Gas Valve Shut Off Procedures Quiz
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Questions and Answers

What does a vapor density less than 1 indicate?

  • The vapor is heavier than air and will sink
  • The vapor is at the same weight as air
  • The vapor will remain stagnant in the air
  • The vapor is lighter than air and will rise (correct)

    • In the context of CO levels, what action is recommended during the investigation stage?

  • Ventilate the occupancy immediately
  • Refrain from ventilating the occupancy (correct)
  • Increase the number of personnel inside the building
  • Open all windows to allow fresh air in

    • What does a vapor density greater than 1 indicate?

  • The vapor is at the same weight as air
  • The vapor is lighter than air and will rise
  • The vapor will remain stagnant in the air
  • The vapor is heavier than air and will sink (correct)

    • Why is it important to go on SCBA air when CO levels are above 35 PPM?

    <p>To minimize the risk of inhaling toxic gases</p> Signup and view all the answers

    What does a vapor density equal to 1 indicate?

    <p>The vapor is at the same weight as air</p> Signup and view all the answers

    How can venting during an investigation stage affect efforts to locate the source of CO?

    <p>It can inhibit efforts to locate the source of CO</p> Signup and view all the answers

    At what CO level is it recommended to go on SCBA air according to the information provided?

    <p>&gt;35 PPM</p> Signup and view all the answers

    What action should be taken if occupants feel ill in relation to CO levels?

    <p>(1) EMS unit should be dispatched</p> Signup and view all the answers

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