Cylinder Procedure (PN 376) Flashcards Preview

GMAC 2019 > Cylinder Procedure (PN 376) > Flashcards

Flashcards in Cylinder Procedure (PN 376) Deck (50)
Loading flashcards...
1

How do you spell asettlene?

A C E T Y L E N E

2

At a cylinder incident what is our first consideration?

LIFE

3

Failure of a steel cylinder will result in fragments being thrown how far?

200 Metres

4

How big might a fireball of flammable gases be if a cylinder fails?

25 Metres

5

What is a BCGA CP?

British Compressed Gas Association Competent Person

6

What does CAP stand for?

Cylinder Assessment Process

7

Where is their a CAP aide memoir?

No 6 with BA board

8

BA must be worn within how many M’s of cylinder?

25 Metres

9

Which cylinders which are alight may be turned off?

Those alight from the valve group inlet/outlet, not those alight from the neck of the cylinder

10

What should a FF consider USING when approaching cylinders? And what are they likely to set up?

Substantial Cover
A Cooling Jet

11

How long must an Acetylene cylinder be cooled?

Min 1 hour then CAP tested

12

At what temperature does a steel cylinder lose its tensile strength?

300 degrees C
(200 - 250 for Aluminium)

13

How is an Acetylene cylinder designed to fail?

Ductile mode - along its length

14

When are cylinders at greatest risk of failure?

When there is direct flame impingement

15

What are the four types of cylinder construction?

Welded cylinders (2 steel parts welded together)
Drawn steel (1 part)
Aluminium Cylinders
Composite Cylinders (resin and woven fabric sometimes wrapped around an aluminium lining

16

Gases can be? (4)

Flammable
Toxic
Corrosive
Asphyxiant

17

What 3 particular types of premise might be reasonably assumed to contain cylinders?

Railway Arches
Vehicle Workshops
Building Sites

18

Why apply a cooling Jet?

Restores Tensile Strength

19

What 2 things must be considered with cylinders not yet involved?

Remove and protect with Jets

20

What 3 things may indicate that a cylinder has not been involved in fire?

Intact paper labels and plastic rings
Undamaged hoses
Paint not blistered or blackened

21

** Composite cylinders are most commonly used for domestic purposes such as BBQs. What happens if a composite cylinder fails?

Intensifies the fire

22

Is the Hazard Zone the same as the Exclusion Zone?

No

23

What should Message include? (5)

.... x ..... kg ............ cylinders involved, cylinder procedure being implemented, RVP

24

What is the Cylinder Assessment Procedure?

Stop cooling after 1 hour
Monitor with TIC & record Temperature
Look for Violent Steaming
Leave for 15 minutes
Apply momentary spray and repeat x 4 (total of 1 hour)
If it fails at any time reapply cooling Jet for 1 hour and start again.

25

After the 1st CAP test who can reduce the HZ and why?

The HMEPO to carry out URGENT fire service work but 3 more tests must be completed.

26

What is Aircooling?

Cylinder left to stand (requires more frequent CAP tests

27

Does steam off a cylinder always indicate a problem?

No, on a warm day compare to other metal surfaces

28

If a ‘Hot spot’ is identified during CAP process what should be done?

Water Cooling recommenced

29

What colour denotes Acetylene?

Maroon

30

What Colour denotes Oxygen?

White