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Irrigation Water Resources Engineering - Interview Questions and Answers

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61. If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be
A. 15 minutes
B. 20 minutes
C. 30 minutes
D. 60 minutes
Explanation:
62. A current meter is used to measure the
A. velocity of flow of water
B. depth of flow of water
C. discharge
D. none of the above
Explanation:
63. The uplift pressure on a dam can be controlled by i) constructing cutoff under upstream face ii) constructing drainage channels bet-ween the dam and its foundation iii) by pressure grouting in foundation The corret answer is
A. only (i)
B. both (i) and (ii)
C. both (i) and (iii)
D. (i), (ii) and (iii)
Explanation:
64. For a flood control reservoir, the effective storage is equal to
A. useful storage - valley storage
B. useful storage + surcharge storage
C. useful storage + surcharge storage + valley storage
D. useful storage + surcharge storage -valley storage
Explanation:
65. The useful storage is the volume of water stored in the reservoir between
A. minimum pool level and maximum pool level
B. minimum pool level and normal pool level
C. normal pool level and maximum pool level
D. river bed and minimum pool level
Explanation: