202-09 Basic Foam Operations
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Questions and Answers

Which type of fires is foam intended for use on?

  • Class B fires (correct)
  • Class A fires
  • Class C fires
  • Class D fires

    • What is the purpose of a foam eductor?

  • To cool the fuel
  • To remove oxygen from the burning process
  • To create a low-pressure area within the chamber
  • To introduce foam concentrate into the water stream (correct)

    • What is the function of the Venturi in a foam eductor?

  • To create a low-pressure area within the chamber (correct)
  • To mix foam concentrate with water
  • To cool the fuel
  • To remove oxygen from the burning process

    • What is the maximum inlet pressure for Akron Municipal Eductors?

    <p>200 psi</p> Signup and view all the answers

    What is the range of the metering dial on Akron Municipal Eductors?

    <p>0% to 6%</p> Signup and view all the answers

    What is the purpose of foam in firefighting?

    <p>To remove oxygen from the burning process</p> Signup and view all the answers

    What is the purpose of mixing foam concentrate with water in a foam eductor?

    <p>To form a blanket of foam on the surface of burning fuels</p> Signup and view all the answers

    Which method is used when the roll-on and bank-down methods are not practical due to the size of the area or the lack of an object to bank the stream?

    <p>Rain-down method</p> Signup and view all the answers

    What is the maximum flow rate of the Foam Tube when latched onto a nozzle?

    <p>125 GPM</p> Signup and view all the answers

    What is the recommended pump discharge pressure for attaching the in-line foam eductor?

    <p>200 PSI</p> Signup and view all the answers

    How many lengths of 1 3/4" hose line should be attached to the eductor?

    <p>3 lengths of 1 3/4&quot; hose line</p> Signup and view all the answers

    What is the expansion ratio of the Quick Attack Foam Tube with AFFF?

    <p>12:1 expansion ratio</p> Signup and view all the answers

    Which technique involves directing the foam stream onto the ground near the front edge of a burning liquid spill?

    <p>Roll-on method</p> Signup and view all the answers

    What is the purpose of the foam shaper in the foam fire stream system?

    <p>To shape the foam stream</p> Signup and view all the answers

    What is the purpose of the in-line foam eductor in the foam fire stream system?

    <p>To provide air-aspirated foam capability</p> Signup and view all the answers

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