GATE MN · 2026 · MN
Question 34: Mine Ventilation
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Question 34
MNNAT1 markNeeds review
In an underground mine atmosphere, the alcohol of a Kata thermometer took 60 s to fall from 38 °C to 35 °C. The Kata factor of the thermometer is 480 milli-calories cm⁻². The Kata cooling power, in W m⁻², is ____________. (rounded off to one decimal place)
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2026MN
GATE MN 2026 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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