Fire Hazards - Q4

Question 1

IS ANY ACTIONS, MATERIALS, OR CONDITIONS THAT MIGHT INCREASE THE SIZE OR SEVERITY OF A FIRE OR THAT MIGHT CAUSE A
FIRE TO START

Answer 1

FIRE HAZARD

Question 2

Enumerate the Four (4) Elements of Fire

Answer 2

HEAT, FUEL, OXYGEN, CHEMICAL REACTION

Question 3

REPRESENTS A SELF-SUSTAINING RUN OF
REACTIONS CONSISTING OF PHYSICAL AND CHEMICAL TRANSFORMATIONS.

Answer 3

Combustion

Question 4

THE MATERIALS INVOLVED ENTER INTO REACTION WITH THE ______________ IN THEIR SURROUNDINGS, WHICH IN MOST CASES IS WITH THE OXYGEN IN THE AIR.

Answer 4

Oxidizing Agent

Question 5

REQUIRES FAVORABLE STARTING CONDITIONS,
WHICH ARE GENERALLY A SUFFICIENT HEATING UP OF THE SYSTEM THAT COVERS THE INITIAL ENERGY DEMAND OF THE CHAIN REACTION OF BURNING.

Answer 5

Ignition

Question 6

Enumerate the Five (5) Different Cases of Fire

Answer 6

Class A
Class B
Class C
Class D
Class K

Question 7

-SOLID MATERIALS SUCH AS WOOD OR PAPER, FABRIC, AND SOME PLASTICS

-ORDINARY COMBUSTIBLES

-ARE THE MOST COMMON OF THE 5 DIFFERENT CLASSES OF FIRES. THEY OCCUR WHEN COMMON COMBUSTIBLE MATERIALS LIKE WOOD, PAPER, FABRIC, TRASH, AND
LIGHT PLASTICS CATCH FIRE.

-DON’T RULE THIS CLASS OF FIRE AS LOW-RISK. IF THERE’S AN ABUNDANCE OF FUEL PRESENT, THESE FIRES CAN INTENSIFY QUICKLY. IT’S BEST TO PUT OUT A CLASS A FIRE QUICKLY BEFORE
IT SPREADS USING WATER OR MONOAMMONIUM PHOSPHATE.

Answer 7

Class A

Question 8

-LIQUIDS OR GAS SUCH AS ALCOHOL, ETHER, GASOLINE, OR GREASE

-FLAMMABLE LIQUIDS

-INVOLVE FLAMMABLE LIQUIDS AND GASES, ESPECIALLY FUELS LIKE PETROLEUM OR PETROLEUM-BASED PRODUCTS SUCH AS GASOLINE, PAINT, AND KEROSENE. OTHER GASES THAT ARE HIGHLY FLAMMABLE ARE PROPANE AND BUTANE. THE BEST WAY TO DEAL WITH THESE TYPES OF FIRES IS BY
SMOTHERING THEM OR REMOVING
OXYGEN USING FOAM OR CO2 FIRE
SUPPRESSION EQUIPMENT.

Answer 8

Class B

Question 9

-ELECTRICAL FAILURE FROM APPLIANCES, ELECTRONIC EQUIPMENT, AND WIRING

-ELECTRICAL EQUIPMENT

-ARE COMMON IN FACILITIES THAT MAKE HEAVY USE OF ELECTRICAL EQUIPMENT, BUT
THEY CAN OCCUR IN A WIDE RANGE OF INDUSTRIES. FOR EXAMPLE, DATA CENTERS MIGHT BE AN OBVIOUS RISK AREA. THEY MUST HAVE SAFEGUARDS IN PLACE TO DEAL
WITH ELECTRICAL FIRES.

Answer 9

Class C

Question 10

-METALLIC SUBSTANCES SUCH AS SODIUM, TITANIUM, ZIRCONIUM, OR MAGNESIUM

-METAL

Answer 10

Class D

Question 11

-GREASE OR OIL FIRES SPECIFICALLY FROM COOKING

-COOKING

Answer 11

Class K