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Civil Engineering - Water Resources Engineering

Exercise : Water Resources Engineering - Section 2
31.
A unit hydrograph is a hydrograph of a rain storm of a specified duration resulting from a run-off of
15 mm
20 mm
25 mm
30 mm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Pick up the correct statement from the following :
The specified duration of unit hydrograph, is called unit duration
The rain during specified duration, is called unit storm
A unit hydrograph for a particular unit duration may be utilised for evaluating the run off hydrographs of other storms of like durations
The number of unit hydrographs for a given basin, is theoretically infinite
All the above.
Answer: Option
Explanation:
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33.
The best unit period of a unit hydrograph, is equal to basin lag divided by
2
3
4
5
Answer: Option
Explanation:
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34.
If total run off of a basin of 50 hectares is 0.8 cm, the ordinate of Bernard's distribution graph, may be calculated by the formula (where Q is the discharge in cumecs at the given time)
y = 50 Q
y = 100 Q
y = 150 Q
y = 200 Q
y = 250 Q
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Pick up the correct statement from the following :
The zone below water table, is called zone of saturation
The zone above water table, is called zone of aeration
The water which exists in the zone of saturation, is called ground water
Water in the zone of saturation, remains under hydrostatic pressure
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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