网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
White smoke exhausting from a diesel engine can be caused by （）
A
low combustion temperature
B
a leaking fuel nozzle check valve
C
late fuel injection
D
plugged oil-scraper ring hole
参考答案
参考解析
解析：
暂无解析
更多 “单选题White smoke exhausting from a diesel engine can be caused by （）A low combustion temperatureB a leaking fuel nozzle check valveC late fuel injectionD plugged oil-scraper ring hole” 相关考题
考题
Combustion knock occurring in a diesel engine can be caused by _____.A.low coolant temperatureB.insufficient fuelC.high ambient temperatureD.carbon buildup on the injector tips
考题
An indication of an overloaded main propulsion diesel engine is( ).A.white smoke in the exhaustB.high exhaust gas pyrometer readingsC.sparks in the exhaustD.blue smoke in the exhaust
考题
What would white exhaust smoke from a diesel engine probably mean ________．A.Late fuel injectionB.Excess combustion airC.Dribbling injector tipsD.Excessive lube oil consumption
考题
单选题Black smoke exhausting from a diesel engine indicates（）A
proper fuel injectionB
water in the fuelC
incomplete combustionD
burning of lube oil
考题
单选题Black smoke exhausting from an operating diesel engine is an indication of poor combustion which may be caused by （）A
water in the fuelB
insufficient fuel for combustionC
clogged air intake passagesD
burning lubricating oil
考题
单选题White smoke exhausting from an operating diesel engine may indicate （）.A
a cracked linerB
burning lube oilC
an overloaded engineD
insufficient combustion air
考题
单选题White smoke exhausting from a diesel engine can be caused by a （）A
high combustion temperatureB
high compression pressureC
cracked cylinder linerD
fuel with a high vanadium content
考题
单选题White smoke issuing from the exhaust of an auxiliary diesel engine valve opening （）A
the engine is overloadedB
the engine is coldC
there is too much lube oil in the cylindersD
the turbocharger is fouled
考题
单选题Black smoke coming from a boiler can be caused by （）.A
low water levelB
high water levelC
excessively high fuel pressureD
low oil temperature
考题
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 （）.A
fuel pumpsB
cylindersC
fuel strainersD
all of above
考题
单选题Poor combustion in a diesel engine can be caused by （）.A
high compression pressureB
low intake air temperatureC
low exhaust pressureD
high scavenge air temperature
考题
单选题Air in the fuel lines of a diesel engine can cause （）A
ignition failureB
oxygen corrosion of the fuel linesC
the pistons to seizeD
blue smoke
考题
单选题White smoke exhausting from a diesel engine can result from （）A
high exhaust temperatureB
high lube oil temperatureC
low turbo-charger speedD
low cooling water temperature
考题
单选题A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to （）A
feel the high pressure fuel lineB
check the cylinder exhausts for white smoke frequentlyC
check the cylinder exhaust temperatureD
isolate each cylinder and inspect the injector
考题
单选题A dark exhaust from a running diesel engine can be caused by （）A
late ignitionB
water in the fuelC
high compression temperatureD
starting valve stuck open
考题
单选题Black smoke exhausting from an operating diesel engine can be caused by （）A
fuel dribbling from leaking fuel injectorsB
burning fuel with a high carbon contentC
burning fuel with a high vanadium contentD
burning fuel with a lower sulphur content
考题
单选题High diesel engine cooling water temperatures can be caused by （）.A
air in the cooling systemB
an overhauled water pumpC
correct amount of coolantD
no air in the cooling system
考题
单选题High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.A
engine overloadB
low combustion temperatureC
plugged fuel nozzle holesD
excessive compression pressure
考题
单选题High exhaust temperatures from all of cylinder of a turbocharged, four-stroke/cycle diesel engine can be caused by an（）A
inoperative turbochargerB
inadequate fuel supplyC
overload on one cylinderD
unequal load distribution
考题
单选题Water in the fuel can prevent the engine from starting, prevent it from developing full power, or （）A
run at an irregular speedB
create high lube oil temperatureC
cause the engine to over-speedD
cause blue smoke in the exhaust
考题
单选题Combustion knock occurring in a diesel engine can be caused by （）A
low coolant temperatureB
insufficient fuelC
high ambient temperatureD
carbon buildup on the injector tips
考题
单选题Diesel engine piston seizure can be caused by （）A
poor cooling of cylinder wallsB
improper cooling of the pistonC
insufficient piston lubricationD
all of the above
考题
单选题If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should（）A
check the air filter for obstructionB
check for an exhaust leakC
check the exhaust temperatureD
secure the engine
热门标签
最新试卷
