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

题目

What would white exhaust smoke from a diesel engine probably mean ________．

A.Late fuel injection

B.Excess combustion air

C.Dribbling injector tips

D.Excessive lube oil consumption

相似考题

1.A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal .the probable ___.A.engine overloadB.leaky valvesC.stuck or broken piston ringsD.low air injection pressure

2.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

3.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

4.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

参考答案和解析
正确答案：A
更多“What would white exhaust smoke from a diesel engine probably mean ________.A.Late fuel inj ”相关问题

  • 第1题：

    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


    正确答案： A
    解析： 暂无解析

  • 第2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 fuel

    B

    insufficient fuel for combustion

    C

    clogged air intake passages

    D

    burning lubricating oil


    正确答案： B
    解析： 暂无解析

  • 第3题：

    单选题
    White smoke issuing from the exhaust of an auxiliary diesel engine valve opening （）
    A

    the engine is overloaded

    B

    the engine is cold

    C

    there is too much lube oil in the cylinders

    D

    the turbocharger is fouled


    正确答案： D
    解析： 暂无解析

  • 第4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 line

    B

    check the cylinder exhausts for white smoke frequently

    C

    check the cylinder exhaust temperature

    D

    isolate each cylinder and inspect the injector


    正确答案： A
    解析： 暂无解析

  • 第5题：

    单选题
    Black smoke exhausting from an operating diesel engine can be caused by （）
    A

    fuel dribbling from leaking fuel injectors

    B

    burning fuel with a high carbon content

    C

    burning fuel with a high vanadium content

    D

    burning fuel with a lower sulphur content


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    A smoking exhaust from an operating diesel engine could be caused by （）
    A

    low sulfur content in the fuel

    B

    a loose injector inlet connection

    C

    late fuel injection

    D

    high injection pressure


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）
    A

    White

    B

    Black

    C

    Blue

    D

    Clear


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    High firing pressures and a low exhaust temperature in a diesel engine may result from （）.
    A

    decreased piston to cylinder head clearance

    B

    increased exhaust system back pressure

    C

    early fuel injection timing

    D

    low scavenge air temperature


    正确答案： B
    解析： 暂无解析

  • 第9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 speed

    B

    create high lube oil temperature

    C

    cause the engine to over-speed

    D

    cause blue smoke in the exhaust


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Late fuel injection occurring at, or after TDC in a diesel engine is indicated by excessive exhaust smoke and （）
    A

    low exhaust temperature

    B

    low firing pressure

    C

    fuel knock in each cylinder

    D

    mechanical knock in each cylinder


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Late fuel injection in a diesel engine is indicated by low firing pressure with （）
    A

    low exhaust temperature

    B

    low exhaust pressure

    C

    mechanical knock in each cylinder

    D

    black or gray exhaust smoke


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    An indication of an overloaded main propulsion diesel engine is （）
    A

    white smoke in the exhaust

    B

    high exhaust gas pyrometer readings

    C

    sparks in the exhaust

    D

    blue smoke in the exhaust


    正确答案： A
    解析： 暂无解析

  • 第13题：

    单选题
    A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal the probable（）
    A

    engine overload

    B

    leaky valves

    C

    stuck or broken piston rings

    D

    low air injection pressure


    正确答案： A
    解析： 暂无解析

  • 第14题：

    单选题
    White smoke exhausting from an operating diesel engine may indicate （）.
    A

    a cracked liner

    B

    burning lube oil

    C

    an overloaded engine

    D

    insufficient combustion air


    正确答案： D
    解析： 暂无解析

  • 第15题：

    单选题
    White smoke exhausting from a diesel engine can result from （）
    A

    high exhaust temperature

    B

    high lube oil temperature

    C

    low turbo-charger speed

    D

    low cooling water temperature


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    The exhaust system of a diesel engine is usually designed to remove exhaust gases and to （）
    A

    provide exhaust back pressure

    B

    prevent exhaust smoke emissions

    C

    power a reciprocating supercharger

    D

    muffle exhaust gas noise


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）
    A

    pumping action of the piston

    B

    pressure of the fuel charge

    C

    vacuum developed in the manifold

    D

    pressure of the fresh air charge


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.
    A

    engine overload

    B

    low combustion temperature

    C

    plugged fuel nozzle holes

    D

    excessive compression pressure


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    "Scavenging" on a diesel engine means （）.
    A

    injecting fuel oil into a cylinder

    B

    removing exhaust gases from the cylinder

    C

    forcing air into the cylinders under pressure after the exhaust valve has dosed

    D

    a combination of all the above


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    In a diesel engine, late fuel injection is indicated by black or gray exhaust smoke with（）
    A

    low firing pressure

    B

    low exhaust temperature

    C

    mechanical knock in each cylinder

    D

    fuel knock in each cylinder


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    If the turbocharger failed on an auxiliary diesel engine, which of the following conditions would probably occur?（）
    A

    Full power cannot be developed

    B

    The exhaust will contain black smoke

    C

    Complete combustion will be impossible

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    If you notice smoke coming fro the crankcase exhaust fan outlet of an operating diesel engine, you would suspect（）
    A

    a cracked cylinder liner

    B

    clogged intake ports

    C

    broken piston rings

    D

    a faulty head gasket


    正确答案： B
    解析： 暂无解析

  • 第23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 obstruction

    B

    check for an exhaust leak

    C

    check the exhaust temperature

    D

    secure the engine


    正确答案： D
    解析： 暂无解析

相关内容