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40 Cards in this Set

  • Front
  • Back

What colour is a water extinguisher?

Red

How much water is in a water extinguisher?

9 ltrs

What class of fire is a water extinguisher used for?

Class A (cooling)

What is a water extinguisher made from?

Welded stainless steel.

What is a water extinguisher pressurised with and what is the kPa?

Pressurised with air or inert gas to 700kpa

What is the operation of all extinguishers?

P.A.S.S


Pull pin


Aim


Squeeze


Sweep

What is the discharge time and range for a water extinguisher?

1 minute


6m

What is required for maintenance of a water extinguisher?

Check condition (visual inspection), locking pin, test date and cylinder pressure. (700 kPa)

What safety considerations are there when using a water extinguisher?

PPE

What colour is a Co2 extinguisher?

Red with black stripe.

What colour is a Co2 extinguisher?

Red with black stripe.

What classes of fire is a Co2 extinguisher used for?

Class B and E fires.


(Also has limited applications for class A fires.)

What classes of fire is a Co2 extinguisher used for?

Class B and E fires.


(Also has limited applications for class A fires.)

What is a Co2 extinguisher made from?

Drawn steel

What classes of fire is a Co2 extinguisher used for?

Class B and E fires.


(Also has limited applications for class A fires.)

What is a Co2 extinguisher made from?

Drawn steel

What is inside a Co2 extinguisher?

Co2 gas in liquid form.

What classes of fire is a Co2 extinguisher used for?

Class B and E fires. (Smothering- displace oxygen)


(Also has limited applications for class A fires.)

What is a foam extinguisher pressurised with and what is the kPa?

Pressurised with air.


700kpa

What is inside a foam extinguisher?

8.4 ltr water and 0.6 ltr AFFF concentrate.


(9 ltr AFFF solution total)

What is the discharge time and range of a foam extinguisher?

45 seconds


5 meters

What maintenance is required for a foam extinguisher?

Check condition (visual inspection), locking pin, test date and pressure. (700 kPa)

What safety considerations are there when using a foam extinguisher?

PPE

What colour is a dry chemical extinguisher?

Red with white stripe.

What classes of fire is a dry chemical extinguisher used for?

Class A, B, C, and E fires.


(Interrupts chemical chain reaction)

What is a dry chemical extinguisher made from?

Welded stainless steel

What is inside a dry chemical extinguisher?

9kg of mono ammonium phosphate.

What is a dry chemical extinguisher pressurised with and what is the kPa?

Pressurised with nitrogen to 1350 kPa.

Describe the construction of a Co2 extinguisher.

Drawn steel cylinder, non conductive director horn. Safety valve operates at 17.2 MPa.

What is the discharge time and range of a dry chemical extinguisher.

45-60 seconds


3-4 meters

What maintenance is required for dry chemical extinguishers?

Check condition (visual inspection), locking pin, test date and cylinder pressure. (1350 kPa)

What’s after considerations are there when using a dry chemical extinguisher?

PPE


Breathing difficulties in confined spaces.


May cause initial flare up.


Chance of reigniting.

What is inside a Co2 extinguisher?

Co2 gas in liquid form.

What is the discharge time and and range for a Co2 extinguisher?

15 seconds


1-2 meters

What is the vapour density and expansion ratio of Co2?

1.5


450:1

What maintenance is required for a Co2 extinguisher?

Check condition (visual inspection), locking pin and test date.

What safety considerations are there when using a Co2 extinguisher?

PPE.


Use BA when operating in confined space.


Cold burns from horn.

What colour is a foam extinguisher?

Red with blue stripe.

What classes of fire is a foam extinguisher used for?

Class. A, B and C fires.


(Also limited applications for class F fires)

Describe the construction of a foam extinguisher.

Welded stainless steel with an aspirating nozzle.