Q. The hydraulic radius of an economical rectangular section is 4m, calculate the discharge through the channel if the bed slope of the channel is 1 in 1000 and manning’s co efficient is 0.015.

View solution

Q. Determine the top width length of the most economical trapezoidal channel section having depth y and side slope Z.

View solution

Q. Estimate the hydraulic radius of the most economical trapezoidal channel section having depth y and side slope Z.

View solution

Q. The top width of a most economical trapezoidal channel section is 7m and the side slope of the channel is 1H:2V, determine the depth of the channel section.

View solution

Q. The top width of a most economical trapezoidal channel section is 8m, determine the hydraulic radius of the channel if the side slope is 1H:3V.

View solution

Q. The base of the most economical trapezoidal channel section is 6m and the side slope is 1H:2V, calculate the maximum discharge through the channel if the bed slope is 1 in 1000 and C = 50.

View solution

Q. Calculate the maximum discharge through a trapezoidal section having depth 3m, side slope 1H:4V and bed slope of 1 in 2000. Given: n = 0.025.

View solution

Q. The wetted area of a most economical trapezoidal section is 21.58m², base width of 5m and side slope of 1H:3V. Calculate the maximum discharge through the channel if the C=60 and S₀=1/500.

View solution

Q. Calculate the depth of the most economical trapezoidal channel section having wetted area equal to 50m² and the side slope of 1H:5V.

View solution

Q. The wetted perimeter of the most economical trapezoidal section is 7.47m, the base width is 3m and has the side slope of 1H:2V.

View solution

Q. Calculate the maximum discharge through a trapezoidal channel if the wetted perimeter is 6.24m, side slope of 1H:2V and base width of 4m. Given: C=55 and S₀=1/1500.

View solution

Q. The maximum discharge through the trapezoidal channel is 20 m³/s and the velocity of flow is 5 m/s. Calculate the base width of the channel if the side slope is 1H:4V.

View solution

Q. What is the side slope for the most economic trapezoidal channel having depth y and base width B?

View solution

Q. What is the angle made by the sloping side when the trapezoidal channel discharges to the maximum extent?

View solution

Q. Calculate the maximum discharge through a trapezoidal channel if the depth is 5m.

View solution

Q. If the side slope angle in a trapezoidal section is 45° and it discharges to the maximize extent, calculate the top width of the channel section. Given: y = 4m

View solution

Q. Estimate the wetted perimeter of a circular channel having radius R and depth d, if the angle subtended at the centre is Ɵ.

View solution

Q. Calculate the wetted area of a circular channel having depth d and radius R.

View solution

Q. Determine the hydraulic radius of a circular section having depth d and radius R.

View solution

Q. A circular channel section has water at a depth of 2m and the radius of the section is 4m, calculate the wetted area of the channel.

View solution