单选题If the low level alarm of the diesel fuel day tank fails to function, you can expect trouble from（）Aoverheated injection pumpsBwater condensed in the cylindersCfuel dilution of the lube oilDair in the fuel system
单选题
If the low level alarm of the diesel fuel day tank fails to function, you can expect trouble from（）
A
overheated injection pumps
B
water condensed in the cylinders
C
fuel dilution of the lube oil
D
air in the fuel system
参考解析
解析：
暂无解析
相关考题：
In the following statements about the principle of the low level controlling, which is WRONG? 0 A.Low level is monitored on the drain tank and header tank.B.If there is high differential the filters pressure across the circulatingpumps is alarmedC.The lubricating oil purifier cannot take oil from the drain tankD.If the sea water pressure falls, this also operates an alarm
( )is monitored on the drain tank and header tank by magnetic switches with a 20seconds delay to prevent false alarms due to surging A.Low pressure of the lubricating oilB.Low level of the lubricating oilC.High temperature of the lubricating oilD.High temperature of the cooling water
The main propulsion diesel continues running after you try to shut down. You should now attempt to .A.stop the fuel oil booster pumpB.engage the jacking gearC.secure the lube oil pumpD.shut off the fuel at the settling tank
Low compression in a diesel engine could be caused byA.worn or broken cylinder liner sealing ringsB.high cooling water temperatureC.worn or broken piston ringsD.low fuel oil pressure
In a diesel engine, late fuel injection is indicated by black or gray exhaust smoke with ______.A.low firing pressureB.low exhaust temperatureC.mechanical knock in each cylinderD.fuel knock in each cylinder
One cause of diesel engine surging can be a result of ______.A.injection pump plungers stuck or wornB.low compressionC.solenoid stuck openD.fuel tank too full
What alarm is NOT found on an inert gas system ________．A.Low oxygen alarmB.Low pressure alarmC.Scrubber high water level alarmD.Deck seal low water alarm
单选题One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is（）.Athe extra weight required for the diesel reduction gearingBa minimum speed for the engines that limits the minimum speed of the vesselCthe higher fuel consumption per SHPDthe low efficiency of the system when a controllable pitch propeller is used
单选题If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.Aclose the static leg filling valveBclose the overflow tank falling valveCreduce the fuel oil pumping rateDstop the fuel oil pumping operation
单选题Diesel fuel is relatively safe to handle due to its low volatility, but the fumes will self-ignite and continue to burn steadily if the fuel is heated to the （）.Aflash pointBauto-ignition pointCvolatility pointDupper explosive limit
单选题If a diesel engine driving a generator turns over freely but fails to fire properly, the cause could be （）Aexcessive compression pressureBair in the fuel linesChigh fuel pressureDexcessive load
单选题Fuel oil is regularly transferred to the day tank in order to （）Aallow impurities to settle out of the fuelBallow air to escape from the fuelCmake fuel available for immediate useDall of the above
单选题Due to excessive water in the fuel, a diesel engine fails to startBefore the engine can be started, the water must be removed from the （）.Afuel pumpsBcylindersCfuel strainersDall of above
单选题Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect （）.Acondensation in the fuel tankBa crack in the hull portion of the fuel tankCa load of bad fuelDcontamination from the saltwater flushing system
单选题Starting a large low-speed propulsion diesel engine on diesel fuel during cold weather conditions, will be made easier by （）Aincreasing the quantity of starting airBincreasing the lube oil pressureCheating the engine fuel supplyDheating the engine coolant
单选题Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of （）.Afuel oil vapor at the sludge tank ventBunburned fuel vapors in the scavenge air receiverClube oil vapors in the crank caseDlube oil vapors in the engine room
单选题Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?（）AExhaust temperatureBLube oil levelCLube oil pressureDWater level in the expansion tank
单选题Burning fuel with a high sulfur content in a diesel engine will （）Aincrease thermal efficiencyBcause clogging of the fuel systemCincrease the ability of the engine to start in cold weatherDproduce corrosion in the cylinder and exhaust system at low loads
单选题The expansion tank in a diesel engine closed freshwater cooling system is located at （）Athe highest point in the systemBthe lowest point in the systemCnear the floorDplate level or near the tank top level
单选题Permitting a diesel engine fuel oil day tank to run dry can cause （）Aoverheated injection pumpsBwater condensation in the cylindersCfuel dilution of the lube oilDair in the fuel system
单选题Low compression pressure in a diesel engine may be the result of （）Ainsufficient fuel supply due to fuel pump valves sticking or leakingBexcessive mechanical clearance between the piston crown and cylinder headCexcessively worn fuel pump plungerDexcessive exhaust back pressure
单选题The system will include various （） such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.ASwitchesBpanelsCalarm unitsDsafety devices
单选题A diesel engine will lose power if fuel injection occurs too late in the cycle, because the（）Afuel droplets will burn as they leave the fuel injectorBfuel will not be properly atomized in the cylinderCmaximum expansion of the burned fuel cannot take place in the cylinderDcompression pressure will be too low to cause fuel ignition
单选题What alarm is NOT found on an inert gas system? （）ALow oxygen alarmBLow pressure alarmCScrubber high water level alarmDDeck seal low water alarm
单选题The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）Astop the combustion air supplyBengage the jacking gearCsecure the lube oil pumpDshut off the fuel at the day tank
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
单选题After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an（）.Alow compressionBair-bound fuel systemCimproper sparkDchange in viscosity