Card Set Information

2013-04-28 17:22:00
midterm fire

fire stuff
Show Answers:

  1. what is a class A extinguisher used on?
    ordinary combustibles
  2. fire extinguishers are classified by the ___that have been CERTIFIED OF LISTED to extinguish without posing undue danger to the operator
    type of fuels
  3. sodium bicarb is effective on what type of fires?
    B and C
  4. CO2 is used on what type of fires?
  5. mechanical element squeezed to expel agent in fire extinguisher
  6. what does PASS stand for (extinguisher)?
    • Pull pin
    • Aim the nozzle
    • Squeeze the handle
    • Sweep the area of the fire
  7. how is dry chemical applied?
    applied generously to absorb energy and cool material (Class D)
  8. sprinkler system where water is throughout the system and held in place by the operating element of the sprinkler head
    wet system
  9. sprinkler where water is held below the main control valve, using air to prevent damage from frost or broken lines
    dry system
  10. sprinkler where water is held below a control valve and released by a signal from a separate initiating device
  11. sprinkler with a combination of deluge and dry pipe systems to reduce damage from excess water flow
    pre action system
  12. sprinkler element with glass bulb filled with a colored liquid that boils at a specific temp causing it to burst
    frangible bulb
  13. sprinkler type mounted on the underside of piping
  14. indicating valve outside the structure in line with the main water feed
  15. indicator valve located on the outside of the structure perpindicular to the main riser
  16. this valve senses when water is flowing through the system.  Activates gong or FACP
    alarm valve
  17. what does a Class 3 standpipe supply?
    • 1 and 2 flow requirements
    • 1.5" and 2.5" connections
  18. a sprinkler head that is activated at 180 degrees is painted what color?
  19. an FDC consists of what?
    Siamese with two 2.5" hookups
  20. how much does water wigh?
    8.33 lbs/gal
  21. the pressure of water at rest
    static pressure`
  22. the pressure remaining in a system while water is flowing from a second location
    residual pressure
  23. hydrants are usually supplied by___.  they are 4-12" wide
  24. where is the valve located for a dry barrrel hydrant?
    on the bottom
  25. how are hydrants rated?
    by the size of the main that supplies them, GPM available
  26. what are the types of natural ropes?
    • manila
    • sisal
    • cotton
  27. synthetic ropes are more resistant to__damage from abrasion
  28. what is the working load of 1 person?
    300 lbs
  29. the core of kernmatle rope holds how much of the load?
  30. part of the rope used to tie knots
    working end
  31. part of the rope attached to something, usually the anchor
    working end
  32. part of the rope used to hoist
    running part
  33. made by bringing the rope back to itself
  34. made by placing a twist in the rope and having that end run parallel back by itself
    round turn
  35. who is the only person who cal alter or call off an operation
    safety officer
  36. what is the benefit of a horseshoe roll?
    less sharp bends
  37. a low air alarm is activated at what percentage of air remaining?
  38. What is used on a class C fire?
    CO2 and dry chemical
  39. what are the 4 types of lugs?
    • extended
    • rockers
    • storz
    • recessed
  40. how many firefighters die on average every year?
  41. how often are bunkers cleaned and check?
    what is the NFPA in regards to that?
    • every 6 months
    • NFPA 1851
  42. at what level is hearing protection required by an employer?
    95 dba
  43. NFPA that is the standard for FD operational saftey and health program
  44. what is the TTP of earflap?
    • 20
    • 35
    • 20
  45. how much air does a low pressure SCBA hold?
    45 ft at 2216 psi
  46. how much air does a high pressure SCBA hold?
    66 ft at 4500 psi
  47. how often are air cylinders tested?
    3-5 years
  48. what are the 2 types of couplings?
    • threaded
    • storz
  49. what do you check while cleaning a hose?
  50. evolution where the company stops at the fire then goes to the supply
    reverse lay
  51. how much 5" supply hose is required?
    SLC requires how much?
    how about 2.5"?
    • 800'
    • 900'
    • 2.5" is the same
  52. nozzle type with the most comlicatted design
    automatic or constant pressure
  53. what kind of spray is good when you see a large cloud of black smoke?
    modified direct
  54. what is stencilled on a new hose?
    size and test date
  55. what is the sticker on an O2 cylinder?
    test date
  56. a pick axe is what type of tool?
  57. low pressure warning device on SCBA
  58. what is as important as strength in using a strinking tool?
  59. how many cutting blades does a pick axe have?
