232. 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%.

233. Discharge with velocity of approach, over a rectangular 7.271. In Chezy's formula V = C vmi

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. All the above.

234. The formula Q=m xLx "I 2g x H312 where m 0.405 +0.003 was suggested by :

A. Bazin

B. Francis

C. Cipolletti

D. None of these.

235. The side slope of Cipolletti weir is generally kept

A. 1 to 4

B. 1 to 3

C. 1 to 2

D. 1 : 5.

236. The discharge over a Cipolletti weir of length 2.185 m when the head over the weir is 1 m, is

A. 2.0 m3

B.b) 2.5 m3

C. 3.0 m3

D. 4.0 m3,

237. Total energy line is

A. pressure head

B. datum head

C. kinetic head

D. All the above

238. A nozzle is fitted 320 m and diameter is diameter of the nozzle power through the nozzle is

A. 2.4 cm

B. 2.5 cm

C. 2.6 cm

D. 2.7 cm.

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