Q. What is not the way of classifying weir based on their shape of crest?

View solution

Q. What is not the way of classifying weir based on the emerging nappe?

View solution

Q. 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

View solution

Q. 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

View solution

Q. 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

View solution

Q. 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

View solution

Q. Find the discharge over triangular notch of angle 50° when the head over the V notch.

View solution

Q. The expression for discharge for a right angled notch is more complex than rectangular notch.

View solution

Q. The results of which are more accurate; rectangular notch or triangular weir.

View solution

Q. What is main reading required in calculation for rectangular notch or weir.

View solution

Q. We need to obligatorily have ventilation in triangular notch.

View solution

Q. Rectangular notch may or may not have ventilation.

View solution

Q. What is the reduction in crest length due to each end contraction?

View solution

Q. In Francis formula, the effective length is

View solution

Q. In Francis empirical expression for discharge, the relation between head of water and discharge is

View solution

Q. In Bazin’s formula, the discharge is inversely proportional to the length of weir.

View solution

Q. 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.

View solution

Q. 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.

View solution

Q. The head of water over a rectangular weir is 26 cm. The length of the crest of the weir end contraction suppressed is 1.25 m. Find the discharge using the Francis formula.

View solution

Q. Find the discharge over a cipolletti weir of length 1.5 m when the head over the weir is 0.85 m. Take Cd = 0.61.

View solution