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Flashcards in Chapter 7 Deck (62)
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1

List the symbol, colour and materials for a class D extinguisher

  • Star
  • Yellow
  • Combustible Metals (Magnesium, Sodium, Lithium, Potassium, Titanium, Zirconium)

 

2

List the symbol, colour and materials for Class B extinguishers

  • Red
  • Square
  • Greases, Oils, Solvents, Flammable and Combustible liquids

 

3

List the symbol, colour, and materials for a Class A extinguisher

 

  • Triangle
  • Green
  • Wood, Cloth, Paper, Rubber, Plastics

 

4

List the symbo, colour, and materials for a class C extinguisher

 

  • Circle
  • Blue
  • Fires involving energized electrical equipment

 

5

List the symbol, colour, and materials for a class K extinguisher

  • No symbol
  • No colour
  • Commercial cooking units involving vegetable or animal oils and fats

 

6

Define Saponofication

A reaction that emulsifies the oil to form a type of soap that floats on teh surface of the oil & prevents re-ignition of the oil vapors

 

 

7

What colour and symbol correlate to a class K extinguisher

 

No colour

No symbol

8

An expert can extinguish how many times more than a fire extinguisher's rating?

2.5x

9

How much fuel with a B-1 extinguisher?

 

 

10-B?

  • 1-B
    • 0.09sqm  (1sqft)
  • 10-B
    • 0.9sqm (10sqft)

10

What is the PASS for fire extinguishers?

P- Pull

A- Aim

S- Squeeze

S- Sweep

11

What fuels compose a Class B fire?

Greases, Oils, Solvents, Flammable and Combustible liquids

12

What materials compose a Class A fire

Wood, Cloth, Paper, Plasitcs, Rubber

13

What classifies a Class C fire?

Fires involving energized electrical equipment

14

What fuels burn in Class D fires?

Flammable and combustible metals

 

15

How many and what size of wood cribbing is used to test Class 1- A fires?

50 pieces of 50 cm x 5 cm x 5 cm

16

What hazard is present when using a CO2 fire extinguisher

Re- Ignition

17

What are the CO2 fire extinguishers located.

Pump

Rescue

 Ladder

 Tankers

18

How much extinguishing agent can a pump/ tank backpack water extinguisher carry?

~20l

Can add foam to mixture 0.5-0.6% foam

19

How much does Metal X extinguishesr weigh?

14 kg

20

What is the discharge time and distance of

Metal X extinguishers

  • 10-25 Sec
  • 2 - 4.5m

 

21

What are the extinguishers found on EFRS Ladders

 

  • ABC
    • 20A-60BC
    • Dry Chemical 
  • BC
    • 10BC
    • CO2 
  • D
    • Metal X (quints) 

 

22

What is the discharge Time and Distance of CO 10BC extinguishers

  • 10-30Sec
  • 1-2.5m

 

23

What exinguishers are carried on EFRS Rescues

  • ABC
    • 20A60BC
    • Dry chemical
  • BC
    • 10BC
    • CO2 
  • D
    • Metal X

 

24

What is the Discharge Time and Distance of Dry Chamical extinguishers (20A60BC)

 

  • 10-25Sec
  • 2-4.5m 

 

25

What is the Discharge time and Distance of Backpack Pump 4A

  • 60-180s
  • 3-9m

 

26

Which extinguishers are carried on EFRS Pump/Tanker/ATP?

  • ABC
    • 20A60BC
    • Dry Chemical
  • BC
    • 10BC
    • CO2 
  • A
    • 4A
    • Backpack Pump- Water

 

27

What criteria must class K extinguishrers meet?

  • Completely extinguish the fire in the deep fryer
  • Prevent re-ignition of the vegetable oil for 20 min or reduce the oil temperature at least 15.6 deg C below auto-ignition temperature
  • Cause no splashing of flaming oil outside the fryer

 

28

What depth is "appreciable"

>/= 6mm

29

Class B fire extinguishers typical Size range?

1B- 160B

30

What types of extinguishing agents are used for Class A fires

  • Water
  • Foam concentrate mix
  • Dry chemical
  • Halon