Fire Prevention & Protection Flashcards

1
Q

What causes death from fires?

A
  • Direct Contact
  • breathing toxic gases and smoke
  • suffocation due to oxygen deprivation
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2
Q

What are sources of fire/explosion?

A
  • flammable, & combustible liquids
  • Flammable liquids are more dangerous because they have a flashpoint under 100°F and can produce ignitable mixtures at a lower temperature
  • spontaneous combustion
  • Heat from hot surfaces
  • Flammable gases, reactive gases, toxic gases, liquefied compressed gases, etc,
  • chemicals used in: process, by-products of a reaction, or in final process products
  • spray finishing (Spray booth, ventilation, storage & handling)
  • Powder coating
  • Dip tank
  • oil Quenching
  • Flammable, and combustible liquids
  • Spontaneous combustion
  • Heat from hot surfaces
  • Degreasing
  • Ammonia,
  • Electroplating
  • gas nitriding
  • Riding, polishing and buffing
  • Petroleum, refineries
  • Shell molding
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3
Q

How do you reduce fire hazards?

A

The key is prevention

  • prohibit smoking near possible fuels
  • Store fuels away from electrical sparks. Example: from tools, equipment, wiring, or lightning.
  • Clean up flammable liquid spills
  • Keep work areas free from extra supplies of flammable material
  • local and state fire codes limit the amounts of flammable and combustible liquids that can be stored in various locations
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4
Q

What is a type of storage container?

A

Safety can:
* a listed container of under 5.3 gallons
* a screen or strainer in each fill and pour opening
* a spring closing lid and spout cover

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5
Q

What is a storage cabinet?

A
  • we’re great quantities of liquids are needed
  • to prevent fire from reaching the contents for 10 minutes
  • Cabinet meet specific construction (sheet steel, and wooden)
  • Under 60 gallons category, one, two, three: under 120 gallons category four maybe stored
  • “Flammable – keep fire away”, sign
  • Venting: not required under OSHA/NFPA. But state and local authorities having jurisdiction may require venting .
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6
Q

What are storage areas?

A
  • in an approved cabinet in a cool, well ventilated area to avoid pressure buildup and vaporization
  • at least one fire extinguisher in the area
    • Large storage supplies: a fire protection system installed and must be approved for this use
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7
Q

What are some precautions to take with flammable liquids?

A
  • some flammable liquids: benzene, toluene gasoline, xylene
    • Tends to accumulate a static electric charge
    • bond metal dispensing and receiving together before pouring
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8
Q

What is passive fire protection (PFP)?

A

components used to compartmentalize a building in order to keep a fire from spreading or resist the initial ignition

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9
Q

What is active fire protection?

A
  • action to work/action in order to put out a fire
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10
Q

How do you work together in fire protection?

A

alerting people inside of a fire and safely containing the fire so that peopl may evacuate and/or try to suppress the fire

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11
Q

What are the different classes of fire?

A

Class A, B, C, D, K

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12
Q

What is a class A fire?

A

fire involves ordinary combustible materials such as paper, wood, and textile fibers

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13
Q

What is a class B fire?

A

fire involving flammable liquid, such as gasoline, thinners, oil-based paints, and greasers

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14
Q

What is a class C fire?

A

fire involving electrically energized equipment

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15
Q

What is a class D fire?

A

fire involving combustible metals, such as magnesium, sodium, potassium, titanium, and aluminum

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16
Q

What is a class K fire?

A

fire involving combustible metals, such as magnesium, sodium, potassium, titanium, and aluminum

17
Q

What is a sprinkler system?

A
  • use water to control and extinguish
    • For many water is effective
    • Less expensive to operate
18
Q

What is a fire suppressive system?

A
  • use gaseous, chemical, or foam to suppress
    • area where water can damage benefit
    • Effective to highly combustible substances, such as oil and gas
19
Q

What are the different types of gas based systems?

A

-Carbon dioxide
-clean agents
-inert gases
-halon (banned)

20
Q

What are the different types of extinguishing agents?

A

Dry chemical, foam, carbon dioxide, water mist, clean agent(!)

21
Q

What is a dry chemical extinguishing agent?

A

cheap & dirty

22
Q

What is a foam extinguishing agent?

A

-water, foam, air, cleanup.
-toxic to wildlife

23
Q

What is a carbon dioxide extinguishing agent?

A

lethal, can no longer use

24
Q

what is a water mist extinguishing agent?

A

less water

25
Q

What is a clean agent extinguishing agent?

A

-Gas, no residue, electrically, non-conductive
-best choice