Apumping action of the pistonBpressure of the fuel chargeCvacuum developed in the manifoldDpressure of the fresh air charge
单选题When a diesel engine is operate at partial load, as compared to full load ,a decrease will occur in the average （）Aair quantity aspiratedBfuel injection pressureCcombustion pressure on the power strokeDcompression on the compression stroke
单选题When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）Astarting air pressureBscavenge air pressureCover-speed tripDbanjo oiler line
单选题When the general alarm is sounded continuously, the engine room personnel should （）.Aproceed to their man overboard stationsBstart the fire pumpCput on lifejackets and go to their abandon ship stationsDsecure the propulsion diesel engines and evacuate the engine room
单选题Trunk type diesel engine pistons are effectively cooled when heat is（）Aradiated through the engine blockBtransferred to water cooled cylinder wallsCconducted through the piston crownDtransferred to escaping exhaust gases
单选题The difference between a supercharged engine and an un-supercharged engine is that （）.Athe laterBthe latterCthe formerDthe farmer
单选题A diesel engine is similar to a gasoline engine except that the former has no （）.Across-headBcylinderCconnecting rodDspark plug
单选题The diesel engine is similar to the gasoline engine in that （）.Aboth of them are ignited by compressed airBboth of them are the forms of external combustion enginesCboth of them have spark plugsDthe power is developed by the piston in the cylinder
单选题In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）ABed plateBColumnCEntablatureDTie rod
单选题Which of the following statements is true regarding the installation of piston rings on two-stroke/cycle, diesel engines as compared to four-stroke/cycle, diesel engines?（）AIn a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greaterBSome provision must be made in a two-stroke/cycle engine to keep the rings from binding in the portsCNo gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engineDThe gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine
单选题Some diesel engines are supercharged with a （）Aslam chargerBturbochargerCfuel atomizerDfuel injector
单选题When used with reversing reduction gears, medium-speed diesel engines should be bolted to their foundations with fitted bolts at the drive end and clearance(loosely fitted) bolts in other locations √This is done to （）Amaintain alignment when the ship’s hull is working in heavy seasBensure engine vibrations correspond to the natural frequency of the hullCpermit the engine to expand away from the driven equipment as the engine heats up and expandsDmaintain engine thrust bearing clearances
单选题When a diesel engine compression pressure is checked, the indicator is connected to the （）Acylinder exhaust portsBinjection lineCcylinder indicator cockDbanjo oiler line
单选题When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be （）Aan obstruction in an cylinderBwater accumulation in some engine cylindersClow starting air pressureDlow scavenge air pressure
单选题In a diesel engine, when installing new piston rings it is important to check（） Ⅰ.ring gap clearance Ⅱ.side clearanceAⅠ onlyBⅡ onlyCboth Ⅰ and ⅡDneither Ⅰnor Ⅱ
单选题When installing rings on a diesel engine piston, you should check the ring（）Adiametrical tensionBgap clearanceCradial thicknessDface thickness
单选题When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will（）Alag behind the increased fuel supplied to the engineBenter the engine along with the increase in the fuelCenter the engine before the increased fuel supplyDleave the turbocharger as a negative pulse
单选题For a diesel engine, when the piston is at the （）, the clearance volume is the largest.ATDCBDTCCBDCDDBC
单选题Compared to a naturally aspirated diesel engine, a supercharged diesel engine has（）Aa cylinder air charge of higher pressureBincreased pumping lossesCless valve overlapDreduced blow-by
单选题When ship navigating in rough sea, the correct operation is （）Anavigating with a low diesel engine speedBnavigating with a stable diesel engine speedCincreasing the efficiency of propellerDincreasing fuel injection