DRRR lesson 2

Question 1

Can help you take all of the science knowledge you’ve just gained, and use it to prevent fires and keep people safe

Answer 1

THE FIRE TRIANGLE

Question 2

THREE PARTS OF THE FIRE TRIANGLE:

Answer 2

-Oxygen
-Heat
-Fuel

Question 3

Causes of fire:

Answer 3

a.) Faulty electrical wiring or connection
b.) LPG- related
c.) Neglected cooking or stove
d.)cigarette butt
e.) Unattended open flame: torch or sulo

Question 4

CLASSIFICATION OF FIRE

Answer 4

Class A
Class B
Class C
Class D
Class K

Question 5

Fuels are ordinary combustibles such as wood, paper, plastic, or anything that leaves ash.

Answer 5

CLASS A fire

Question 6

Fuels are FLAMMABLE or COMBUSTBLE LIQUIDS like petroleum oil, gasoline, paint, and flammable gasses such as propane and butane.

Cooking oils and grease are NOT part of Class B fires

Answer 6

CLASS B fire

Question 7

Fuels are ENERGIZED ELECTRICAL FIRES like motors, transformers, and appliances.

Once the power or source of electricity is removed, the fire becomes one of the other classes of fire

Answer 7

CLASS C fire

Question 8

Fuels are COMBUSTIBLE METALS like potassium, sodium, aluminum, titanium, and magnesium

Answer 8

CLASS D fire

Question 9

Fuels are COOKING OILS, grease such as animal fat and vegetable fts.

Answer 9

CLASS K fire

Question 10

Is all around you. It is an important part of atmosphere

Answer 10

OXYGEN

Question 11

Can come from things like fireplaces, lamps, and ovens

Answer 11

HEAT

Question 12

Is something that can catch on fire, meaning it is FLAMMABLE

Answer 12

FUEL

Question 13

Precautionary measures

Answer 13

For heat
For fuel
For oxygen

Question 14

precautionary measures FOR HEAT

Answer 14

Make sure that materials that could easily warm up are not near sources of heat.

Question 15

precautionary measures FOR FUEL

Answer 15

recount the different types of fuel discussed in the classes of fire. Make sure that these materials are organized and do not have any contact with other combustible materials.

Question 16

precautionary measures FOR OXYGEN

Answer 16

Presence of oxygen in air can be regulated. Ensure that the area in which you will be starting your fires are well ventilated.

Question 17

PHASES OF FIRE

Answer 17

-Ignition
-Growth
-Fully developed
-Decay

Question 18

Also known as INCIPIENT

Answer 18

Ignition

Question 19

2 types of ignition:

Answer 19

Piloted ignition
Auto ignition

Question 20

fuel with oxygen plus external heat source (spark)

Answer 20

Piloted ignition

Question 21

-Combustion by heat WITHOUT spark or flame

-Smoke and heat is produced and is not high in temperature

Answer 21

Auto ignition

Question 22

-Also known as free burning phase

-Breathing becomes difficult and Fire influence the environment and is influenced by the environment

Answer 22

Growth

Question 23

-Hottest phase of fire

-Fire is now dependent on the amount of oxygen

-Spread of flammable gasses within the area

Answer 23

Fully developed

Question 24

-Also known as the smoldering phase

-Usually the longest stage of a fire

-Characterized by significant decrease in oxygen and fuel

Answer 24

Decay

Question 25

TYPES OF BURNS

Answer 25

1st degree
2nd degree
3rd degree

Question 26

-Cool a burn

Hold burn under running cool tap water

Answer 26

First degree

Question 27

Cool a burn and see if the burn is large or blisters are damaged.

Answer 27

second degree

Question 28

Dont remove clothing from burn area and go to emergency room immedietely

Answer 28

Third degree