When the fuel oil is burning in the combustion chamber, it _____.A.gives up large amount of heatB.gives off large amount of heatC.gives up large amount of steamD.gives off large amount of steam

题目

When the fuel oil is burning in the combustion chamber, it _____.

A.gives up large amount of heat

B.gives off large amount of heat

C.gives up large amount of steam

D.gives off large amount of steam

相似考题

1.Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?A.Control the amount of lube oil burned in the combustion chamberB.Transmit heat from the piston to the cylinder linerC.Prevent damage to ring groove inserts by acting as a heat damD.Dissipate combustion chamber gas pressure by channeling it through the ring gap

2.Have you ever served the auxiliary engine to combustion heavy oil? What should be borne in mind when transferring oil; from heavy oil to light oil?

3.When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.A.increase the fuel oil temperatureB.decrease the fuel oil temperatureC.decrease the fuel oil supply pressureD.increase the air supply

4.Theois designed with a primary combustion chamber for burning sludge oil and ／or solid waste, and two secondary combustion chambers for9ases.burning uncombusted exhaustA.boilerB.separatorC.incineratorD.treatment lological sewage

更多“When the fuel oil is burning in the combustion chamber, it _____.A.gives up large amount o ”相关问题

  • 第1题：

    Generally speaking, the fuel injected into a marine diesel engine combustion chamber is ignited by ______.

    A.spark plugs

    B.glow plugs

    C.heat of compression

    D.a magneto


    正确答案：C
    一般来说为船用柴油机燃烧室内注入燃料是通过压缩热点燃的。

  • 第2题：

    单选题
    The consistent burning of fuel oil with a high sulfur content in a diesel engine will result in （）
    A

    clogged fuel injection pumps

    B

    increased cylinder liner wear

    C

    intake valve stem corrosion

    D

    varnish deposit on pistons


    正确答案： C
    解析： 暂无解析

  • 第3题：

    单选题
    The primary function of a fuel delivery check valve assembly is to（）
    A

    deliver proper fuel quantity to the injection nozzle

    B

    provide rapid fuel injection cutoff

    C

    control fuel quantity entering the pump body

    D

    control fuel pressure delivered to the combustion chamber


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    The burning of fuel oil in a diesel engine having a high sodium content, will cause （）
    A

    corrosion and grooving of exhaust valves

    B

    corrosion and gumming of the fuel injection pump

    C

    salt deposits in the exhaust manifold

    D

    slag deposits in the fuel injection equipment


    正确答案： A
    解析： 暂无解析

  • 第5题：

    单选题
    The ability of a fuel particle to travel into the combustion chamber before burning is called （）.
    A

    penetration

    B

    permanence

    C

    turbulence

    D

    atomization


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    When an auxiliary boiler is panting and emitting black smoke, you should （）.
    A

    increase the fuel oil temperature

    B

    decrease the fuel oil temperature

    C

    decrease the fuel oil supply pressure

    D

    increase the air supply


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    What is the term given to the process of breaking up fuel oil into very fine particles for better combustion?（）
    A

    Settling

    B

    Straining

    C

    Spraying

    D

    Atomizing


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    The viscosity regulator controls （） in order to provide oil at the correct viscosity for combustion.
    A

    the engines speed

    B

    the engines load

    C

    the fuel oil temperature

    D

    the fuel oil flow


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    The ash content of a fuel oil is significant to the operating engineer because it （）
    A

    is an indication of the amount of noncombustible material present in the oil

    B

    indicates the quantity of energy released by burning a unit amount of the fuel

    C

    is useful for determining proper atomization temperatures

    D

    reflects the overall thermal efficiency of the fuel oil service system


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    The rate of fuel injection in a diesel engine cylinder depends primarily on （）.
    A

    the size of the holes in the fuel nozzle

    B

    timing of the pump

    C

    supply pressure to the pump

    D

    shape of the combustion chamber


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    When the incinerator is stopped, which of the following is wrong?（）
    A

    After stopping supplying sludge oil, the value and pipe should be flushed by flushed by diesel oil and the incinerator continue burning for 10 minutes

    B

    Close auxiliary burner firstly and then close main burner

    C

    After stopping fuel, restoring the position of main fuel supply valve

    D

    Stop blower as soon as stopping supplying fuel oil


    正确答案： B
    解析： 暂无解析

  • 第12题：

    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?（）
    A

    The diesel oil must never be allowed to mix with the heavy fuel

    B

    The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valve

    C

    The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve

    D

    The heating steam must be secured before the diesel oil passes through the three-way valve


    正确答案： D
    解析： 暂无解析

  • 第13题：

    单选题
    The viscosity regulator controls the （） of the fuel oil in order to provide the oil at the correct viscosity for combustion.
    A

    temperature

    B

    pumping rate

    C

    pressure

    D

    heat


    正确答案： A
    解析： 暂无解析

  • 第14题：

    单选题
    When the fuel oil is burning in the combustion chamber, it （）.
    A

    gives up large amount of heat

    B

    gives off large amount of heat

    C

    gives up large amount of steam

    D

    gives off large amount of steam


    正确答案： B
    解析： 暂无解析

  • 第15题：

    单选题
    Generally speaking，the fuel injected into a marine diesel engine combustion chamber is ignited by（）.
    A

    spark plugs

    B

    glow plugs

    C

    heat of compression

    D

    a magneto


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    A viscosity regulator used for an engine is usually provided in order to （） for an engine burning heavy fuel oil.
    A

    regulate the fuel supply

    B

    maintain a constant fuel viscosity at the fuel valves

    C

    maintain efficient cooling

    D

    alter the fuel density


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    The viscosity regulator controls the fuel oil temperature （） provide oil at the correct viscosity for combustion.
    A

    in order that

    B

    because of

    C

    in order to

    D

    owing to


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
    A

    filter to remove the fuel oil

    B

    use the settler to remove the fuel oil

    C

    remove the fuel oil by centrifuging

    D

    drain and then renew the lube oil supply


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?（）
    A

    Control the amount of lube oil burned in the combustion chamber

    B

    Transmit heat from the piston to the cylinder liner

    C

    Prevent damage to ring groove inserts by acting as a heat dam

    D

    Dissipate combustion chamber gas pressure by channeling it through the ring gap


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as （）.
    A

    delivering the same quantity of fuel to each cylinder for each power stroke according to engine load

    B

    maintaining the metering adjustment for a reasonable period under all load conditions

    C

    timing fuel injection to obtain maximum power and good fuel economy

    D

    distributing the fuel to all parts of the combustion chamber for proper combustion


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a （）.
    A

    air bottle

    B

    air compressor

    C

    crank case

    D

    combustion chamber


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the （）.
    A

    quantity of fuel to be received

    B

    flash point of the fuel as it is received

    C

    fuel temperature as it is received

    D

    viscosity of the fuel being received


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as （）
    A

    the amount of lube oil additives increase

    B

    piston speeds increase

    C

    injection pressure decrease

    D

    engine speeds decrease


    正确答案： D
    解析： 暂无解析

相关内容