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Fire Brigade training > RFT > Flashcards

RFT Flashcards

1
Q

3 types of auto sprinklers?

A

Wet system
Dry system

Alternate system (wet or dry)

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2
Q

Factors (3) that influence the ICs decision in firefighting?

A

Locating the fire

Smoke travel

Weight of attack

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3
Q

When inside a fire compartment, how should firefighters keep check on their surroundings and fire gasses?

A

Branch operater looks above and in front

Other team members check above and behind, (for exit)

The TIC should be used to asses conditions as progress is made

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4
Q

What is a compartment?

A

Enclosed space within a building or structure, which is capable of allowing a fore to develop and contain the products of combustion

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5
Q

Where should a firefighting lift be stopped when used?

A

Minimum of 2 floors below fire

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6
Q

Two types of gas extinguishing systems?

A

Total flooding system

Local application system

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7
Q

3 water application techniques of water?

A

Indirect

Direct

Gas cooling

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8
Q

2 different techniques of pulse spraying?

A

Short pulse

Long pulse

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9
Q

Advantages of using rising mains?

Dry/wet risers

A

Reduces amount of hose needed

Reduced friction loss

Reduces equipment needed

Leaves staircases free of hoses

Reduces effort required by crews to supply water to jets

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10
Q

Buildings over 18m must have dry riser installed.

A

.

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11
Q

2 things a crew member must do upon being sent to the main stop valve of a sprinkler system?

A

Ensure the valve is NOT CLOSED, except on orders of IC

OPEN the valve, on the orders of the IC

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12
Q

Indications that it may be necessary to withdraw from fore compartment? (5)

A

Rising temperatures (TIC)

Unable to extinguish flames in gas layer

Descending neutral plain

Increased fire development

Reduced visibility

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13
Q

Buildings over what height have WET risers installed?

A

60m

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14
Q

What pressure should a dry riser initially be charged to?

A

10 bar

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15
Q

How many pumping appliances are sent to an incident as standard?

A

At least 2

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16
Q

What is a fire survival guidance call? (FSG)

A

A call made by an occupant of a building on fire that beloved that they can not escape. They stay in the phone with control officer who gives advice

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17
Q

4 stages of fire progression?

A

Developing fire stage

Flashover stage

Fully developed stage

Decay stage

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18
Q

5 main types of auto fire alarm detector heads?

A

Ionisation

Optical

Radiation

Heat

Sampling detector

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19
Q

Turning over and damping down?

A

Ensuring a fire is completely extinguished, and all small pockets of fire have been put out

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20
Q

3 types of fire phenomena that pose hazard to firefighter?

A

Flashover

Backdraft

Fire gas ignition

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21
Q

Two pressure gauges fitted to sprinkler system?

A

Supply gauge

Installation gauge

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22
Q

How can firefighters identify location of a fore from outside of building?

A

Gather all info from witnesses

Consult auto fore alarm panel and see location of detector heads that have actuated

Look around the building for signs of fire

Feel for hot doors or walls

Smell, or odours

Listen for crackling

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23
Q

3 main application techniques of water?

A

Direct

Indirect

Gas cooling

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24
Q

Prior to entry into a compartment, what must crews do?

A

Let other crews in vicinity know

Stay low

Set branch to narrow spray

Position branch in readiness of door opening

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25
Q

2 types of sprinkler head?

A

Quartzoid bulb

Fusible link

26
Q

Considerations an IC must take into account to ensure the safety of firefighters? (6)

A

Life risk

Access

Construction

Fixed installations

Fire growth

Contents

27
Q

Two types of flames?

A

Diffused

Premixed

28
Q

3 functions of all sprinklers?

A

To detect fire

At attack fire

To give audible warning

29
Q

Signs that a flashover may occur?

A

A ventilated fire with adequate oxygen supply

Flames visible in gasses on ceiling level

Combustible materials gassing in room due to pyrolysis

High temp and increasing rate of combustion

Neutral plane moveing down

Sudden increase in fire delvelopment

Pyrolysis at floor level of room

Increased turbulance at neutral plane

30
Q

Maximum pressure that fixed hose reels are?

A

8 bar

31
Q

Actions that just be taken when arriving to an incident involving gas extinguishing fixed installations?

