Civil Engineering > GATE 2025 SET-2 > Hydrology
In the context of the effect of drainage density on the run-off generation and the hydrograph at the catchment outlet, all other factors remaining the same, pick one or more CORRECT statement(s) from the choices given below.
A
Lower drainage density results in higher peak in flood hydrograph compared to that when the drainage density is higher.
B
Lower drainage density results in lower peak in flood hydrograph compared to that when the drainage density is higher.
C
Lower drainage density results in a flood hydrograph with a longer time base compared to that when the drainage density is higher.
D
Lower drainage density results in a flood hydrograph with a shorter time base compared to that when the drainage density is higher.

Correct : c

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drainage density effect flood hydrograph GATE Civil Engineering 2025 civil engineering gate drainage density impact peak flood hydrograph time base flood hydrograph GATE 2025 Set-2

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