NG2 S8 recap on S7

Which of the following is NOT one of the three essential components for fire to occur?

• Oxygen
• Water
• Fuel
• Heat

What percentage of oxygen is typically present in air?

• 25%
• 18%
• 21%
• 15%

Which method of fire spread involves the transfer of heat through solid materials?

• Radiation
• Conduction
• Convection
• Direct burning

Which of the following is NOT a common cause of fires in workplaces?

• Air conditioning
• Smoking
• Electrical equipment
• Hot work

What is the best approach to control combustible and flammable materials in the workplace?

• Increase quantities for convenience
• Ignore housekeeping practices
• Eliminate use altogether
• Store in any available space

How should Liquefied Petroleum Gas (LPG) cylinders be stored?

• Inside the main building
• In the same area as oxygen bottles
• Outside in a fenced area with a lockable gate
• Lying down horizontally

What does DSEAR stand for in the context of flammable atmospheres?

• Dangerous Substances and Explosive Atmospheres Regulations
• Direct Safety and Emergency Action Regulations
• Designated Safety and Environmental Assessment Rules
• Detailed Safety Equipment and Apparatus Requirements

Which category of electrical equipment can be used in Zone 0 or Zone 20?

• Category 1
• Category 2
• Category 3
• Category 4

What is a key control measure for hot work?

• Use water-based tools
• Remove flammable materials from the area
• Increase ventilation
• Wear flame-resistant clothing

What is the flash point range for a flammable liquid (Category 3)?

• Between 0°C and 100°C
• Below 23°C
• Above 60°C
• Between 23°C and 60°C