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Irrigation Water Resources Engineering - Interview Questions and Answers

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51. The "outlet discharge factor" is the duty at the head of
A. main canal
B. branch canal
C. watercourse
D. distributory
Explanation:
52. Rate of evaporation from a water surface increases if i) difference of vapour pressure between water and air is increased ii) velocity of wind is decreased iii) concentration of soluble solids in water is decreased The correct answer is
A. (i) and (ii)
B. (i) and (iii)
C. (ii) and (iii)
D. (i). (ii) and (iii)
Explanation:
53. The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called
A. effective rainfall
B. consumptive use
C. consumptive irrigation requirement
D. net irrigation requirement
Explanation:
54. The water utilizable by plants is available in soils mainly in the form of
A. gravity water
B. capillary water
C. hydroscopic water
D. chemical water
Explanation:
55. Optimum depth of kor watering for rice is
A. 135 mm
B. 165 mm
C. 190 mm
D. 215 mm
Explanation:
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