24 Questions
What is the embryonic stage of fire, immediately after ignition?
Incipient stage
What is the term for the process in which substances combine chemically with oxygen from the air?
Combustion
What is the result of incorrect storage, usage, or disposal of flammable and combustible materials?
Fire hazards
What is the consequence of fires on the environment?
Atmospheric pollution and water contamination
What is the term for the fire that generates enough heat to cause a positive heat feedback loop?
Growth stage fire
What is the hazard associated with smoking?
Dispose of cigarette butts improperly
What is the term for the fire safety measure that puts out fires?
Fire extinguisher
What is the consequence of fires on human life and property?
Hazard to life and property
What is the stage of a fire when it reaches its hottest point and engulfs all available fuel sources?
Fully Developed
What can cause a fire to reignite during the decay stage?
Sudden wind updraft or a falling tree branch
Why is it important to ensure a fire does not reignite after it has finished?
All of the above
What is a potential environmental impact of fire?
Smoke
What health effect can smoke produced by a fire exacerbate?
Asthma
What can happen if a fire is not fully extinguished?
The fire will reignite and cause more damage
What is a social effect of fire hazards?
Social disruption
What can happen if a person inhales too much smoke from a fire?
All of the above
What is one of the environmental impacts of releasing large quantities of carbon dioxide, carbon monoxide, and fine particulate matter into the atmosphere?
Impacts on weather and climate
What are the three elements necessary for a fire to ignite and maintain combustion?
Fuel, heat, and oxygen
What is one of the basic strategies for preventing fire?
Isolating sources of fuel or heat
What is one of the most important fire safety reminders?
Avoiding electrical overloading
What should you do when using a gas stove in the kitchen?
Turn it off when not in use
Why is it important to keep aisles, walkways, and stairways clear of trash?
To prevent the spread of fire
What is the purpose of having smoke alarms?
To alert you when a fire breaks out
What is the benefit of having a fire extinguisher at home or in the office?
It can stop fires from spreading
Study Notes
Fire Hazards
- A fire is a combustion or burning that releases bright light, heat, and smoke when substances combine with oxygen from the air.
- Fire can be useful, but it also has negative effects, including hazards to life and property, atmospheric pollution, and water contamination.
Causes of Fire
- Electrical faults, such as faulty appliances, leads, wiring, or sockets
- Cooking-related fires, such as burnt food, unattended cooking, or grease build-up
- Flammable and combustible materials, incorrect storage, usage, or disposal
- Smoking, such as smoking around flammable materials or disposing of cigarette butts improperly
- Heating, such as placing articles too close to heat sources or using faulty heaters
Stages of Fire
- Incipient: the developing or embryonic stage of fire, characterized by low heat, minimal smoke, and ease of escape
- Growth: the stage where the fire has established itself, generating heat and using fuel sources
- Fully Developed: the hottest and most ferocious stage, where the fire has engulfed all available fuel sources
- Decay: the longest stage, where the fire runs out of oxygen or fuel, but can still reignite with new oxygen or fuel sources
Effects of Fire Hazards
- Acute and chronic effects on human health, including respiratory and cardiovascular symptoms, burns, trauma, mental health effects, reproductive and immunological disorders, and social and financial disruption
- Environmental impacts, including smoke, water, sediment, and soil pollution, increased erosion, habitat degradation, and releasing large quantities of carbon dioxide and fine particulate matter
Fire Safety Measures
- Preventing fire by isolating sources of fuel or heat, as a fire needs three elements to ignite and maintain combustion: fuel, heat, and oxygen
- Top 10 fire prevention tips, including:
- Avoiding electrical overloading
- Fireproofing the kitchen
- Keeping light sources secured
- Practicing good housekeeping habits
- Installing smoke alarms
- Having a fire extinguisher
Proper Use of Fire Extinguisher
- Acquiring skills on the proper use of a fire extinguisher
This quiz covers the basics of fire, including its definition, effects, and common causes such as electrical faults and cooking-related fires. Learn about fire hazards and how to prevent them.
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