单选题The lube oil cooler is located after the lube oil filter in order for （）Athe filter to operate more efficientlyBthe lube oil cooler to be bypassedCpositive lube oil pump suction to be assuredDgalvanic action in the cooler to be minimized
单选题
The lube oil cooler is located after the lube oil filter in order for （）
A
the filter to operate more efficiently
B
the lube oil cooler to be bypassed
C
positive lube oil pump suction to be assured
D
galvanic action in the cooler to be minimized
参考解析
解析：
暂无解析
相关考题：
A dirty diesel engine oil filter element can best be detected by ______.A.visual inspection of the elementsB.the pressure drop across the filterC.high lube oil sump temperatureD.decrease in oil viscosity from the filter
Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of ______.A.refrigerant bubbles in the lube oilB.refrigerant reducing the lube oil viscosityC.oxidation(氧化) of the lube oil from overheatingD.reducing the floc or cloud point of the oil
单选题Excessive lube oil consumption by a reciprocating air compressor can be caused by （）.Ausing a slightly dirty air filterBusing oil having an excessive viscosityCintercooler or after-cooler leaksDcarrying the oil level higher than normal
单选题With respect to the flow of lubricating oil through a diesel engine, the lube oil coolers are located after filters in order to （）.Aallow filtration of less viscous oilBdecrease the pressure drop across the filterCimprove overall filtrationDall of the above
单选题A dirty lube oil strainer can result in（）AcrankcaseBlow lube oil temperatureCexcessive oil consumptionDlow bearing oil pressure
单选题A dirty diesel engine oil filter element can best be detected by （）.Avisual inspection of the elementsBthe pressure drop across the filterChigh lube oil sump temperatureDdecrease in oil viscosity from the filter
单选题Telescopic pipes to the piston of a large slow-speed main propulsion diesel engine are designed to prevent （）.Aexcessive crankcase pressureBexcessive lube oil temperatureCcontamination of the lube oil by waterDcontamination of the cooling water by lube oil
单选题The pressure difference before and after the lube oil filter indicates （）the filter should be cleaned.AwhenBhowCwhereDwhether
单选题To determine if the lube oil filter elements need changing, （）.Aopen the filter and inspect the elementsBcheck the lube oil pump discharge pressureCcheck the lube oil header pressureDcheck the pressure drop across the filter
单选题A lube oil filter can be used to remove most contaminants from lube oilA contaminant which will remain in the lube oil after filtering is （）.AacidBfuel oilCsedimentDwater
单选题Which of the listed conditions can cause a diesel engine to use too much lube oil?（）ADirty lube oil filterBToo much piston ring wearCHigh lube oil viscosityDLow lube oil temperature
单选题Excessive lubricating oil consumption in a running diesel engine can be caused by （）Aclogged lube oil pipingBexcessive valve-guide clearanceChigh lube oil viscosityDlow lube oil temperature
单选题Fuel oil contamination of an auxiliary diesel engine lube oil can result in（）Aan increased flash pointBhigher lube oil pressuresCan increased viscosityDlower lube oil pressures
单选题Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.Aopen the bypass lineBcut in the lube oil coolerCpressurize the lube oil systemDtop off the expansion tank
单选题In a full flow type lube oil system, the bypass relief valve will lift due to （）Aa clogged filter elementBexcessive lube oil pump discharge pressureCexcessive lube oil flowDexcessively hot lube oil
单选题It is necessary for us （） after having served for a certain period.Ato change the lube oilBhave the lube oil purifiedChave the lube oil burntDto analyze the lube oil
单选题Which of the following conditions can cause excessive lube oil consumption in a diesel engine?（）ALow lube oil temperatureBDirty lube oil strainerCLow lube oil pressureDHigh lube oil temperature
单选题Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）AWater discharging from the water outlet of the lube oil purifierBFuel oil discharging from the water outlet of the lube oil purifierCLube oil discharging from the water outlet of the lube oil purifierDA change in the lube oil viscosity
单选题Which of the following problems will occur if a disk-type centrifugal lube oil purifier is not properly primed prior to admitting oil flow to the bowl?（）AContamination of the lube oil by emulsification will resultBThe lube oil will not be subjected to the proper centrifugal forceCThe lube oil will overheat and flashDOil will discharge from the heavy phase discharge port and be wasted
单选题Scale and dirt accumulation in the waterside of a lube oil cooler will be indicated by a gradual increase in the lube oil（）.ATBN numberBviscosityCtemperatureDfoaming
单选题The pressure differential across a diesel engine lube oil system duplex filter should be checked to （）Adetermine the need for filter cleaningBmeasure any change in oil viscosityCprevent damage to the filterDdetermine the need for batch filtration
单选题Lube oil in the fresh water cooling system of a diesel engine may result from a （）Acamshaft seizureBlube oil pump failureClube oil cooler failureDlube oil pump overflow
单选题Excessive piston ring wear in a diesel engine will cause（）Ahigh lube oil viscosityBincreased lube oil consumptionClow lube oil temperaturesDhigh firing pressures
单选题Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of （）Arefrigerant bubbles in the lube oilBrefrigerant reducing the lube oil viscosityCoxidation of the lube oil from overheatingDreducing the floc or cloud point of the oil
单选题What is the function of the after-cooler installed in the diesel engine air intakes system?（）ADecrease the air densityBIncrease the exhaust temperatureCDecrease the lube oil temperatureDIncrease the air density
单选题The lube oil in the bearings is drawn from a （）, usually located in the bedplate.AtankBsumpCvesselDbottle
单选题Which of the following faults would allow lube oil to enter the cooling system of a diesel engine?（）AExcessive valve train lubricationBLeaking standby oil cooler coreCExcessive lube oil pressureDExcessive lube oil in the system