GATE 2021 AG – Question 16

Soil and Water Conservation Engineering · Hydrology · 1 mark · Multiple choice

Hydrologic reservoir-routing methods use ______.

Bernoulli equation only
Hydrologic continuity equation only
Muskingum equation only
Both hydraulic momentum and hydrologic continuity equations

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Correct answer: (B) Hydrologic continuity equation only

Explanation

Level-pool reservoir routing applies $I-O=dS/dt$ together with storage–elevation–outflow relations. It does not solve the full momentum equation. Thus **B**. Muskingum is a particular channel-storage routing approach, not the defining equation of reservoir routing.

GATE 2021 AG – Question 16

Explanation

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