SSC JE Civil Engineering 30-Oct-2020 Shift 2 Paper

Question : 188 of 200

Marks: +1, -0

A crop requires a total depth of 96 cm of water for a base period of 2280 hours. Find the duty of water.

Solution:

Concept:
The relation between Duty, Delta and Base period are as follows:

△ ={864 \B}/{\D} {\cm}

△={{ \Base \Period } ×{ \Depth \of \Watering }}/{{ \Interval \of \Watering }}

Δ → depth of water required (cm)
D → Duty (hectares per cumec)
B → Base period (days)
Calculations

{\D}={864 {\B}}/{\Δ}={864 ×95}/{96}=855 \hectares \/ {\cumec}

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