Irrigation Engineering
Instantaneous unit hydrograph is a hydrograph of
i) unit duration
ii) unit rainfall excess
iii) infinitely small duration
iv) infinitely small rainfall excess
The correct answer is

(ii) and (iii)
(i)and(iv)
(iii) and (iv)
(i) and (ii)

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Irrigation Engineering
Pick up the correct statement from the following mention

Gravity water is harmful to crops
Hygroscopic water remains attached to soil molecules by chemical bond
Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants
All of these

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