A

Doors should not be opened until IC Is satisfied fire is out

Equipment should be laid out and ready to use should fire re occur

Any rooms only enterd by crews wearing BA

Before entering, if system has not been actuated, the system should be switched to manual

32
Q

What is a nominal roll board?

A

Carries on each appliance and identify the appliance and the riders

33
Q

Two tactical modes?

A

Offensive. Oscar

Defensive. Delta

34
Q

What is “the weight of attack”?

A

The number of jets, flow settings, size of hose

35
Q

Forward information board? (FIB)

A

Carried on all pump ladders,

Records location of bridgehead, sector command point, forward command point

36
Q

Ideal mixture?

A

Between upper and lower explosive limits.

Fuel burns most efficiently when there is an ideal mixture

37
Q

4 stages of fire development?

A

Fire progression

Flashover stage. (Transition)

Fully developed

Decay

38
Q

What is the coanda effect?

A

Fire traveling externally on high rise

39
Q

3 basic fire fighting facilities in high rises?

A

Firefighting shafts

Dry or wet risers

A fire lift

40
Q

Modern high rise structures firefighting features? (10)

A

Firefighting lobby

FF shaft

Stair pressure system

Communications systems

Floor display plan

Fire control centre

Atrium

Crossover floors

Sprinkler systems

Combined heating, ventilation and air conditioning(HVAC)

41
Q

Where should a bridgehead in a high rise fire be?

A

At least 2 floors below fire

42
Q

What items should be taken to the bridge head in a high rise incident? (10)

A

45mm hose

2 branches

ECB

2 BA sets

IEC pack

Long line

Breaking in gear

TIC

Access keys/codes

Floor plans if available

43
Q

4 sectors of a high rise incident?

A

Search sector - above fire sector

Fire sector - floors involved in fire

Bridgehead - 2 floors below fire

Lobby sector - between ground floor and bridgehead

44
Q

Operation range of TIC?

A

40-1000 Celsius

Mesures heat of object not air temp

45
Q

TIC battery operating time?

A

3.5 hours

46
Q

TIC inspection frequency?

A

On acceptance

After use

Monthly (swap batteries)

Anually

Should also be switched on and check for use and charge,

Before use

At change of watch

47
Q

Define ventilation?

A

The removal of heated air, smoke or other airborne contaminates from a structure, and their replacement with a supply of fresher air

48
Q

3 ways a fire can be ventilated?

A

Self ventilation

Automatic ventilation

Tactical ventilation

49
Q

Benifits of tactical ventilation? (6)

A

Assist escape of occupants and firefighters by restricting spread of smoke

Improve conditions

Speed up rescue and fire attack by reducing heat and smoke

Reduce fire spread and property damage

Improve visibility

50
Q

3 stages of fire when tactical ventilation can be used?

A

After arrival of LFB but before control is achieved

After control but before extinction

After fire extinction

51
Q

2 types of tactical ventilation?

A

Offensive

Defensive

52
Q

Inlet vents should be twice the size as outlet vents when using tactical ventilation

A

Outlet vents should be made first

53
Q

What is a special service incident?

A

Incident attended by LFB that does not involve a fire or suspicion of fire

54
Q

4 types of special services that account for 75% of them?

A

Flooding
Persons locked in
Making structures safe
Efficient entry

55
Q

Powers of firefighter in emergency? (5)

A

Enter premises without owners permission

Move vechicles without owners permission

Close highways in interest of safety following emergency

Stop and regulate traffic in emergency

Restrict persons entering premises

56
Q

Special services subject to charges?

Examples

A

Use of authority equipment to supply or remove water

Clearing flooded premises

Making structures safe, where there is no risk to personal injury to the public

Any service classified as miscellaneous

Incident involving chemicals/ hazardous materials occurring other than in domestic locations

57
Q

Four stations where large animal rescue equipment is based?

A

Wembley

Erith

Dagenham

Wandsworth

58
Q

Where are OSUs (operational support units) based around London?

A 
Sutton 
Finchley
Stratford 
Ealing 
Wandsworth
Lee green
59
Q

ORD?

A

Operational risk database

60
Q

MDT

A

Mobile data terminal

Fire Brigade training (13 decks)

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