Chapter 15 Notes
Unit 4 Workplace Safety · Chapter 15
Handle Emergencies & Fire Safety
Master emergency preparedness: Classification of Fires (Classes A, B, C, D), Fire Extinguisher Selection, The PASS Operating Method, Electrical Shock Rescue Protocols, and Evacuation Drills.
Chapter 15 Theory
1. Classes of Fires & Extinguishers
| Class | Fuel Material | Extinguisher | Danger |
|---|---|---|---|
| Class A | Wood, paper, plastics | Water / Foam | None |
| Class B | Petrol, oil, grease, paint | Foam, CO2, Dry Powder | NEVER use Water |
| Class C / Electrical | Gases & Server equipment | CO2 (Black) | NEVER use Water |
| Class D | Magnesium, sodium | Specialized dry powder | Explosive with water |
2. The PASS Technique
PPull the pin
AAim at fire base
SSqueeze lever
SSweep side-to-side
Chapter 15 Practice
Solved MCQs: Emergencies & Fire Safety
1
What does the fire safety acronym 'PASS' stand for when operating a portable fire extinguisher?
2
Which type of fire extinguisher is safest for electrical fires involving computers and server hardware?
3
Which fire class involves flammable liquids such as petrol, oil, grease, paints, and thinners?
4
What is the very first step you must take if you witness someone receiving an active electrical shock?
Frequently Asked Board Questions