BA 2

Question 1

what is compress air breathing apparatus cylinder made from

Answer 1

carbin fibre wrapped in seamless aluminium liner

Question 2

SDBA cylinder has capacity of?

Answer 2

8 litres of water and contains 2160 of compressed air when fully charged at 300 bar

Question 3

how often is cylinder hydraulically tested?

Answer 3

every five years to 450 bar

Question 4

how much does cylinder weigh and what is its life span?

Answer 4

8.5kg and 30 year life span

Question 5

why is the cylinder valve ease of use?

Answer 5

its right angled

Question 6

how many BA sets on two appliance station?

Answer 6

9 BA sets anf 1 reserve

Question 7

safety precaustion cylinder 1-5

Answer 7

1.
Must have yellow cover when attached to BA set
2.
Transported in purpose built
boxes/racks with blank caps fitted
3.
Only carry one cylinder at a time
4.
Carry at arm’s length, with grip around neck not covering valve
5.
Cylinder valve opening directed away from you and others

Question 8

safety precautions cylinder 6-9

Answer 8

6.
When taking off horizontal rack slide forward and support undersid
e
7.
Never fully empty cylinder as corrosive moisture can build up inside
8.
Do not remove stick on labels
9.
All cylinders identified by individual barcode

Question 9

why might cylinder be defective?

Answer 9

1.
The body is scored (scratching is inevitable)
2.
Valve assembly or outlet thread is dama
ged
3.
Hydraulic test is out of date (Tested every 5 years, don’t use within 28 
days of next test)

Question 10

what is

what is fitted to neck of SDBA cylinder

Answer 10

Collar, colour coded to each charging room and must be charged at that location

Question 11

to test the cylinder?

Answer 11

1.
Test using cylinder contents gauge
2.
Pressure must be above 270 BAR
3.
Close the valve
4.
Release the pressure
5.
Remove the gauge

Question 12

to change the cylinder?

Answer 12

1.
Take to BA maintenance room
2.
Remove used cylinder and cover
3.
For SDBA chalk M/T on black shoulder
4.
Test cylinder pressure with contents gauge
5.
Don’t fit cylinders to BA if less than 270 bar
6.
Refit cover and connect cylinder, avoid cross
-
threading
7.
Secure cylind
er retaining strap
8.
(Can change at incident without contents gauge)

Question 13

what does BA personal line do?

Answer 13

Allows BA wearers to maintain contact and when guide lines are used to
proceed and search

Question 14

specs of ba personal line

Answer 14

6m long, D ring 1.25m from running end

divided into two sections

Question 15

what can BA personal line be used for?

Answer 15

Can be used as short personal line
of 1.25m or by freeing up D ring from
Tenax clip, as a long personal line of 6m

Question 16

when is the personal line tested?

Answer 16

1.
On receipt
2.
When allocated to wearer on station
3.
When allocated to wearer at incident
4.
After use
5.
Every 28 days

Question 17

what are BA cable cutter made from?

Answer 17

hardened tempered steel

Question 18

what European standard is cutter made to?

Answer 18

European standard of 1000v AC and 1500v DC

Question 19

how many cutter per BA set

Answer 19

1 per BA set and 1 in RPE spares box

Question 20

when do you test the cutters?

Answer 20

est the cutters
\:
1.
On receipt
2.
During the A and B Test
3.
After use