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Gasoline fuel tank vents should terminate ______．A.In the engine compartmentB.In the fuel tank spaceC.Above or outside the hullD.At the most convenient location

题目

Gasoline fuel tank vents should terminate ______．

A.In the engine compartment

B.In the fuel tank space

C.Above or outside the hull

D.At the most convenient location

相似考题

1.If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at theA.fuel line connections to the cylinder injection valvesB.gasket surfaces of the fuel oil filtersC.discharge fittings of the fuel injector pumpsD.suction side of the fuel oil transfer pump

2.What is NOT a requirement for the preparation of used，gasoline-propelled cars if they are to be carried as ordinary cargo and not as hazardous cargo ________．A.The engine must be run until it dies from lack of fuelB.The fuel tank must be inerted with CO2C.The ignition key may not be in the ignitionD.The vehicle must be inspected for fuel leaks

3.The tops of vents from gasoline tanks should terminate ______．A.in open airB.inside cabinsC.in machinery spaceD.underwater

4.A safe fuel system must ______.A.prevent engine overheatingB.have proper air/gasoline fuel mixture ratioC.be liquid- and vapor-tightD.supply sufficient air to the intake manifold

更多“Gasoline fuel tank vents should terminate ______.A.In the engine compartmentB.In the fuel ”相关问题

  • 第1题：

    单选题
    If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.
    A

    close the static leg filling valve

    B

    close the overflow tank falling valve

    C

    reduce the fuel oil pumping rate

    D

    stop the fuel oil pumping operation


    正确答案： C
    解析： 暂无解析

  • 第2题：

    单选题
    A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your first action should be to（）.
    A

    Batten down the engine room

    B

    start the fire pump

    C

    apply carbon dioxide to the fire

    D

    shut off the fuel supply


    正确答案： D
    解析： 暂无解析

  • 第3题：

    单选题
    While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should （）
    A

    reduce the fuel feeding of main engine of inner propeller

    B

    reduce the fuel feeding of main engine of outer propeller

    C

    firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propeller

    D

    reduce fuel feeding of two engines at the same time


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    Fuel oil tank vents are fitted with a screen which will stop（）.
    A

    oil from flowing out of the tank vent

    B

    air from entering the tank vent

    C

    vapors from leaving the tank vent

    D

    flames on deck from entering the tank vent


    正确答案： A
    解析： 暂无解析

  • 第5题：

    单选题
    Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect （）.
    A

    condensation in the fuel tank

    B

    a crack in the hull portion of the fuel tank

    C

    a load of bad fuel

    D

    contamination from the saltwater flushing system


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）
    A

    Commence draining that tank as quickly as possible

    B

    Seal off all vents to that tank

    C

    Activate the CO2 system to that tank

    D

    Shut off the steam heating coils


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    A safe fuel system must（）.
    A

    prevent engine overheating

    B

    have proper air/gasoline fuel mixture ratio

    C

    be liquid- and vapor-tight

    D

    supply sufficient air to the intake manifold


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    Permitting a diesel engine fuel oil day tank to run dry can cause （）
    A

    overheated injection pumps

    B

    water condensation in the cylinders

    C

    fuel dilution of the lube oil

    D

    air in the fuel system


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Gasoline fuel tank vents should terminate（）.
    A

    in the engine compartment

    B

    in the fuel tank space

    C

    above or outside the hull

    D

    at the most convenient location


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Prior to starting most medium-speed propulsion diesel engines, which of the procedures listed should be observed?（）
    A

    The expansion tank should be topped off

    B

    The thermostatic water regulating valves should be manually opened

    C

    The fuel filters should be changed

    D

    The engine should be turned over slowly with the indicator cocks open


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    In fighting a fire in a fuel tank, the FIRST action you should attempt is to （）.
    A

    secure all sources of fresh air to the tank

    B

    begin transferring the fuel to other tanks

    C

    top off the tank to force out all vapors

    D

    station someone at the fixed CO2 release controls


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    To find the cause of a gasoline engine’s failure to start，you should（）.
    A

    Break the joint in the fuel line at the engine and let the gas run in the bilges

    B

    Disconnect the wires at the spark plugs and make the spark jump the gap

    C

    Prime the engine with ether through spark plug openings

    D

    Ventilate the space，then check the battery，spark plugs，carburetor，and fuel line


    正确答案： D
    解析： 暂无解析

  • 第13题：

    单选题
    Before starting a diesel engine, you should always（）
    A

    check the pyrometer readings

    B

    check the crankcase oil level

    C

    check the fuel oil strainers

    D

    clean the fuel system


    正确答案： B
    解析： 暂无解析

  • 第14题：

    单选题
    Gasoline tanks should be filled（）.
    A

    to the top to expel all vapors from the tanks

    B

    to the top so the operator is certain how much fuel he has aboard

    C

    with only sufficient fuel for the planned trip so excess gasoline is not carried

    D

    to near the top with some space allowed for gasoline expansion


    正确答案： B
    解析： 暂无解析

  • 第15题：

    单选题
    The tops of vents from gasoline tanks should terminate（）.
    A

    in open air

    B

    inside cabins

    C

    in machinery space

    D

    underwater


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?（）
    A

    Move the fuel control mechanism to the no fuel position

    B

    Block the fuel supply by closing the master fuel valve

    C

    Shut off the fuel supply and block the flow of intake air

    D

    Relieve all pressure in the fuel system


    正确答案： B
    解析： 暂无解析

  • 第17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18题：

    单选题
    To successfully reduce an excessively high diesel engine exhaust gas temperature, you should （）.
    A

    reduce the engine driven fuel pump outlet pressure

    B

    retard the fuel injector timing to reduce power

    C

    increase the fuel rack setting

    D

    reduce the load on the engine


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    Where should the tops of vents from gasoline tanks terminate?（）.
    A

    In open air

    B

    Inside cabins near the overhead

    C

    In the machinery space near the engine air intake

    D

    Underwater


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    When fueling has been completed（）.
    A

    the fuel tank fill pipe should be left open to allow vapors to vent from the tank

    B

    the engine should be started immediately to prevent vapor lock in the fuel line

    C

    all hatches should be opened and all compartments should be ventilated

    D

    open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）
    A

    fuel line connections to cylinder injection valves

    B

    gasket surfaces of the fuel oil filters

    C

    discharge fitting of the fuel injector pumps

    D

    suction side of the fuel oil tran


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    When restarting a heavy fuel diesel engine that has been stopped for some time, the engine should（）
    A

    increase the starting air pressure

    B

    use a higher than normal cranking speed

    C

    increase the fuel injection pressure

    D

    use a fuel having a lower ignition temperature


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.
    A

    as much fuel as

    B

    less fuel than

    C

    less fuel as

    D

    more fuel than


    正确答案： C
    解析： 暂无解析

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