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QUESTION: 1

The width of the weir with end contraction is

Solution:

QUESTION: 2

The discharge of broad crested weir is maximum if the head of water on the downstream side of weir as compared to the head on the upstream side of the weir is

Solution:

If 2L > H, the weir is called broad-crested weir.

If 2 L < H, the weir is called narrow -crested weir by Bernoulli's equation to the still water surface on the upstream side and running water at the end of weir

QUESTION: 3

Maximum discharge over broad crested weir is

Solution:

QUESTION: 4

The cipoletti weir functions as if it were a following notch without end contractions

Solution:

Cipolieti weir is a trapezoidal weir which has side slopes of 1 horizontal to 4 vertical as shown.

By giving slope to the sides, an increase in discharge through the triangular portions ABC and DEFof the weir would be rectangular.

QUESTION: 5

Cipolleti notch is designed as trapezoid with sides sloping at 1 horizontal and

Solution:

QUESTION: 6

What is the discharge over a cipolleti weir of length 2 m when the head over the weir is 1 m? (Take C_{d} = 0.62)

Solution:

QUESTION: 7

Match List - I ( Discharge of ) with List-11 (Proportional to)

Solution:

QUESTION: 8

The approximate discharge over a 4 m long rectangular suppresed weir with head over the crest as 0.36 m is

Solution:

QUESTION: 9

The discharge over a suppresed sharp crested rectangular weir is given by

Here H_{1} is the difference in elevation-between

Solution:

QUESTION: 10

For a suppressed rectangular weir an arrangement for aeration of nappe is necessary to

Solution:

### Flow Measurement and Control by Weirs

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