GATE MN · 2020 · MN
Question 39: Mine Ventilation
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Question 39
MNNAT2 marksNeeds review
A diesel loader produces 60 l/s of exhaust fumes containing 500 ppm of CO. The incoming air has 10 ppm of CO. The minimum amount of air flow in m
/s that is needed at the loader to dilute CO to a permissible level of 50 ppm is ________ (round off to 1 decimal place).Log in to check the answer
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2020MN
GATE MN 2020 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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