GATE MN · 2021 · MN
Question 54: Mine Ventilation
Give it a try, then reveal the answer to check your work.
Question 54
MNNAT2 marksNeeds review
A coal mine operating in three shifts produces 400 tonnes of coal per day with a face OMS of 1.0 from panel A, and 200 tonnes of coal with face OMS of 1.0 from panel B. The panel A and panel B are in parallel with resistance 0.6 Ns²m⁻⁸ and 0.5 Ns²m⁻⁸, respectively. If the panels are supplied with minimum permissible quantity as per CMR 2018, the required regulator resistance to meet the conditions in Ns²m⁻⁸ is ______. [round 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.
2021MN
GATE MN 2021 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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.