GATE AR · 2026 · AR
Question 45: Services and Infrastructure
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Question 45
ARNAT2 marksNeeds review
A rectangular open concrete drain channel has base width of 3 m and flow depth of 1.5 m. The channel bed slope is 0.001. If the Manning’s roughness coefficient of concrete used in this channel is 0.018, then the average flow velocity of this channel (in m/s) is __________ (rounded off to two decimal places).
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2026AR
GATE AR 2026 · Paper 1
Architecture and Planning · Original paper archive
- Section
- Architecture and Planning
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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