4AE3 U4 C5 Obj 1
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4AE3 U4 C5 Obj 1

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Questions and Answers

Which of the following is the correct acronym for using fire extinguishers?

  • AIM
  • PULL
  • SQUEEZE
  • PASS (correct)
  • What is the purpose of the ring pin on a fire extinguisher?

  • To hold the handle in place
  • To lock the operating lever
  • To prevent accidental discharge (correct)
  • To indicate the class of fires
  • Which type of fire extinguisher contains 10 liters of water and can be operated intermittently?

  • Pump Tank
  • Self-Expelling
  • Stored-Pressure (correct)
  • Cartridge or Cylinder Operated
  • What should be the aim when using a fire extinguisher?

    <p>The base of the fire</p> Signup and view all the answers

    When using a fire extinguisher, how should the nozzle be moved?

    <p>Back and forth</p> Signup and view all the answers

    Which type of extinguisher has a single chamber that contains both the agent and the expellant gas?

    <p>Stored-pressure water extinguisher</p> Signup and view all the answers

    What is the range of pressure for a stored-pressure extinguisher?

    <p>600 to 900 kPa</p> Signup and view all the answers

    Which type of extinguisher is suitable for water-soluble flammable liquids?

    <p>Stored-pressure AFFF extinguisher</p> Signup and view all the answers

    What type of extinguisher has a liquid solution of AFFF in the tank?

    <p>Stored-pressure AFFF extinguisher</p> Signup and view all the answers

    What type of extinguisher has a replaceable charge of solid AFFF in part of the nozzle?

    <p>Stored-pressure AFFF extinguisher</p> Signup and view all the answers

    Which type of fire extinguisher is pressurized with compressed air or an inert gas?

    <p>Stored-pressure water extinguisher</p> Signup and view all the answers

    What type of extinguisher has the agent and the expellant gas factory sealed in a disposable shell?

    <p>Dry chemical extinguisher</p> Signup and view all the answers

    Which type of extinguisher has a rechargeable or disposable shell?

    <p>Dry chemical extinguisher</p> Signup and view all the answers

    Which type of extinguisher is suitable for water-soluble flammable liquids such as alcohols, acetone, esters, or ketones?

    <p>AFFF extinguisher</p> Signup and view all the answers

    Which type of extinguisher has an air-aspirating nozzle?

    <p>AFFF extinguisher</p> Signup and view all the answers

    What is the purpose of the ring pin on a fire extinguisher?

    <p>To lock the operating lever</p> Signup and view all the answers

    What is the most common instructions for using fire extinguishers?

    <p>P - Pull the pin, A - Aim the nozzle, S - Squeeze the handle, S - Sweep the extinguisher spray at the fire</p> Signup and view all the answers

    What is the construction and operation of portable fire extinguishers based on?

    <p>Their mechanical action of operation</p> Signup and view all the answers

    What is the mass of a common type of stored-pressure extinguisher that contains 10 liters of water?

    <p>About 14 kg</p> Signup and view all the answers

    What is the recommended speed when sweeping the nozzle of a fire extinguisher?

    <p>Slow and steady</p> Signup and view all the answers

    What is the purpose of the ring pin on a fire extinguisher?

    <p>To prevent accidental discharge</p> Signup and view all the answers

    Which type of fire extinguisher is suitable for water-soluble flammable liquids such as alcohols, acetone, esters, or ketones?

    <p>Stored-Pressure</p> Signup and view all the answers

    What should be the aim when using a fire extinguisher?

    <p>At the base of the fire</p> Signup and view all the answers

    What is the range of pressure for a stored-pressure extinguisher?

    <p>Variable pressure</p> Signup and view all the answers

    What type of extinguisher has a liquid solution of AFFF in the tank?

    <p>Pump Tank</p> Signup and view all the answers

    Which type of fire extinguisher has a siphon tube, combination carrying handle/operating lever, and discharge hose?

    <p>Stored-pressure water extinguisher</p> Signup and view all the answers

    What type of fire extinguisher is suitable for ldtchen fires?

    <p>Stored-pressure Type K extinguisher</p> Signup and view all the answers

    What type of fire extinguisher has a rechargeable or disposable shell?

    <p>Dry chemical stored-pressure extinguisher</p> Signup and view all the answers

    What type of fire extinguisher has the agent and the expellant gas factory sealed?

    <p>Dry chemical stored-pressure extinguisher</p> Signup and view all the answers

    What type of fire extinguisher has plain water in the tank and a replaceable charge of solid AFFF in part of the nozzle?

    <p>AFFF extinguisher</p> Signup and view all the answers

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