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FIRE SAFEY PRE-CLASS NOTES

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1. What is the primary difference between FIRE and COMBUSTION as defined in the notes?
A. Fire is a chemical reaction involving oxidation, and combustion is the light and heat produced by that reaction. B. Fire is the resultant phenomenon (heat, light, smoke, sound, etc.) of a rapid reaction, while combustion is the self-sustaining process of rapid oxidation of a fuel. C. Combustion requires a minimum of 21% oxygen, while fire requires only 16%. D. Fire requires three elements, but combustion can occur with only two.
2. Which component of the Fire Triangle must be present at a minimum of 16% of the air in the vicinity for combustion to occur?
A. Fuel/Combustible Material B. Oxygen/Air C. Chemical Chain Reaction D. Sufficient Heat/Temperature
3. Class 'A' fires involve which dominant combustible material?
A. Flammable liquids like gasoline and kerosene B. Highly reactive metals like potassium and aluminum C. Solid and ordinary organic materials like wood, paper, and textile D. Highly flammable gases like butane and propane
4. Energized electrical appliances, such as motors, feeder pillars, and transformers, are classified under which fire class?
A. Class 'E' B. Class 'C' C. Class 'B' D. Class 'D'
5. Class 'K' fires, sometimes called kitchen fires, are generated from which material?
A. Solid organic materials B. Highly reactive metals C. Highly flammable gases D. Cooking fat and oils
6. Which method of fire extinction involves the removal or exclusion of oxygen?
A. Separation B. Smothering C. Starvation D. Cooling
7. The 'GLOWING' mode of burning is characterized by which condition?
A. The production of a visible flame. B. The fire is in its second, oxygen-rich phase. C. No flame is produced, but a glow is seen (e.g., charcoal). D. Rapid heat build-up with hot air rising and cool air descending.
8. During which stage of burning is the temperature inside the room over 537 ∘ C and the room is filled with smoke and gases?
A. Free Burning phase B. Incipient phase C. Pre-ignition phase D. Smoldering phase
9. Which of the following is NOT listed as a common cause of fire in the notes?
A. Electrical appliances left plugged in the sockets with current flowing unattended to B. Under-loading of electrical circuits C. Spontaneous combustion/ignition D. Arson, or the deliberate setting of fire
10. What is the recommended color coding for a fire extinguisher containing Foam?
A. Cream B. Blue C. Red D. Black
11. What does the 'A' in the acronym PASS for using a portable fire extinguisher stand for?
A. Alert the authorities B. Activate the alarm C. Aim at the base of the fire D. Apply to the top of the flames
12. Which of the four areas of coverage for a modern fire safety training concept is described as being about fire risk assessment, fire safety education, and institutional training?
A. Prevention B. Suppression C. Detection D. Occupant Safety
13. According to the 'Action on Discovering a Fire' plan, what is the 'first' step to take?
A. If you can, use the available means to suppress the fire. B. Call the fire brigade. C. Sound the nearest alarm. D. If necessary, isolate the power.
14. What is the recommended frequency for a qualified technician to service a portable fire extinguisher?
A. Annually B. Daily C. Once every 30 days D. Bi-annually
15. Which action is explicitly listed as a DON'T for staff during a fire emergency?
A. Close the door behind you when leaving the area. B. Return to the building for any reason, unless authorized to do so. C. Proceed to the designated fire assembly point. D. Remind your neighbor if they are not aware of the alarm.