Fire fighting techniques

Question 1

Branch settings – Flow rate

Answer 1

Delta Attack 400-S-Pro – 130, 230, 300 or 400 lpm

Question 2

Standard setting for Delta Branch

Answer 2

230 - LPM

Question 3

Standard setting for Hose reel Branch

Answer 3

110 - LPM

Question 4

Branch Settings Depend on a number of factors:

Answer 4

• The size of the compartment
• The depth of the penetration required
• The size of the fire

Question 5

What Length of pulsation should be used:

Answer 5

Dependent on the size of the fire

Dependent on the size of the compartment

Question 6

Explain Direct

Answer 6

Narrow cone used directly onto the seat of the fire.

Can be used from inside or outside of fire compartment.

Question 7

ADVANTAGES for Direct

Answer 7

Extinguishes the fire directly.

Compartment entry not necessarily required

Question 8

DISADVANTAGES

of Direct

Answer 8

Can produce large quantities of steam which may lower the neutral plane.
Entrains air into the compartment intensifying the fire if not used correctly

Question 9

The Advantages

Painting the fire

Answer 9

Prevents flammable gases being produced.

Extinguishes fire directly

Question 10

The Disadvantages Painting the fire

Answer 10

Firefighters need to be close to the object to paint it

Question 11

Explain Indirect application

Answer 11

The tactic of applying water indirectly by deflecting a solid jet of water onto the fire via the walls or ceiling

Question 12

ADVANTAGES for Indirect application

Answer 12

Extinguishes the fire.
Cools structure of the compartment.
Compartment entry not necessarily required

Question 13

DISADVANTAGES

of Indirect application

Answer 13

Worsens conditions for firefighters and casualties.

Neutral plane will descend

Question 14

Pulse Spray is the branch technique used in London Fire Brigade for what purpose

Answer 14

compartment fires

Question 15

Where did pulse spray originate from

Answer 15

It is originally of Swedish origin and was first taught in the UK to Devon Fire and Rescue Service.

Question 16

Gas Cooling method is used to:

Answer 16

To make safe the approach to the seat of the fire & reduce the likelihood of Flashover, Backdraught & Fire Gas Explosions

Question 17

Size of cone for pulse spraying

Answer 17

20-30 degree cone

Question 18

The effects of Pulse Spraying

Answer 18

The fire gases will be diluted, taken out there flammable range, reducing temperature and raising the neutral plane.

Question 19

Advantages of Gas Cooling

Answer 19

Cools and dilutes gases in the immediate vicinity of the firefighters.
Extinguishes flames above the neutral plane (long pulse)
Temperature check

Question 20

Disadvantages

of Gas Cooling

Answer 20

Teams must enter fire compartment

Question 21

Name 3 Methods of attack:

Answer 21

Direct
Indirect
Gas cooling