GATE MN · 2024 · MN
Question 37: Mine Ventilation
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Question 37
MNMCQ2 marksNeeds review
Four identical districts of a mine are ventilated with a quantity of 350 m
/min at a fan drift pressure of 1.15 kPa. When one of the districts is sealed off, the change in resultant resistance is 0.072 Ns
m
. If the fan is stopped, keeping a district sealed, the quantity through the mine becomes 850 m
/min. The natural ventilation pressure in Pa, isYour answerChoose one option.
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2024MN
GATE MN 2024 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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