更多“One end of a diesel engine cylinder is sealed by the cylinde”相关问题
  • 第1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2题:

    单选题
    Which of the following procedures should be carried out when a large, low-speed, diesel engine is operated with one cylinder secured?()
    A

    Lubrication to the defective cylinder should be increased

    B

    Cooling water temperature to the engine should be increased

    C

    Only the turbocharger speed should be reduced

    D

    Engine speed should be reduced


    正确答案: D
    解析: 暂无解析

  • 第3题:

    单选题
    The most practical way of detecting an overload in one cylinder of an operating large, low-speed ,main propulsion diesel engine is to ()
    A

    check the cylinder exhausts for black smoke

    B

    listen for combustion knock in that cylinder

    C

    isolate each cylinder and inspect the injector

    D

    check the cylinder exhaust temperature frequently


    正确答案: C
    解析: 暂无解析

  • 第4题:

    单选题
    In the construction of a diesel engine, what is the purpose of end plates?()
    A

    To provide accessibility to the cylinder liners

    B

    To add stability to the engine block

    C

    To add rigidity to the block and a surface for attaching other parts

    D

    To make a surface for the base


    正确答案: A
    解析: 暂无解析

  • 第5题:

    单选题
    A change in the quality of fuel atomization by a diesel engine fuel injector would be caused by a/an ()
    A

    increase in engine speed

    B

    increase in cylinder turbulence

    C

    leaking needle valve

    D

    reduction in cylinder turbulence


    正确答案: C
    解析: 暂无解析

  • 第6题:

    单选题
    Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder is securedThis problem may be a result of ()
    A

    low loading of that cylinder

    B

    faulty combustion in that cylinder

    C

    sluggish piston ring action

    D

    excessive piston cooling


    正确答案: B
    解析: 暂无解析

  • 第7题:

    单选题
    One result of operating a diesel engine at light load with excessively low cooling water temperature is a/an ()
    A

    decrease in ignition lag

    B

    increase in fuel economy

    C

    reduction in lube oil viscosity

    D

    increase in cylinder misfiring


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    A faulty injection in one cylinder of an operating diesel engine can be located by ()
    A

    cutting out individual injectors and noting engine performance

    B

    checking lube oil temperature

    C

    checking cam position

    D

    using a timing light


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?()
    A

    Spark plug

    B

    Heat of compression

    C

    Carburetor

    D

    Glow plug


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    If a four-stroke/cycle diesel engine is started by injecting air into the cylinder, the pistons receiving the charge of starting air must be()
    A

    on the power stroke

    B

    on the exhaust stroke

    C

    at the end of the power stroke

    D

    at the start of the intake stroke


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    The function of diesel engine piston compression rings is to ().
    A

    prevent piston side thrust

    B

    prevent engine friction losses

    C

    transmit heat from the piston to the cylinder liner

    D

    remove oil from the cylinder combustion space


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Compared to a naturally aspirated diesel engine, a supercharged diesel engine has()
    A

    a cylinder air charge of higher pressure

    B

    increased pumping losses

    C

    less valve overlap

    D

    reduced blow-by


    正确答案: C
    解析: 暂无解析

  • 第13题:

    单选题
    Diesel engine cylinder head test cocks are used to()
    A

    check cylinder lubrication prior to starting engine

    B

    connect exhaust gas analyzers to determine engine efficiency

    C

    pressure test cylinder heads to check for leaks

    D

    remove moisture accumulations from cylinder prior to starting


    正确答案: D
    解析: 暂无解析

  • 第14题:

    单选题
    A drop in compression pressure in one cylinder of a diesel engine can be caused by()
    A

    a leaking fuel injection nozzle

    B

    a clogged air filter

    C

    early fuel injection

    D

    burned valves


    正确答案: B
    解析: 暂无解析

  • 第15题:

    单选题
    One end of a cylinder for a medium or high-speed diesel engine is sealed by the piston and rings, the other end is sealed by the ()
    A

    crankcase

    B

    cylinder head

    C

    valve cover

    D

    engine frame


    正确答案: D
    解析: 暂无解析

  • 第16题:

    单选题
    Broken intake valve springs on one cylinder of a diesel engine can cause the engine to ()
    A

    Over speed

    B

    fire improperly

    C

    lose oil pressure

    D

    overheatrapidly


    正确答案: D
    解析: 暂无解析

  • 第17题:

    单选题
    If water is found in the crankcase of a diesel engine, the cause may be due to()
    A

    a cracked cylinder head

    B

    a leaky cylinder head gasket

    C

    a cracked cylinder liner

    D

    any of the above


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    Persistent knocking in one cylinder of a diesel engine could be caused by().
    A

    a low load on that cylinder

    B

    sluggish piston ring action

    C

    excessive piston crown cooling

    D

    excessive clearance of piston pin


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    A diesel engine is warmed up and white vapor is in the exhaust,this could indicate ()
    A

    excessive cylinder lubrication

    B

    a lugging engine

    C

    a leaking cylinder liner

    D

    overloading of one cylinder


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to ()
    A

    increase scavenge air pressure

    B

    reduce fuel booster pump pressure

    C

    adjust the fuel rack

    D

    retard fuel injector timing


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    ()uses one or two high pressure pumps for all the cylinders with one more standby, while()have a separate high-pressure pump for each cylinder.
    A

    A common rail engine;conventional engines

    B

    A conventional engine;common rail engines

    C

    A marine diesel engine;most other engines

    D

    A two-stroke engine;four-stroke engines


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    One of function of diesel engine lubricating oil is to ()
    A

    induce carbon formation on cylinder walls

    B

    improve fuel penetration in the combustion space

    C

    form a friction reducing film between mating surfaces

    D

    lubricate the fuel injection


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    Diesel engine cylinder head test cocks are used to ()
    A

    check cylinder lubrication

    B

    connect the pressure indicator pressure

    C

    test cylinder heads

    D

    connect the exhaust gas pyrometers


    正确答案: B
    解析: 暂无解析