Breathing Aperatus

Question 1

What are the 5 components of a PPS BA set?

Answer 1

1- FPS face Mask
2 - Cylinder
3 - Back Plate and Harness
4 - Pneumatic System
5 - ADSU

Question 2

What are the minimum crewing roles for tactical ventilation? (8)

Answer 2

1 - IC
2 - Pump Op
3 - BA x2
4 - ECO
5 - Fan Op
6 - Safety Observer
7 - FF on covering Jet

Question 3

What is the definition of a flashover?

What are the signs and symptoms of a flashover? (4)

Answer 3

In a fuel controlled fire, through a combination of radiation, convection and conduction, objects absorb heat, reach their thermal capacity and begin to pyralise simultaneously. Essentially a fire in a room becoming a room on fire.

1- sudden increase in temperature
2 - lowering of neutral plane
3 - surfaces pyrolising
4 - tongues of flame in the gas layer

Question 4

Name the contents of the ECO Kit

Answer 4

• wedges x8
• wire cutters
• ACME thunder whistle
• Emergency BA Tally
• Main Guideline Tally, A & B
• Branch Guideline Tallies 1, 2, 3, 4
• Branch Guideline Chain
• ECO Tabbard
• Comms op Tabbard
• Reversible Sector Bands x2, A, B, C, D
• Chinagraph
• Speaker mic
  MORE???

Question 5

Name the 3 stages of Tactical Ventilation in the HIOWFRS

Answer 5

1 - Post incident
2 - Defensive
3 - Offensive

Question 6

What are the 4 fire phenomena’s to be aware of

Answer 6

• Coanda effect
• Trench effect
• Porch effect
• Wind driven fires

EXPLANATIONS

Question 7

What needs to be in place for rapid deployment?

When can rapid deployment be used?

Answer 7

1x appliance
2x BA wearers
3x BA qualified personnel
4x crew members riding the appliance

When the casualty is in imminent danger, in a known location close to the entry point.

To prevent significant escalation of the incident with a quick action.

Question 8

Limitations of stage one incidents

Answer 8

• No more than 6 BA wearers deployed at any given time.
• no more than 1 entry control point
• Guidelines must NOT be used
• the building should be non-complex
• the incident is unlikely to be protracted

Question 9

Limitations of a stage 2 incident

Answer 9

• more than 6 BA wearers deployed at any one time
• more than one entry control point
• guidelines CAN be used
• complex layout
• incident likely to be protracted
• line comms CAN be used

NOTE: if any one or more of these points is met, the incident will become level 2