BA cylinders

Question 1

BA cylinders

What is the ‘working duration of a SDBA set?

Answer 1

31 Mins

Question 2

BA cylinders

What is the safety margin duration of an SDBA set?

Answer 2

12 Mins

Question 24

BA cylinders

When is it accepatable to test a SDBA cylinder without a contents gauge?

Answer 24

Cylinders can be changed at an incident without using a contents gauge.

Question 30

BA cylinders

What capacity (water volume) is an SDBA cylinder?

Answer 30

8 Litres

Question 31

BA cylinders

What are the charged contents of a SDBA cylinder?

Answer 31

Contains 2160 litres of compressed breathable air when charged to 300 bar.

Question 32

BA cylinders

How frequency are SDBA & EDBA cylinders hydraulically tested?

Answer 32

Every 5 Years

Question 33

BA cylinders

What is the design life of a SDBA cylinder?

Answer 33

30 Years

Question 34

BA cylinders

What gives a BA cylinder its strength?

Answer 34

To give the cylinder the desired mechanical strength and light weight the liner is over-wrapped
with carbon fibre and then a layer of glass fibre is applied over the carbon to enhance the
resistance to abrasion and cut damage.

Question 35

BA cylinders

What is a BA cylinder constructed of?

Answer 35

Aluminium & carbon

Question 36

BA cylinders

Where would you find the hydraulic test date?

Answer 36

It’s a printed label on shoulder of cylinder

Question 37

BA cylinders

What do the black & white shoulders on a BA cylinder denote?

Answer 37

Black and white painted shoulders (denotes breathable air).

Question 38

BA cylinders

How must BA cylinders be transported

Answer 38

Cylinders are only to be transported in purpose built boxes/racks and fitted with red protective plastic blank cap.

Question 39

BA cylinders

How must a BA cylinder be carried?

Answer 39

Personnel must only carry one cylinder at a time. They should be carried vertically ensuring that a firm grip is taken around the cylinder neck

Question 40

BA cylinders

How should a cylinder cover be cleaned?

Answer 40

If the cylinder cover requires cleaning, the outside of the cover should be washed using warm water and mild detergent. Stubborn marks can be removed using a nail brush.

Question 41

BA cylinders

What capacity (water volume) is an EDBA cylinder?

Answer 41

Cylinder volume is 6.8 litres x 2 (water capacity

Question 42

BA cylinders

What are the charged contents of a EDBA cylinder?

Answer 42

Contains 3672 litres of compressed breathable air when charged to 300 bar.

Question 43

BA cylinders

What is the design life of a EDBA cylinder?

Answer 43

The Design life is 15 years.

Question 44

BA cylinders

What must a EDBA cylinder have before fitting to a set?

Answer 44

EDBA cylinders must have an orange cylinder cover fitted when on a BA set.

Question 45

BA cylinders

How many EDBA cylinders packs is it acceptable to carry at once?

Answer 45

Personnel must only carry one cylinder pack at a time. The twin cylinder pack should be carried by the ‘handle’ fitted to the cylinder valve.

Question 46

BA cylinders

What are your actions if when carrying out a cylinder acceptance test The body of the cylinder(s) is scored so as to reveal the carbon fibre matrix?

Answer 46

Treat the cylinder as defective !

Question 47

BA cylinders

Is it acceptable to empty the remains of a used cylinder?

Answer 47

NO, Never fully empty a cylinder, as this will allow contaminants and/or moisture to enter the cylinder.

Question 48

BA cylinders

What are your actions if when carrying out a cylinder acceptance test The valve assembly or outlet thread is damaged or contaminated with dirt/debris.?

Answer 48

Treat as defective !

Question 49

BA cylinders

What are your actions if when carrying out a cylinder acceptance test The hydraulic test is out of date ?

Answer 49

Treat as defective !

Question 50

BA cylinders

What are your actions if when carrying out a EDBA cylinder acceptance test the carrying handle is damaged ?

Answer 50

Treat as defective !

Question 51

BA cylinders

How should an assembled EDBA set be carried?

Answer 51

Lifting and carrying the assembled EDBA set with its cylinder pack fitted is a two person lift.