A fire extinguisher is rated to discharge 100 kg of extinguishing agent in 10 seconds. If it is used for a 5‑second interval, how much agent is discharged?
Answer
50 kg
The correct answer is 50 kg — State the discharged amount as 50 kg.
Step-by-step solution
- Compute discharge rate: 100 kg / 10 s = 10 kg/s.
- Multiply the rate by the actual usage time: 10 kg/s × 5 s = 50 kg.
- State the discharged amount as 50 kg.
Common mistake: Mis‑calculating the rate or confusing units
Concept tested: Extinguishing agent discharge calculation
Published · How this solution was prepared and checked
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