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Civil Engineering - Water Resources Engineering

Exercise : Water Resources Engineering - Section 2
21.
The best instrument for measuring the velocity of a stream flow is
pitot tube
Price's current meter
surface float
sub-surface float.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The average mean velocity of a stream having depth h, may be obtained by taking the average of the readings of a current meter at a depth of
0.1 h and 0.9 h
0.2 h and 0.8 h
0.3 h and 0.7 h
0.4 h and 0.6 h.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
If the velocities of flow of a stream of 10 m depth recorded by a current meter at depths of 2 m and 8 m are 0.7 m and 0.3 m respectively, the discharge per unit width of the stream in cubic metres, is
2
3
4
5
6
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The time required by rain water to reach the outlet of drainage basin, is generally called
time of concentration
time of overland flow
concentration time of overland flow
duration of the rainfall
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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