  60. what divisioin of ICS can split into groups, divisions, etc
  61. what type of nozzle produces a straight stream?
    • automatic
    • constant pressure
  62. what are the 3 types of streams?
    • straight 15 degrees
    • narrow15-45
    • wide 45-80
  63. how many taps to start the tool operator?
    shut down?
    • 2
    • 1
    • 3
  64. what are the 3 types of foam application?
    • bank on
    • bank back
    • raindown
  65. kinks in the hose can cause a loss of how much water?
  66. What tool can you use to mount an appliance?
    pry bar
  67. what are the 3 priorities on an incident?
    • life safety
    • incident stabilization
    • property conservation
  68. what is level 1 staging?
    parked in the direction of travel, notifies IC
  69. what is the flow for a 2.5" hose and 1"tip nozzle?
    • 200 gpm
    • 10 psi lost/100'
  70. what is the flow for a 2.5" hose with 1.25" nozzle tip?
    • 325 gpm
    • 25 FL/100'
  71. what is the flow for 1.75" hose with 15/16" tip?
    • 50 psi nozzle pressure
    • 40 psi FL/100' @ 180 gpm
    • 50 psi FL/100' @ 200 gpm
  72. what is the nozzle reaction formula for straight stream?
    fog nozzle?
    • 1/3 total GPM
    • 1/2
  73. what is a branch leader called?
  74. what is the best tool for removing trim, overhauling, and a bunch of other stuff?
  75. how often are ladders tested?
    • inspected monthly/after use
    • tested yearly
  76. what is the rail that runs the full length of the ladder from which rungs span?
  77. section of an extension ladder that is raised
  78. what is an appropriate ladder angle?
    65-75 degrees
  79. these metal rods run under rungs and through both beams.  help secure both BEAMS together with the RUNGS
    tie rods
  80. what is candle wax or parafin used on a ladder?
    slide rails and friction areas
  81. what is used on wood ladders to keep them nonconductive?
  82. structural support member usually found in horizontal position.  supported by a wall and/or columns and supports beams or joists
  83. horizontal beam above an opening
  84. horizontal support member that transitions weight from one member to another
  85. structural component using 1 or more triangular units to attain stability
  86. exterior nonload bearing wall.  pass in front of the building floor slab
    curtain wall
  87. construction type of exterior noncumbustible materials and wood interior support members.
    type 3 ordinary construction
  88. construction type where structural members are noncombustible but have little fire resistance
    type 2 noncombustible
  89. conventional flooring uses what size of material?
    2 by 6" or greater
  90. load of building itself, structural members, and anything permanently attached?
    dead load
  91. what are the dangers of ordinary construction?
    • collapse
    • remodel
    • age
    • voids and pleums
    • multiple occupant use
  92. conventional construction relies on what for strength?
    size, quantity of structural members
  93. concrete is a ____-absorbs and contains heat
    heat sink
  94. lowest temp at which a fuel must be heated to start self sustained combustion without an independent heat source
    ignition temp
  95. process of liquids changing to gas from a liquid state
  96. lowest temp at which a liquid fuel will give off vapors to momentarily ignite when provided an ignition source
    flash point
  97. flashover is caused by____--
    thermal radiation feedback
  98. oxidation is exothermic or endothermic?
  99. what are the 4 types of energy?
    • chemical
    • electrical
    • mechanical
    • nuclear
  100. what is the most important kind of heat tranfer in fire growth?
  101. what does SRECEO Vs W stand for?
    • safety
    • rescue
    • exposures
    • confinement
    • extinguishment
    • overhaul
    • Venting, salvage
    • water supply
  102. at what temp does flashover occur?
    900-1100 degrees
  103. what are the 5 rx priorities?
    • closest to fire
    • largest thretened group
    • above the fire
    • general area
    • eventually exposed
  104. what are the 3 attack modes?
    • offensive
    • defensive
    • transitional
  105. what is the first rule of basement fires?
    don't spray thorugh a window with occupants inside
  106. what stage burns fuel other than full involvement?
  107. what is the last sign to get out before flashover?
  108. what is the measure of quantity of electrons moving through a conductor per second?
  109. property of electricity responsible for moving electrons (compared to pressure)
  110. Meter Set Assembly category-
    piping rising from the ground
  111. Meter Set Assembly category-
    stop or service cock
    shut off
  112. Meter Set Assembly category-
    pressure to 1/4-1/3 psi
  113. 1___bag of sawdust can absorb___of water
    • 3 ft
    • 30 gallons