单选题Under manoeuvring condition the main engine may run on （）.A gas oilB marine diesel oilC residue oilD crude oil

题目
单选题
Under manoeuvring condition the main engine may run on （）.
A

gas oil

B

marine diesel oil

C

residue oil

D

crude oil

相似考题

1.While sailing in ballast under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine isA.the exhaust temperatureB.the speed of main engineC.the turbine rotation speedD.the power of main engine

2.The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.A.large conical springsB.compressed air pressureC.hydraulic pressureD.exhaust gas pressure

3.During sea trial, the main engine well be kept run at load.A.100%B.110%C.85%D.different

4.During sea trial, the main engine will be kept run at______loadA.100%B.110%C.85%D.different

更多“Under manoeuvring condition the main engine may run on （）.”相关问题

  • 第1题：

    Bilges may be pumped______.

    A.on the outgoing tide

    B.overboard after dark

    C.overboard through an anti-pollution equipment

    D.anytime in an emergency, i.e. main engine lube oil failure


    正确答案：C

  • 第2题：

    Goods stowed in containers ______ without notice．

    A.Shall be carried on deck

    B.Shall be carried under deck

    C.May be carried on or under deck

    D.May not be carried on or under deck


    正确答案：C

  • 第3题：

    单选题
    If a diesel engine starts firing, but is unable to come up normal speed, either without load or even under a small load, the cause may be （）
    A

    insufficient fuel supply

    B

    faulty governor

    C

    high exhaust back pressure

    D

    all of the above may cause this problem


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
    A

    a shortened ignition delay period

    B

    a lean fuel/air mixture

    C

    excess fuel in the combustion chamber

    D

    rapid vaporization of injected fuel droplets


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    You are inspecting the lower main precision bearings on a diesel engine.You observe that about half the thin Babbitt linings are of a milky white colourThis condition is caused by （）
    A

    large dirt particles in the oil supply

    B

    insufficient lubricating oil and overheating

    C

    normal wear

    D

    water contamination of the lube oil


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    Which of the following may cause that an engine doesnt run on starting air?（）
    A

    too low starting air pressure

    B

    main start valve closed

    C

    neither A nor B

    D

    A and B


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    When a vessel is stationary and in a hogging condition，the main deck is under（）.
    A

    compression stress

    B

    tension stress

    C

    shear stress

    D

    racking stress


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    While sailing under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is （）
    A

    power of main engine

    B

    turbine rotation speed

    C

    speed of main engine

    D

    exhaust temperature


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    A restricted air intake to a diesel engine may result in the engine （）.
    A

    failing to reach rated speed

    B

    knocking under maximum load

    C

    hunting or surging under light load

    D

    overspeeding and running away


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    The purpose of engine stand-by is that （）
    A

    the main engine in the stand-by condition

    B

    auxiliary machinery in the stand-by condition

    C

    dynamical equipments in the stand-by condition and could be used immediately

    D

    A and B


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by （）.
    A

    large conical springs

    B

    compressed air pressure

    C

    hydraulic pressure

    D

    exhaust gas pressure


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Prior to a ship’s departure, （） may not always be tested.
    A

    fire fighting pump

    B

    the steering gear

    C

    life boat engine

    D

    the main engine


    正确答案： D
    解析： 暂无解析

  • 第13题：

    I hereby ______ that my vessel is fitted with a rudder angle indicator and an engine revolution indicator on the bridge in such a position that the pilot may read both without having to move away from his station； and that the rudder angle indicator and engine revolution indicator are in good working condition.

    A.delay

    B.state

    C.delete

    D.contain


    正确答案：B

  • 第14题：

    When a vessel is stationary and in a hogging condition，the main deck is under ______．

    A.Compression stress

    B.Tension stress

    C.Shear stress

    D.Racking stress


    正确答案：B

  • 第15题：

    单选题
    The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by （）.
    A

    direct action of cam shaft

    B

    compressed air pressure

    C

    hydraulic “push rods”

    D

    direct action of the main piston moving down


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    The main purpose of inspection for a running diesel engine is（）
    A

    testing for the mechanical load and the thermal load

    B

    inspecting thermal and mechanical condition of the engine

    C

    inspecting each system and exhaust temperature

    D

    testing for compress pressure and explosion pressure


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    Why a gearbox is needed in a ship driven by a medium-speed diesel engine?（）
    A

    To reduce the main engine speed

    B

    To increase the main engine speed

    C

    To govern the main engine speed

    D

    To fix the propeller shaft


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）
    A

    Bed plate

    B

    Column

    C

    Entablature

    D

    Tie rod


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be（）
    A

    disengaging the clutch firstly, then stopping the main engine

    B

    stopping the main engine firstly, then disengaging the clutch

    C

    stopping the cooling water pump firstly, then stopping the main engine

    D

    stopping the main engine and disengaging the clutch at the same time


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）
    A

    failure of the proper operation of the main steering gear

    B

    failure of the proper operation of electrical installations

    C

    leakage of domestic water pump

    D

    insulation of exhaust pipes in engine room contaminated by oil


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    When the engine room is put in standby condition, the engineer in charge of the watch need not to（）
    A

    ensure all machinery which may be used during maneuvering is in ready

    B

    ensure an adequate reserve of power is available for steering gear and other requirements

    C

    keep the main propulsion unit controls continuously attended when in the manual mode of operation

    D

    ensure all machinery which may be used during maneuvering is running stably


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    A four-stroke cycle, turbocharged, 1000 horsepower diesel engine has been operating under loadThe load suddenly increases, causing excessive black exhaust smoke, and a rapid rise in the lube oil temperatureIn response to this condition, you should:（）
    A

    reduce load

    B

    check your exhaust

    C

    adjust cooling water temperature

    D

    increase lube oil flow


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    During sea trial, the main engine well be kept run at load（）
    A

    100%

    B

    110%

    C

    85%

    D

    different


    正确答案： A
    解析： 暂无解析

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