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What is the correct formula for uniformity coefficient efficiency?

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+1 vote
in Irrigation Engineering by (75.2k points)
What is the correct formula for uniformity coefficient efficiency?

(a) Nd = 1 – d/D

(b) Nd = 1 + d/D

(c) Nd = 1 – D/d

(d) Nd = 1 + D/d

This question was posed to me by my college professor while I was bunking the class.

My question is taken from Water Requirements of Crops in portion Water Requirements of Crops of Irrigation Engineering

1 Answer

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by (106k points)
Correct option is (a) Nd = 1 – d/D

To explain: The correct representation of the formula is Nd = 1-d/D.

Where Nd = water distribution efficiency, d = deviation from the mean depth and D = mean depth.

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