393. The side slope of Cipolletti weir is generally kept
A. 1 to 4
B. 1 to 3
C. 1 to 2
D.1 5.

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394. The discharge over a Cipolletti weir of length 2.185 in when the head over the weir is 1 m, is
A. 2.0 m3
B. 2.5 1113
C.3.0 m3
D. 4.0 m3,

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395.  In Chezy's formula V = C 4. 0.50
A. V is the mean velocity of flow
B. m is the hydraulic mean depth
C. i is the loss of head per unit length of pipe
D.

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396.  Pick up the incorrect statement from to following regarding triangular notch :
A. For measuring low discharge, it gives more accurate result?
B. Only one reading (i.e. II) is required for computation of discharge
C. Ventilation is necessary
D. None of these.

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397.  Pick up the correct statement from the following :
A. Discharge over a triangular notch is proportional toH512
B. Discharge over a rectangular notch is proportional to
C. Both (a) and (b)
D. Neither (a) nor (b).

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398.  An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to
A.1.25%
B.1.50%
C.1.75%
D. 2.25%.

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399. An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to
A.1.25%
B.1.50%
C.2.00%
D. 2.5%.

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