253. The cipoletti weir functions as if it were a following notch without end contractions
A.Triangular notch
B.Trapezoidal notch
C.Rectangular notch
D.Parallelogram notch

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254. Maximum discharge over broad crested weir is
A.1.71 Cd L.H312
B.1.71 Cd L.H5/2
C.1.71 Cd L.HIJ2
D.0.384 Cd L.HY2

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255. Cipoletti notch is designed as trapezoid with its sides sloping at 1 horizontal and
A.1 vertical
B.2 vertical 179
C.3 vertical
D.4 vertical

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256. In series-pipe applications
A.The head losses through each pipe are added to obtain the total head loss
B.The head loss is same through each pipe
C.Friction factors are assumed for each pipe
D.Flow increases

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257. Choking in pipe flow implies
A.No flow occurs
B.Negative flow takes place due to water hammer
C.Valve in pipline is closed
D.The specified mass flow can't occur

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258. In the case of flow through parallel pipes
A.Flow in each pipe is same
B.Head loss in each pipe is same
C.Head loss depends upon flow conditions
D.Total head loss is sum of the head losses in individual pipes

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259. For a laminar flow
A.Flow occurs in a zig zag way
B.Reynolds number lies between 2000 to 3000 for pipes
C.Newton's law of viscosity is of importance
D.Pipe losses are major considerations

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