GATE MN · 2026 · MN
Question 53: Surface Environment
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Question 53
MNNAT2 marksNeeds review
Dust particles from a blasting operation rise up in the atmosphere to a height of 500 m. The viscosity of air is 1.80 × 10
kg m
s
. Assume the particles have quiescent settling (no turbulence) in atmosphere. Neglecting air density, the settling time, in days, of a dust particle of 2.5 μm diameter and 3600 kg m
density is ____________. (rounded off to two decimal places)Log in to check the answer
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2026MN
GATE MN 2026 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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