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Questions and Answers
What is the largest component of the operating cost for mine ventilation?
What is the largest component of the operating cost for mine ventilation?
- Cost of distributing air through the mine
- Cost of maintaining ventilation shafts
- Cost of controlling ventilation flow
- Electricity to power the ventilation fans (correct)
What are the typical noxious gases that underground mine ventilation aims to remove?
What are the typical noxious gases that underground mine ventilation aims to remove?
- NOx, SO2, methane, CO2 and CO (correct)
- Hydrogen, helium, neon, krypton
- Oxygen, nitrogen, argon, carbon monoxide
- Sulfur hexafluoride, ammonia, chlorine, xenon
What is the main ventilation circuit for the mine?
What is the main ventilation circuit for the mine?
- Recirculating ventilation
- Flow-through ventilation (correct)
- Forced-air ventilation
- Natural ventilation
What are the components of an auxiliary ventilation system?
What are the components of an auxiliary ventilation system?
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What is the primary requirement for proper ventilation control?
What is the primary requirement for proper ventilation control?
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