更多“To shut down a diesel engine after it exceeds the set maximu”相关问题
  • 第1题:

    单选题
    Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed ().
    A

    clearance

    B

    crush

    C

    pitch

    D

    thrust


    正确答案: C
    解析: 暂无解析

  • 第2题:

    单选题
    In a four-stroke cycle diesel engine the intake valves open ()
    A

    before TDC and close after BDC

    B

    after TDC and close after BDC

    C

    before TDC and close before BDC

    D

    after TDC and close before BDC


    正确答案: A
    解析: 暂无解析

  • 第3题:

    单选题
    An over-speed trip stops a diesel engine when the engine ()
    A

    runs out of fuel

    B

    has low lubricating oil pressure

    C

    exceeds a set maximum speed

    D

    has high cooling water temperature


    正确答案: B
    解析: 暂无解析

  • 第4题:

    单选题
    On a ship,the possibility of a blowout makes which type of diesel engine shutdown desirable?()
    A

    Overspeed trip

    B

    Air inlet shut-off valve

    C

    Water injector

    D

    Fuel cutoff valve


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    A diesel engine fails to start because of water in the fuelIn order to start the engine, you should ()?
    A

    turn engine with jacking gear

    B

    drain filters and strainers and bleed off water at each injection pump

    C

    use ether to start the engine with blow-down valves open

    D

    blow through the cylinders and fuel lines with a drying agent


    正确答案: D
    解析: 暂无解析

  • 第6题:

    单选题
    Diesel engine control can be obtained by the bridge ().
    A

    at any time

    B

    only after the engine room control station is switched to “bridge control”

    C

    whenever the secondary station is switched to bridge control

    D

    with the approval of the chief engineer only


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    If the valve tappets in a diesel engine are set at greater clearances than those specified by the engine manufacturer, those valves will ()
    A

    open late and close early

    B

    open late and close late

    C

    fail to open when the engine is cold

    D

    fail to open at normal operating temperature


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft,you should().
    A

    go in one direction until the fuel runs out

    B

    plot a course for the nearest land

    C

    take a vote on which direction you should go

    D

    shut down the engine(s) and set the sea anchor


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    An automated diesel engine should normally shut down due to ()
    A

    low lube oil temperature

    B

    high ambient air temperature

    C

    low tube oil pressure

    D

    high exhaust system back pressure


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Diesel engine automated control systems may utilize sensing devices of dual function, with sensing ranges providing both alarm and engine shut down capability.Which of the key points would only require an alarm sensor?()
    A

    Lube oil pressure and temperature

    B

    jacket water pressure and temperature

    C

    Engine over-speed

    D

    Lube oil sump level


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    The rotary motion of a diesel engine crankshaft is obtained from the up and down motion of the piston via the ().
    A

    camshaft

    B

    reduction gears

    C

    rocker arm

    D

    connecting or piston rod


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will()
    A

    increase engine power

    B

    increase engine load

    C

    decrease engine power

    D

    improve fuel economy


    正确答案: C
    解析: 暂无解析

  • 第13题:

    单选题
    After the order “()” is given, the air system is shut down, the turning gear put in.
    A

    Finished with Engine

    B

    Stop the Engine

    C

    Stand-by Engine

    D

    Slow-down Engine


    正确答案: B
    解析: 暂无解析

  • 第14题:

    单选题
    Leaking oil seals on a diesel engine turbocharger can cause()
    A

    the engine to run after the fuel has been secured

    B

    the engine to over-speed

    C

    a fire

    D

    all of the above


    正确答案: D
    解析: 暂无解析

  • 第15题:

    单选题
    Clogged or partially obstructed exhaust ports on a diesel engine can cause()
    A

    over-speeding of the engine

    B

    failure of the engine to shut down

    C

    no effect of engine mounting bolts

    D

    high exhaust temperatures


    正确答案: B
    解析: 暂无解析

  • 第16题:

    单选题
    Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?()
    A

    Exhaust temperature

    B

    Lube oil level

    C

    Lube oil pressure

    D

    Water level in the expansion tank


    正确答案: C
    解析: 暂无解析

  • 第17题:

    单选题
    An emergency diesel generator should automatically shut down in the event of ()
    A

    dangerous over-speeding

    B

    a loss of lube oil pressure

    C

    activation of the fixed CO2 system for the emergency generator space

    D

    all of the above


    正确答案: B
    解析: 暂无解析

  • 第18题:

    单选题
    Immediately after any diesel engine is started, the engineer should check the ()
    A

    crankcase pressure

    B

    lube oil pressure

    C

    saltwater pressure

    D

    exhaust temperature


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    Main diesel engine control can be obtained by the bridge ()
    A

    at any time

    B

    only after the engine room control station is switched to ‘bridge control’

    C

    whenever the secondary station is switched to ‘bridge control’

    D

    whenever the engine side control station is switched to ‘bridge control’


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    Maximum horsepower of a diesel engine is attained ().
    A

    when the engine RPM is pulled down by overload

    B

    at rated engine RPM

    C

    at 95 % of rated engine RPM

    D

    at 95 % of a properly adjusted governor RPM with the engine under full load


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    After finished the engine, which of valves cannot be shut off by the duty engineer?()
    A

    fuel valve

    B

    the starting air valve

    C

    the sea chest

    D

    the main sea pump inlet valve


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an()
    A

    turbocharger malfunction or failure

    B

    crankcase exhauster overload

    C

    overload on the intercooler

    D

    obstruction in the engine cylinders


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    Before being shut down, a diesel engine should idle a few minutes in orderto ()
    A

    prevent governor surging at shutdown

    B

    make sure the fuel nozzles are flushed clean

    C

    prevent pressure buildup in the fuel lines

    D

    prevent damage from localized overheating


    正确答案: D
    解析: 暂无解析