Civil Engineering :: Water Resources Engineering
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Pick up the correct statement from the following :
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The respective storm totals at three surrounding stations A, B and C are 110, 90 and 70 mm. If the normal annual precipitation amounts at stations X, A, B and C are respectively 1000, 1100, 1200 and 1250 mm, the estimated storm precipitation at X is
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The area enclosed by the adjacent isohyets of a catchment basin are shown under :
The average depth of annual precipitation in the catchment basin will be -
The recurrence interval (R.I.) of 20 cm rain storm at a place is 5 years.
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Sharp crested weirs are generally used
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For efficient working of a control meter, its throat length is approximately kept
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A control meter is preferred to a weir because
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A river is said to be of uniform section if in its section
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The run off is affected by
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The form factor of a drainage basin is obtained by dividing
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A.
Higher the gauge, more deficient will be the rain catch
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B.
Heavier the rain, lesser will be the rain catch
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C.
The trees serving as wind brakes in the vicinity of the gauge, should not subtend angles greater than 45°
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D.
Coniferrous forest is idealy suited for installing the gauge
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E.
All the above.
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