Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .A.Reduce engine speed to idle before removing the filterB.Soak the dirty filter in kerosene onlyC.Blow out the air inlet with compressed airD.Cover the air inlet after removing the filter
Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .
A.Reduce engine speed to idle before removing the filter
B.Soak the dirty filter in kerosene only
C.Blow out the air inlet with compressed air
D.Cover the air inlet after removing the filter
相关考题：
Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.A.open the indicator cocksB.supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)C.put the fuel handle in the "stop" positionD.pump up the air bottle
Which cleaning product should be used for the inside of a computer？（）A、glass cleanerB、a simple ammonia and water solution followed by an antistatic solutionC、a bleach solution followed by waterD、compressed air
During boot up， a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions should be taken to resolve the problem？ （）A、Replace the laptop.B、Replace the LCD screen.C、Replace the LCD pixels.D、Re-select the LCD in Device Manager.
When creating a SQL tuning set，which of the following steps allows the DBA to reduce the size of the SQL set by selecting specific operators and values？（）A、 Filter versionsB、 Filter loadsC、 Filter tasksD、 Filter options
单选题When installing a hydraulic hose, which of the following precautions should be taken?（）AThe hose should not be twistedBThe hose should be protected with a sleeve if it is subjected to rubbingCThere should be some slack in the hoseDAll of the above
单选题Which of the listed problems can be a cause of low compression pressure in a diesel engine?（）Aclogged air filterBcompression strokeCburned exhaust valvesDall of the above
单选题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except （）Aopen the indicator cocksBsupply some LO to cylinder liner wall with lubricatorCput the fuel handle in the stop positionDpump up the air bottle
单选题When the opening pressure of a diesel engine fuel injector is greater than that specified by the engine manufacturer, which of the following problems can be expected?（）AQuantity of fuel injected tends to be decreasedBQuantity of fuel injected will always be increasedCStart of injection tends to be advancedDDuration of injection will always greater
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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Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?（）AThe fire pump should be startedBThe boiler rims should be securedCThe fixed CO2 system should be initiated into actionDThe engine room ventilation should be secured
单选题Following the failure of one turbocharger on a large, crosshead, main propulsion diesel engine, fitted with multiple turbochargers, which of the following actions should be taken prior to further operation of the engine? （）ABlank off the exhaust gas inlet to the damaged turbochargerBSecure cooling and lubrication to the damaged turbochargerCLock the rotor of the damaged turbochargerDAll of the above
单选题Which of the following problems could cause air to blow out through the inlet air filter of a running compressor?（）AExcessive compression in the cylinderBA broken intake valveCA dirty inlet filter elementDAn improperly adjusted discharge valve
单选题Which of the following problems can cause an above normal air temperature to develop in the intake manifold of a turbocharged and after-cooled diesel engine?（）AFaulty turbocharger turbine diffuser ringBFaulty turbocharger compressor ringCInsufficient cooling water flowDClogged air intake filters
单选题Which of the following actions should normally be taken during each watch when the auxiliary boilers is in operation?（）Aclean the flame scanner photocell windowBInspect and clean all solenoid valvesClift the safety valves by handDInspect for oil or water leaks
单选题Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger?（）AReduce engine speed to idle before removing the filterBSoak the dirty filter in kerosene onlyCBlow out the air inlet with compressed airDCover the air inlet after removing the filter
单选题Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air?（）AOpen the machine on both ends so as to allow the air and dust to escapeBBe certain that the circuit breaker is opened and tagged on the feeder panelCBe certain that the air is clean and as dry as possibleDAll of the above
单选题When creating a SQL tuning set，which of the following steps allows the DBA to reduce the size of the SQL set by selecting specific operators and values？（）A Filter versionsB Filter loadsC Filter tasksD Filter options
单选题On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?（）AEngine is hard to startBEngine missesCSurges at governed RPMDCoolant temperature is too low
单选题When the diesel is stopped, which of the following items is wrong?（）Akeep all systems in normally runningBthe main engine is stand-byCshut off the starting air bottle outlet valveDpay attention to the changes of the system parameters
单选题In an operating diesel engine, which of the following condition is an indication of a leaking air starting valve?（）Anoise coming from that air starting valveBcontinuous operation of the starting air compressorCzero air pressure in the air starting systemDoverheated starting air pipe to the cylinder head
单选题If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should（）Acheck the air filter for obstructionBcheck for an exhaust leakCcheck the exhaust temperatureDsecure the engine
单选题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except（）Aopen the indicator cocksBsupply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)Cput the fuel handle in the “stop” positionDpump up the air bottle
单选题When occurring a fire in the scavenge air box, the following measures should be taken except for（）Areducing speed to SLOW and asking bridge for permission to stopBstopping the fuel oil supplyCswitching-on the auxiliary blowersDputting the scavenge air box fire extinguishing equipment into function
单选题When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the following precautions should be observed when switching back over to diesel oil?（）AThe diesel oil must never be allowed to mix with the heavy fuelBThe temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valveCThe heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valveDThe heating steam must be secured before the diesel oil passes through the three-way valve
单选题Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?（）AInjection pressuresBControl air supply pressureCCooling water flow through after-coolersDLube oil temperature