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Irrigation Water Resources Engineering - Interview Questions and Answers

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101. For the upstream face of an earthen dam, the most adverse condition for stability of slope is
A. sudden drawdown
B. steady seepage
C. during construction
D. sloughing of slope
Explanation:
102. Seepage through embankments in an earthen dam is controlled by
A. drainage filters
B. relief wells
C. drain trenches
D. provision of downstream berms
Explanation:
103. Hydrograph is the graphical representation of
A. runoff and time
B. surface runoff and time
C. ground waterflow and time
D. rainfall and time
Explanation:
104. Presence of tail water in a gravity dam i) increases the principal stress ii) decreases the principal stress iii) increases the shear stress iv) decreases the shear stress The correct answer is
A. (i) and (iii)
B. (i)and(iv)
C. (ii) and (iii)
D. (ii) and (iv)
Explanation:
105. The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are
A. at right angle and parallel to weir crest
B. parallel and at right angle to weir crest
C. parallel to weir crest in both
D. at right angle to weir crest in both
Explanation: