Q. 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)

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Q. Pick up the correct statement from the following :

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Q. Ryve's formula for flood estimate in cumecs, is

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Q. Levees and flood walls,

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Q. Pick up the correct statement from the following :

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Q. 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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Q. The recurrence interval (R.I.) of 20 cm rain storm at a place is 5 years.

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Q. Sharp crested weirs are generally used

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Q. The area of a drainage basin whose axial length is 100 km is 2500 sq. km. Its form factor is

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Q. If the axial length of a drainage basin is 35 km and its form factor is 0.2, the total area of the basin is

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Q. Run off is measured in

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Q. For efficient working of a control meter, its throat length is approximately kept

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Q. A control meter is preferred to a weir because

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Q. A river is said to be of uniform section if in its section

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Q. The run off is affected by

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Q. The form factor of a drainage basin is obtained by dividing

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Q. Isopiastic lines are the contours

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Q. The coefficients of permeability of soils of an unconfined aquifer and another confined aquifer were determined by pumping water from the wells and observing the effect of water table in two test wells at equal distances was found to be equal. The total height of confined aquifer H is given by

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Q. The radius of influence is

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Q. When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the permeability of the soil, is

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