Fire Suppression

Question 1

Fire suppression

Answer 1

refers to all tof the tactics and tasks that are performed on the fire scene to achieve the final goal of extinguishing fire.

Question 2

Defensive Mode

Answer 2

Used on large fires too dangerous to fight from inside.

1. exterior attack
2. First reduces the brings fire under control

Question 3

Offensive Mode

Answer 3

Interior attack quickly bringing the fire under control

Question 4

AFD Offensive

Answer 4

1. Take command
2. Do primary search
3. First line fast aggressive initial attack
4. Provide support activities (ventilation)
5. Second line back up
6. Secure water supply
7. Quickly evaluate success and react

Question 5

AFD Defensive

Answer 5

1. Take command
2. evaluate fire spread/ write off (no win)
3. ID key tactical position
4. Prioritize fire streams
5. Provide big well placed streams
6. pump water
7. quick determination on additional resources
8. surround and drown

Question 6

Straight Stream

Answer 6

greater reach than a fog stream, so it can hit the fire from farther away. Penetrates through hot atmosphere

Question 7

Solid Stream

Answer 7

Continuous column produced by a smooth bore nozzle, greater reach and penetration than a straight stream.

Question 8

AFD Car Fire

Answer 8

Fire fighter only 50 ft uphill 20ft- shocks 25ft- bumpers
Hood- 45 degree angle 1/3/4- wheel wells, chalk wheels
Passenger/driver- 90 degree angle 1/3/4- slow sweeping motion fog while approaching

Question 9

AFD Tire Fire

Answer 9

2. 5 gallons oil in tire
3. Burn it
4. Barry it
5. Drown it

Question 10

two dimensional

three dimensional

Answer 10

1. spill, pool

2. torch effect drip flow spray

Question 11

BLEVE (boiling liquid expanding vapor explosion)

Answer 11

propane specs- mercapton added for odor, propane is odorless. 270 to 1 expansion rate 1.5 to 15% flam. range.

1. ping
2. discoloration
3. bulge/bubble
4. activation of pressure relief valve
5. Increase in pressure relief valve torch

Question 12

Compressed natural gas

Answer 12

5- 15% flam. range

Question 13

Equation for GPM

Answer 13

state test- (LxWxH) divided by 100 and % of room involved
real life- (LxW) divided by 3= field
1. amount of water discharged is of sufficient volume.
2. water must actually reach the seat of the fire

Question 14

type of streams

Answer 14

1. solid
2. straight
3. fog

Question 15

Direct attack

Answer 15

uses straight or solid hose stream to deliver water directly onto the base of the fire.

Question 16

in direct attack

Answer 16

used when temp is increasing and poss. flash over is to remove as much heat as possible from the fire atmosphere.

Question 17

Combination attack

Answer 17

employs both indirect attack and direct attack methods

1. cool flash over conditions
2. advance and attack main fire body

Question 18

Master Stream devices

Answer 18

500-1000 GPM

1. deck guns
2. ground monitors
3. elevated master stream devices/ ladder pipe