Apco Infratech Safety Supervisor Interview Questions and Answers

Fire is a rapid chemical reaction that produces heat, light, and combustion, often resulting from the ignition of flammable materials.

• Fire requires three elements: heat, fuel, and oxygen (the fire triangle).

• Examples of fuel include wood, gasoline, and paper.

• Heat can be generated from sources like matches, friction, or electrical sparks.

• Oxygen is typically sourced from the air, which contains about 21% oxygen.

• Fire can b...read more

A work permit system is a formal process to ensure safety and compliance during hazardous work activities.

• Defines the scope of work to be performed, ensuring clarity and focus.

• Identifies potential hazards associated with the work, such as electrical or chemical risks.

• Requires specific safety measures to be implemented, like lockout/tagout procedures.

• Involves obtaining approvals from relevant authorities before work beg...read more

A fire extinguisher is a portable device used to extinguish small fires by discharging an extinguishing agent.

• Types include water, foam, dry chemical, CO2, and wet chemical extinguishers.

• Water extinguishers are effective for Class A fires (wood, paper).

• CO2 extinguishers are suitable for electrical fires (Class C).

• Dry chemical extinguishers can tackle multiple classes of fires.

• Extinguishers should be inspected regularly...read more

Hazards are potential sources of harm or adverse effects on individuals, property, or the environment.

• Physical hazards: Examples include machinery, heights, and slippery surfaces.

• Chemical hazards: Exposure to toxic substances like asbestos or pesticides.

• Biological hazards: Risks from bacteria, viruses, or other pathogens.

• Ergonomic hazards: Poor workstation design leading to musculoskeletal disorders.

• Psychosocial hazard...read more