Fireground Flashcards

1
Q

The command when throwing something down from the top of a ladder

A

Stand from under

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2
Q

The command to notify the person at the top of the ladder that the object is ready to lift.

A

Haul aloft

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3
Q

Ladder Comands from start to finish

A
  1. Prepare to slip
  2. Slip
  3. Heel to building
  4. Sight the heel.
  5. Prepare to underrun
  6. Underrun
  7. Prepare to extend
  8. Extend
  9. Head in
  10. Foot the ladder ( then step back and inspect ladder pitch )
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4
Q

What are the different type of knots used in Humberside

A

Overhand Knot, Half Hitch, Clove Hitch, Rolling Hitch, Round Turn 2 Half Hitches, Bowline and Figure of Eight

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5
Q

What does the command still mean and who can use it

A

Used in an emergency for crews to stop what they’re doing immediately and can be used by any crew member or officer in charge

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6
Q

What does the command Rest mean and who can use it

A

Can only be used by instructor to point out a mistake within the crew

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7
Q

What are the different risk assessments carried out by firefighters and explain them

A

Dynamic Risk Assessment ( Continuous assessment of risk in rapidly changing circumstances )

Generic Risk Assessment
( Deals with a task or process common within Fire service e.g. repsonding to incidents, station cleaning )

Specific Risk Assessment
( Deals with a task or process not commom within the fire service e.g. repairing of PPE )

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8
Q

3 Types of Fire service hose

A

Delivery, Suction and Hose reel

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9
Q

What are the diameters of delivery hose

A

25m In length and either 45mm or 70mm in diameter

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10
Q

Materials and measurements of Suction hose

A

The hose is made up of Nylon and Plastic and comes in either 2.4m or 3m lengths. They will usually have internal diameter of 100mm or 140mm

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11
Q

Different types of couplings

A

Standard instantaneous couplings ( male + female used on delivery )

Suction hose couplings
( 100mm or 140mm diameter )

Macdonald couplings
( Used on hose reel tubing , press and twist to release )

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12
Q

Different types of branches

A

A type branch, Hand controlled branches including Akron, Diffuser, Hose reel and portable monitors

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13
Q

2 classes of pumps

A

Positive displacement
(Pumps both liquids and gasses)

Non-positive
(Pumps only liquids. Needs air removed aka priming)

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14
Q

2 Common pumps used within the fire service

A

Centrifugal pumps and peripheral pumps

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15
Q

What is atmospheric pressue and how much is it

A

Atmospheric pressure is the exerted weight on the earths surface.

Atmospheric pressure is 0.1bar per meter needed to travel upwards

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16
Q

Factors which affect the ability to lift water with a pump are:

A

Atmospheric pressure

Creating flow in the water

Raising the water

Overcoming frictional loss from hose and strainers

Turbulence as water enters impeller ( called entry loss )

17
Q

What is maximum suction lift

A

Theortical 10m

but due to limiting factors

Practical lift is 8m

18
Q

Name what comes under fire classes

A:
B:
C:
D:
F:

A

A: Fires involving solid materials
B: Fires involving liquids
C: Fires involving gasses
D: Fires involving metals
F: Fires involving fat and cooking oils
Bonus: Electrical fires

19
Q

What is a red fire extinguisher

A

Red is water

20
Q

What is a pale cream fire extinguisher

A

Pale cream is foam

21
Q

What is a blue fire extinguisher

A

Blue is dry powder

22
Q

What is a black fire extinguisher

A

Black is CO2

23
Q

What is a canary yellow fire extinguisher

A

Canary yellow is wet chemical