Fire I & II (2)

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readyreg29
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87181
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Fire I & II (2)
Updated:
2011-06-14 11:48:52
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Fire II
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Study Prep (2)
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  1. How well does masonry conduct heat?
    A: Very well; almost instantaneously
    B: Very well after a few moments
    C: Moderately well
    D: Poorly
    D: Poorly
  2. What is the term for a roof that has sloping or inclined surfaces?
    Pitched
  3. The basic procedure for extinguishing a vehicle fire is:
    Approach the vehicle from side, being cautious around wheel/tire area
  4. The safest way to attack a fully involved vehicle is from the what side when possible?
    upwind and uphill
  5. What is the method of fire suppresion most widely used on Class A combustibles
    Cooling
  6. A typical siamese appliance will have ______ connections
    2 female and 1 male
  7. Define: Incipient
    The initial stage of a fire
  8. Types of Fires
    • Class A - Ordinary combustibles
    • Class B - Flammable or combustible liquids
    • Class C - Energized electrical equipment
    • Class D - Combustible metals
    • Class K - Combustible cooking media
  9. An extinguishing agent usedin dry chemical fire extinguishers that can be used on Class A, B, and C fires
    Ammonium phosphate
  10. Carbon dioxide is how many times heavier that air
    1.5 times
  11. Types of fire extinguishers
    • Water
    • Dry chemical
    • Carbon Dioxide
    • Foam
    • Wet chemical
    • Halogenated agents
    • Dry powder
  12. A tool that has a steel bar with 2main features: A large pick and a large chisel or fork
    Kelly tool
  13. Six categories of tools:
    • Rotating
    • Pushing/Pulling
    • Prying/Spreading
    • Striking
    • Cutting
    • Muti-Function
  14. Why should hydrants be opened slowly?
    A: To avoid a pressure surge
    B: Because the valve assemblies are fragile
    C: To let the drain system catch up
    D: Rapid opening can cause the wrench to catch the water flow and spin suddenly with great force
    A: To avoid a pressure surge
  15. How, if at all, does the water delivered to fire hydrants differ from the water delivered into homes?
    A: Hydrant water is untreated
    B: It does not differ
    C: Home water is non-potable
    D: Hydrant water is harder
    B: It does not differ
  16. When the order is received to open a hydrant, how should it be opened?
    A: As rapidly as possible
    B: One turn, wait one minute, another turn, wait another minute, etc.
    C: Four turns, wait half a minute, four more turns, wait another half minute, etc.
    D: Slowly
    D: Slowly
  17. What kind of valve enables tankers to off-load their entire load of water very quickly?
    A: An iris valve
    B: A dump valve
    C: A gravity valve
    D: A spring-assist valve
    B: A dump valve
  18. Rapid intervention companies/crews are established to:
    A: help create a blitz offensive fire attack.
    B: rescue fire fighters.
    C: rescue occupants.
    D: protect exposures.
    B: rescue fire fighters.
  19. What is one simple procedure that can effectively keep smoke and heat out of a room or area?
    A: Setting up an exhaust fan
    B: Shutting a door
    C: Turning on the ceiling fans
    D: Turning on sink faucets
    B: Shutting a door
  20. When deciding where to overhaul, what is one clue fire fighters should look for?
    A: The sound of gurgling pipes behind a wall
    B: Openings that would allow fire to spread
    C: Carpet that has discolored non-uniformly as it has become wet
    D: Window panes that have a light dusting of soot on them
    • B: Openings that would allow fire to spread
  21. Why can't gasoline-powered pumps be operated safely inside a building to evacuate water?
    Because they generate carbon monoxide
  22. How long should overhaul operations continue?
    Until the Incident Commander is satisfied that no smoldering fires are left
  23. Once the fire is out, when, if ever, can fire fighters performing salvage operations work without SCBA?
    Only if the atmosphere has been tested and declared safe by the Safety Officer
  24. When a Fire fighter is to perform ventilation of a window, the ladder should be placed?
    With the ladder tip about even with the top of the window
  25. The smallest size hoseline the NFPA recommends for advancing on a vehicle fire is:
    1 1/2 inch
  26. When executing a blanket drag, you should:
    A. pull victim forward, place the blanket around victim, and lower the victim until flat
    B. roll victim on side, position blanket underneath, and roll victim back to original position
    C. carefully work blanket under victim without moving the victim
    D. lift victim onto the blanket and drag feet first
    B. roll victim on side, position blanket underneath, and roll victim back to original position
    (this multiple choice question has been scrambled)
  27. A stream designed to be as compact as possible with litle shower or spray is known as a _______ stream.
    Solid
  28. Nozzles with flows in excess of _______ gallons per minute are not recommended for handlines
    300
  29. Fire stream types are generally classified as:
    solid and fog
  30. A stream made by using a smooth-bore nozzle to produce a penetrating stream of water that has greater reach and penetrating power than a straight stream
    Solid stream
  31. A stream made by using an adjustable nozzle to provide a straight stream of water; greater than a fog stream.
    Straight stream
  32. The primary objective in a Defensive operation is to:
    prevent the fire from spreading
  33. The objective in an Offensive operation is for firefighters to:
    get close enough to the fire to apply extinguishing agents at close range
  34. Large handlines are are defined as hoses that are at least
    2.5 inches in diameter
  35. The most commonly used master stream devices flow between (gpm)
    500 and 1000 gpm
  36. The most frequently used size for interior fire attack is:
    1.75 inch handlines
  37. The most effective means of fire suppression in most situations and uses straight or solid hose streams to deliver water directly onto the base of the fire
    Direct attack
  38. The approach used to quickly remove as much heat as possible from the fire atmosphere. Effective at preventing flashover from occuring.
    Indirect attack
  39. When water is converted to steam, it expands to occupy a volume that is
    1700 times greater than the volume of water
  40. The device that is permanently mounted on a vehicle and equiped with a piping system that is intended to flow large amounts of water directly onto a fire or exposed building is a(n)
    Deck gun
  41. BLEVE
    Boiling-Liquid, Expanding-Vapor Expolosion
  42. A master stream device that is placed on the ground that can be positioned wherever a master stream is needed
    Portable monitor
  43. The best way to prevent a BLEVE is to
    Direct heavy streams of water onto the tank from a safe distance
  44. A nozzle attached to the end of a straight ladder truck that is designed to provide large volumes of water from an elevated position
    Ladder pipe
  45. Fire involving ordinary combustible materials such as wood, cloth, paper, rubber, and many plastics
    CLASS A Fires
  46. Fires involving flammable and combustible liquids, oils, grease, tars, oil-based paints, lacquers, and flammable gases
    CLASS B Fires
  47. Fire involving energized electrical equipment where the electrical conductivity of the extinguishing media is of importance
    CLASS C Fires
  48. Fires involving combustible metals such as magnesium, titanium, zirconium, sodium, and potassium
    CLASS D Fires
  49. Fires involving combustible cooking media such as vegetable oils, animal oils, and fats
    CLASS K Fires
  50. Composite SCBA cylinders must be hydrostatically tested every:
    3 years

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