Which of the following is not a way of classifying based on the shape of opening?

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Which of the following is not a way of classifying notches or weirs?

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The nature of discharge is also a way of classifying notches.

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A notch is a device used to measure the turbulence of the flowing liquid directly.

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The MoM (Material of Manufacture) of notch is,

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Trapezoidal weir has another popular name. What is it?

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The notch is bigger in size than wier.

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The weir is an attachable structure made up of thermoplastic.

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A rectangular orifice of 2 m width and 1.2 m deep is fitted in one side of large tank. The easier level on one side of the orifice is 3m above the top edge of the orifice while on the other side of the orifice the water level is 0.5 m below it’s top edge. Calculate discharge if Cd = .64

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The height of water on upstream and downstream side of a submerged weir of 4 m length are 24 cm and 13 cm. If Cd for free and drowned portions are .62 and .78 respectively, find the discharge over the weir.

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The height of water on upstream and downstream side of a submerged weir of 4 m length are 23.5 cm and 14 cm. If Cd for free and drowned portions are .61 and .75 respectively, find the discharge over the weir.

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The time taken to empty the tank is independent of Cd but depends only on the height and acceleration due to gravity.

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The discharge rate is independent of the height difference and dependent only on the height.

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Find the discharge through totally drowned orifice of width 3.3 m if the difference of water levels on both side of the orifice be 50 cm. The height of water from to and bottom of the orifice are 2.25 m and 2.67 m respectively.

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Rectangular notch may or may not have ventilation.

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Find the discharge through a rectangular orifice 2.2 m wide and 1.3 m deep fitted to a easier tank. The water level in a team is 2.5 m above the top edge of orifice.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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Find the discharge of water flowing over a rectangular notch of 1.5 m length when the constant head over the notch is 275 mm. Take Cd = .60

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The head of water over a rectangular weir is 28 cm. The length of the crest of the weir end contraction suppressed is 1.27 m. Find the discharge using the Francis formula.

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Find the discharge over a cipolletti weir of length 1.3 m when the head over the weir is 0.65 m. Take Cd = 0.60.

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The head of water over a rectangular weir is 38 cm. The length of the crest of the weir end contraction suppressed is 1.3 m. Find the discharge using the Francis formula.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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Find the discharge of water flowing over a rectangular notch of 1.3 m length when the constant head over the notch is 255 mm. Take Cd = .62

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The head of water over a rectangular notch is 700 mm. The discharge is 200 litres/s. Find the length of the notch, when CD =.63

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Find the discharge through a rectangular orifice 3.2 m wide and 1.7 m deep fitted to a easier tank. The water level in a team is 3.3 m above the top edge of orifice. Take Cd = 0.6

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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The head of water over a rectangular notch is 900 mm. The discharge is 300 litres/s. Find the length of the notch, when CD =.62

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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