电气设备(electrical equipment)

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电气设备(electrical equipment)


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  • 第1题:

    Deep-fat cooking equipment shall be fitted with the following:()

    • A、An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the Organization
    • B、Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crew
    • C、Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing system
    • D、an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed

    正确答案:A,B,C,D

  • 第2题:

    下面哪一个打开备用电源的操作顺序是正确的?

    • A、I 打开Standby electrical power。II 打开E-inverter。 III 打开TRU。
    • B、I 打开Standby electrical power。II 打开TRU。 III 打开E-inverter。
    • C、I 打开E-inverter。II 打开TRU。 III 打开Standby electrical power。
    • D、I 打开TRU。II 打开E-inverter。 III 打开Standby electrical power。

    正确答案:A

  • 第3题:

    单选题
    The fire of electrical equipment is classified as()fire.
    A

    class A

    B

    Class B

    C

    Class C

    D

    Class D


    正确答案: D
    解析: 暂无解析

  • 第4题:

    单选题
    What does most service requests coming to Cisco TAC concern?()
    A

     equipment defects

    B

     equipment failures

    C

     complex network operation and management issues

    D

     integrating mixed vendor equipment


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring,his first step is to().
    A

    flush water over any burned area of the patient

    B

    apply ointment to the burned areas on the patient

    C

    get assistance to shut down electrical power in the area

    D

    remove the patient from the vicinity of the live electrical equipment or wiring


    正确答案: A
    解析: 暂无解析

  • 第6题:

    单选题
    Which statement concerning reserve sources of energy for GMDSS is FALSE().
    A

    While the ship is at sea,there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energy

    B

    Both the VHF and MF/HF installations must be simultaneously supplied

    C

    A means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in power

    D

    If a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information,a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power


    正确答案: D
    解析: 暂无解析

  • 第7题:

    名词解释题
    电气设备(electrical equipment)

    正确答案: 用于发电、变电、输电、配电、用电的设备。例如旋转电机、变压器、防护电器、测量仪表、开关电器、敷线设备、用电器具等。
    解析: 暂无解析

  • 第8题:

    单选题
    The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the().
    A

    loss of residual magnetism

    B

    absorption of moisture in the insulation

    C

    insulation varnish flaking

    D

    dirt collecting on the windings


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    Permanent magnetism is caused by().
    A

    operation of electrical equipment and generators on board ship

    B

    the earth's magnetic field affecting the ship's hard iron during construction

    C

    the horizontal component of the earth's magnetic field acting on the horizontal soft iron

    D

    the vertical component of the earth's magnetic field acting on the vertical soft iron


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    With (), the corrosion problems are much reduced in a central cooling system.
    A

    no equipment in contact with sea water

    B

    less equipment in contact with fresh water

    C

    more equipment in contact with sea water

    D

    less equipment in contact with sea water


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    These include deck machinery such as mooring equipment, anchor handling equipment, cranes and ().
    A

    boilers

    B

    bow thrusters

    C

    stabilizers

    D

    hatch covers


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    No outlet on a fire hydrant may point above the horizontal in order to().
    A

    avoid kinking the hose

    B

    avoid personal injury during connection

    C

    make connecting easier

    D

    prevent spray on electrical equipment


    正确答案: A
    解析: 暂无解析

  • 第13题:

    What does most service requests coming to Cisco TAC concern?()

    • A、 equipment defects
    • B、 equipment failures
    • C、 complex network operation and management issues
    • D、 integrating mixed vendor equipment

    正确答案:C

  • 第14题:

    单选题
    When electrical equipment is involved in a fire,the stream of dry chemicals should be().
    A

    aimed at the source of the flames

    B

    fogged above the equipment

    C

    shot off a flat surface onto the flames

    D

    used to shield against electrical shock


    正确答案: C
    解析: 暂无解析

  • 第15题:

    单选题
    Which of the listed classes of fire is considered as one involving electrical equipment?()
    A

    Class A

    B

    Class B

    C

    Class C

    D

    Class D


    正确答案: C
    解析: 暂无解析

  • 第16题:

    单选题
    Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?()
    A

    The agent is considered nontoxic at room temperature in low concentrations

    B

    The agent is less effective than carbon dioxide

    C

    Halon primarily extinguishes the fire by cooling

    D

    The agent cannot be used on electrical fires because it leaves a residue


    正确答案: D
    解析: 暂无解析

  • 第17题:

    单选题
    Steering gears can be arranged with hydraulic control equipment known as a (), or with electrical control equipment.
    A

    telemeter

    B

    telemanometer

    C

    telemotor

    D

    telemometer


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    Which of the following equipment is not pollution prevention equipment?()
    A

    oily water separator

    B

    sewage treatment plant

    C

    fuel oil separator

    D

    incinerator


    正确答案: C
    解析: 暂无解析

  • 第19题:

    多选题
    Deep-fat cooking equipment shall be fitted with the following:()
    A

    An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the Organization

    B

    Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crew

    C

    Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing system

    D

    an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed


    正确答案: D,C
    解析: 暂无解析

  • 第20题:

    单选题
    What is NOT a characteristic of carbon dioxide fire-extinguishing agents?()
    A

    Effective even if ventilation is not shut down

    B

    Will not deteriorate in storage

    C

    Non-corrosive

    D

    Effective on electrical equipment


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried out ()
    A

    De-energize the applicable switchboard bus

    B

    Bypass the interlocks

    C

    Secure and tag the supply circuit breaker in the open position

    D

    Station a man at the circuit supply switch


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    A fire in electrical equipment should be extinguished by using().
    A

    salt water

    B

    foam

    C

    low-velocity fog

    D

    CO2


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    A transformer in an electric circuit serves to ()
    A

    generate its own electrical power

    B

    transform electrical energy into mechanical energy

    C

    increase or decrease circuit voltage as required

    D

    convert AC current to DC current


    正确答案: D
    解析: 暂无解析