Occupational Health and Safety

Water Fire extinguisher is suitable for

• Wood, paper, clothes, and solids
• Flammable liquids such as petrol
• Fires in Electrical Equipments
• Cooking oils & FATS

As In figure Class A fire is:

• Flammable liquids such as petrol
• Fires in Electrical Equipments
• Solids such as paper, wood, plastic etc
• Cooking oils & FATS

Foam fire extinguisher is NOT suitable for

• Wood, paper, clothes, and solids 
• Fires in Electrical Equipments
• Flammable liquids such as petrol
• Cooking oils & FATS

The shape shown infigure is for:

• Emergency button
• Switch
• Fire alarm
• Circuit breaker

The shape shown in figure is for:

• Emergency button
• on-off Switch
• Fire alarm switch
• Circuit breaker

In Electrical class C of fires, the fire extinguisher that can be used is:

• CO2 or Powder fire extinguisher
• Water or Foam fire extinguisher
• CO2 fire extinguisher only
• Powder fire extinguisher only

The three elements of the fire triangle are

• Fats – Water – Heat
• Fuel – Oxygen – Heat
• Fuel – Oxygen  – Water
• Water – Oxygen - Heat 

The fuel in class F fires is

• Electrical equipment
• Fammable Liquid
• Cooking Oil and fats.
• Plastic, wood and paper

The correct order of procedure in using a fire extinguisher is :

• Squeeze – Aim – Sweep – Pull
• Sweep – Squeeze – Pull – Aim
• Aim- Pull – Squeeze – Sweep
• Pull – Aim – Squeeze – Sweep

Class C Fire is from:

• Flammable liquids 
• Electrical Equipment
• Wood & Plastics
• Combustible metals