Before using a fixed CO2 system to fight an engine room fire, you must ______.A.secure the engine room ventilationB.secure the machinery in the engine roomC.evacuate all engine room personnelD.All of the above

题目

Before using a fixed CO2 system to fight an engine room fire, you must ______.

A.secure the engine room ventilation

B.secure the machinery in the engine room

C.evacuate all engine room personnel

D.All of the above


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  • 第1题:

    At the earliest indication of fire aboard your vessel, you must FIRST ______.

    A.locate the fire

    B.determine which type of fire is burning

    C.sound the alarm

    D.fight the fire


    正确答案:C

  • 第2题:

    单选题
    Before using a fixed CO2 system to fight an engine room fire,you must().
    A

    secure the engine room ventilation

    B

    secure the machinery in the engine room

    C

    evacuate all engine room personnel

    D

    All of the above


    正确答案: C
    解析: 暂无解析

  • 第3题:

    单选题
    When should a fire be ventilated?()
    A

    When attacking the fire directly

    B

    When using a steam smothering system

    C

    When using the fixed CO2 system

    D

    All of the above


    正确答案: D
    解析: 暂无解析

  • 第4题:

    单选题
    Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?()
    A

    The fire pump should be started

    B

    The boiler rims should be secured

    C

    The fixed CO2 system should be initiated into action

    D

    The engine room ventilation should be secured


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?().
    A

    Use the C02 system and evacuate the engine room

    B

    Use the fire main system and evacuate the engine room

    C

    Evacuate the engine room and use the C02 system

    D

    Evacuate the engine room and use the fire main system


    正确答案: B
    解析: 暂无解析

  • 第6题:

    单选题
    Why is it necessary to warn engine room personnel before activating the fixed CO2 system?()
    A

    To make them aware there is a fire

    B

    To let them know they should leave the engine room

    C

    To prevent possible injury from frostbite

    D

    To make them aware that ventilation will automatically stop


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    Fixed CO2 systems would not be used on crew’s quarters or().
    A

    the paint locker

    B

    spaces open to the atmosphere

    C

    cargo holds

    D

    the engine room


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?()
    A

    Fixed CO2,semi-portable CO2, then hand portable CO2

    B

    Semi-portable CO2, fixedCO2, then hand portable CO2

    C

    Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system

    D

    Hand portable, fixed CO2, then as a last resort the semi-portable CO2


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    After extinguishing a paint locker fire using the fixed CO2 system,the next action is to have the space().
    A

    opened and burned material removed

    B

    left closed with vents off until all boundaries are cool

    C

    checked for oxygen content

    D

    doused with water to prevent reflash


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?()
    A

    Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiation

    B

    Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gas

    C

    Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gas

    D

    This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless gas


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    You are ordering ships’ stores that are NOT consumer commodities. Which statement is TRUE?()
    A

    All flammable liquids must be stowed in the paint locker or specially constructed integral tanks

    B

    The label of a hazardous ships' store must include instructions for safe stowage

    C

    Replacement CO2 cylinders for the fixed fire fighting system must have been tested within 8 years of receipt

    D

    Cartridges for the line throwing appliance must be stored in the portable magazine chest after receipt


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take FIRST?()
    A

    Secure the burners then proceed to your assigned boat station

    B

    Start the fire pump and establish flow to the fire main

    C

    Open the guardian valve and standby to maneuver

    D

    Open the master control valves on the fixed CO2 system


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Which of the following statements is FALSE,concerning the regulations pertaining to the cylinder room of a fixed CO2 fire extinguishing system ________.

    A.The compartment must be properly ventilated

    B.The temperature of the room should never exceed 130℉

    C.The door must be kept unlocked

    D.The compartment shall be clearly marked and identifiable


    正确答案:C

  • 第14题:

    单选题
    Operation of the valve control release on a fixed CO2 system must immediately().
    A

    release CO2 to the protected space

    B

    secure all mechanical ventilation in the protected space

    C

    sound the rig's general alarm signal for a fire

    D

    sound an alarm in the ballast control room


    正确答案: B
    解析: 暂无解析

  • 第15题:

    单选题
    An example of class "A" fire is a/an ().
    A

    electrical fire in the engine room

    B

    oil fire in the engine room bilges

    C

    oil fire involving a grade A petroleum product

    D

    mattress fire in a stateroom


    正确答案: B
    解析: 暂无解析

  • 第16题:

    单选题
    If you must enter a room or compartment to combat the fire, keep an escape path ().
    A

    open

    B

    close

    C

    opens

    D

    closes


    正确答案: C
    解析: 暂无解析

  • 第17题:

    单选题
    While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take?()
    A

    Make an entry in the official logbook

    B

    Open the master control valves on the fixed CO2 system

    C

    Start the fire pump and check discharge pressure

    D

    Secure auxiliary condenser overboard discharge


    正确答案: B
    解析: 暂无解析

  • 第18题:

    单选题
    In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must().
    A

    actuate an alarm and open the engine room control valve

    B

    actuate an alarm and open the engine room CO2 releasing valve

    C

    open the engine room control valve and shut off engine room ventilation fans

    D

    open the engine room control valve and then the CO2 releasing valve


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds?()
    A

    Engine room ventilation should be started

    B

    Main engines should be secured

    C

    The fire pump should be started

    D

    The fixed CO2 system should be activated


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant in a diesel engine warm during the time the engine is secured?()
    A

    The coolant temperature must be maintained at 180℃

    B

    The thermostatic bypass valves must be manually opened before the engine is started

    C

    The pressure cap must be removed while the engine is secured

    D

    Electrical power to the heater must be secured before the cooling system is drained


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    Your vessel is equipped with a fixed CO2 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?()
    A

    Use the CO2 system and evacuate the engine room

    B

    Use the fire main system and evacuate the engine room

    C

    Evacuate the engine room and use the CO2 system

    D

    Evacuate the engine room and use the fire main system


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for().
    A

    all the spaces of a vessel

    B

    all cargo spaces

    C

    the engine room and largest cargo space

    D

    the space requiring the largest amount


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Before using a fixed C02 system to fight an engine room fire,you must().
    A

    secure the engine room ventilation

    B

    secure the machinery in the engine room

    C

    evacuate all engine room personnel

    D

    ALL of the above


    正确答案: A
    解析: 暂无解析