GATE MN · 2023 · MN
Question 43: Mine Ventilation
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Question 43
MNMCQ2 marksNeeds review
A duct of diameter 0.60 m with an exhausting fan has −97.5 mm wg static pressure behind the fan when the air flow rate is 4.0 m³/s. If an evase with inlet to outlet area ratio of 1:4 and efficiency 60% is attached to the outlet of the fan, the static pressure of the fan in mm of wg becomes
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2023MN
GATE MN 2023 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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