Strategies and Tactics Chapter 8
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Questions and Answers

What is the objective of an offensive fire attack?

  • To apply enough water directly to the burning fuel to achieve extinguishment (correct)
  • To wait for the fire to burn out on its own
  • To prioritize property damage reduction over firefighter safety
  • To conserve water supply for future use

    • What does the Royer/Nelson formula determine?

  • Rate of flow in GPMs (correct)
  • Heat intensity of the fire
  • Fire spread direction
  • Optimal ventilation points

    • What does the use of initial attack lines when overpowered by the fire indicate?

  • Efficient firefighting strategy
  • Effective risk benefit analysis
  • Adequate staffing for interior attack
  • Poor training and lack of fire ground discipline (correct)

    • What is the Royer/Nelson formula

    <p>V/100</p> Signup and view all the answers

    What is the major assumption of the Royer/Nelson formula?

    <p>Structure fires are primarily vent controlled</p> Signup and view all the answers

    What is the NFA formula?

    <p>A/3</p> Signup and view all the answers

    What is strongly recommended when the flow exceeds the capabilities of the two standard initial attack lines used by the FD?

    <p>Including the rate of flow in preincident plans</p> Signup and view all the answers

    What type of lines or appliances are required for a fire in an undivided building with a considerable area?

    <p>Interior 2.5&quot; lines or interior master stream appliances</p> Signup and view all the answers

    What is the recommended minimum line size for a structure fire?

    <p>1.75&quot;</p> Signup and view all the answers

    What modifier does the NFA recommend applying when using the A/3 rater of flow?

    <p>Percentage of involvement modifier</p> Signup and view all the answers

    What is the recommended flow rate for controlling most fires during the ignition phase?

    <p>Less than 1 gpm</p> Signup and view all the answers

    What is the most accurate type of rate of flow calculation?

    <p>Sprinkler rate of flow calculations</p> Signup and view all the answers

    What is the objective of an offensive fire attack?

    <p>To quickly control and extinguish the fire</p> Signup and view all the answers

    What does sprinkler research suggest about large orifice/large drop sprinklers?

    <p>They have better extinguishing qualities</p> Signup and view all the answers

    What is recommended when the average hose lay exceeds 250 ft?

    <p>Using 2&quot; or larger lines</p> Signup and view all the answers

    When are pressure reducing valves required for standpipe outlets?

    <p>Residual pressure exceeding 100 psi or static pressure exceeding 175 psi</p> Signup and view all the answers

    How are fog streams most utilized in structural firefighting?

    <p>Exposure protection or Class B fires</p> Signup and view all the answers

    Where is the best application of an indirect attack?

    <p>Tightly enclosed areas aboard ships</p> Signup and view all the answers

    What is the primary objective of applying water to the fire for 15 seconds in a small residential fire prior to making entry?

    <p>Softening the target, reducing heat</p> Signup and view all the answers

    When does softening the target tactic not apply?

    <p>In the absence of visible fire or heavy smoke conditions</p> Signup and view all the answers

    What does final extinguishment involve?

    <p>Applying water directly on the burning material to reduce temperature</p> Signup and view all the answers

    When is transitional attack utilized?

    <p>When directing a stream from exterior into a self-vented room involved in fire</p> Signup and view all the answers

    What is the purpose of providing at least two water supplies for a working structure fire?

    <p>To meet the calculated rate of flow plus backup lines and other lines protecting exposures</p> Signup and view all the answers

    When is it necessary to place another pumper in a LDH water supply layout?

    <p>When flows in excess of 1,000 gpm are anticipated from a single pumper</p> Signup and view all the answers

    What does PPV promote if fire has entered large or vented concealed spaces?

    <p>Fire spread</p> Signup and view all the answers

    Which tactic is referred to as a defensive tactic in firefighting?

    <p>Trench cut</p> Signup and view all the answers

    According to NFPA 1710, how many firefighters are required to establish a minimum uninterrupted water supply of 400 gpm for an initial response to a 2,000 sq ft two-story house with no basement and no exposures?

    <p>1 firefighters</p> Signup and view all the answers

    In the context of crew size and task completion time, what did experiments show?

    <p>Smaller crews completed tasks faster</p> Signup and view all the answers

    What happens to apparatus without adequate staffing during an operation?

    <p>They are classified as out of service or parked</p> Signup and view all the answers

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