Pumping Apparatus Driver/Operator Chapter 6
18 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What influences the fire stream until it reaches its destination?

  • Wind direction, water color, nozzle shape, and hose material
  • Nozzle size, hose length, water temperature, and water density
  • Velocity, gravity, wind, and friction with the air (correct)
  • Temperature, humidity, nozzle material, and water pressure
  • At what pressure should solid stream nozzles on handlines be operated?

  • 70 psi
  • 30 psi
  • 50 psi (correct)
  • 90 psi
  • What affects the reach of a fog stream?

  • Velocity, nozzle size, water density, and wind direction
  • Nozzle shape, nozzle pressure, gravity, and air resistance
  • Width, water particle size, wind, and water flow volume (correct)
  • Nozzle color, water temperature, humidity, and hose material
  • What is a characteristic of a constant flow nozzle?

    <p>It is designed to flow a specific volume of water on all stream patterns at a specific nozzle discharge pressure.</p> Signup and view all the answers

    What happens if the driver does not supply a selectable gallonage nozzle with the proper pressure?

    <p>The handline will not achieve the selected gallonage at the nozzle.</p> Signup and view all the answers

    What is a characteristic of automatic fog nozzles?

    <p>They are a type of variable flow nozzle with the ability to change patterns while maintaining the same nozzle pressure.</p> Signup and view all the answers

    What is the maximum flow for high pressure fog nozzles?

    <p>8-15 gpm</p> Signup and view all the answers

    At what pressure do smooth bore master stream nozzles operate?

    <p>80 psi</p> Signup and view all the answers

    When are master stream appliances generally operated?

    <p>During incidents where handlines would be ineffective</p> Signup and view all the answers

    What is the maximum pressure at which high pressure fog nozzles operate?

    <p>800 psi</p> Signup and view all the answers

    What is the maximum flow for handlines?

    <p>350 GPMs</p> Signup and view all the answers

    What type of fires are high pressure fog nozzles best suited for?

    <p>Wildland fires</p> Signup and view all the answers

    What is the flow range of chimney nozzles at 100 psi?

    <p>1.5 to 3 gpm</p> Signup and view all the answers

    What type of master stream appliance is permanently attached to an aerial ladder or platform?

    <p>Elevated master stream</p> Signup and view all the answers

    What is the capacity of piercing nozzles at 100 psi?

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

    What is the distinguishing feature of combination monitors?

    <p>They may be used in a mount on the apparatus or removed and used remotely</p> Signup and view all the answers

    What type of master stream appliance is permanently mounted on the apparatus?

    <p>Fixed monitors</p> Signup and view all the answers

    What is the effect of water when it is discharged from a nozzle at a given pressure?

    <p>Nozzle reaction</p> Signup and view all the answers

    More Like This

    Engine Ops | Nozzle Options
    33 questions
    EOG 300 pg 21-26 nozzles and foam
    40 questions
    Use Quizgecko on...
    Browser
    Browser