GATE MN · 2023 · MN
Question 35: Mine Ventilation
Give it a try, then reveal the answer to check your work.
Question 35
MNNAT1 markNeeds review
In a panel with 50 workers, a miner typically consumes 2.5 × 10⁻³ m³/min of oxygen. The percentage of oxygen in the intake air is 20.95%. To ensure minimum permissible oxygen in the return air as per CMR 2017 the quantity of ventilation air in m³/min to be supplied to the panel is_____.
[rounded off to 2 decimal places]
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerEXPLORE & PRACTISE
Paper and topic context
See where this question comes from and choose what to practise next.
2023MN
GATE MN 2023 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
Practise related topics
Explore more previous year questions using this question’s imported topic tags.
mining engineering
GATE MN previous year questions
mining
GATE MN previous year questions
mineral processing
GATE MN previous year questions
mine ventilation
GATE MN previous year questions
Comments
Ask a question, share your approach, or help someone understand.
Log in to view the discussion
You’re not logged in. Log in or create an account to see discussions and add comments.