Environmental Science and Engineering
GATE ES topic:surface-water-resources PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–12 of 12. Imported answers require independent review unless marked reviewed.
Question 35
Open questionESNAT1 markNeeds review
The following figure shows a 2-hour unit hydrograph (1 cm rainfall excess) for a catchment area of 540 hectare.
The peak discharge (in m
/s, rounded off to one decimal place) of the above unit hydrograph is __________Log in to check the answer
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Open questionESNAT2 marksNeeds review
An isolated storm of 3 hours occurred over a catchment area in the following manner:
% Catchment Area | -index (cm/hour) | Rainfall: 1 hour (cm) | Rainfall: 2 hour (cm) | Rainfall: 3 hour (cm) |
|---|---|---|---|---|
15 | 0.5 | 0.4 | 2.5 | 1.6 |
35 | 1.0 | 0.8 | 3.0 | 2.1 |
50 | 0.8 | 0.6 | 2.6 | 1.9 |
Total rainfall excess (in cm, rounded off to one decimal place) over the catchment for the above storm is __________.
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