CE8403 Question Bank Applied Hydraulic Engineering

Sample CE8403 Question Bank Applied Hydraulic Engineering

1. What is meant by normal depth?
2. State the condition for maximum discharge in circular channel.
3. What are the instruments used for measuring velocity in a river?
4. Differentiate between normal depth and alternate depth.
5. Find the critical depth of a rectangular channel carrying a discharge of 2.4 m3/s/m. CE8403 Question Bank Applied Hydraulic Engineering
6. Define control section and how it affects the flow depth
7. Define most economical cross section and list the condition for a trapezoidal channel?
8. What is the significance of most economical section?
9. What is the classification of channel bottom slope which is used in flow profile computation? CE8403 Question Bank Applied Hydraulic Engineering
10. How do you measure the velocity of flow in open channel?
16 MARKS
1. A canal is formed with side slopes 2:1 and a bottom width of 3.0m. The bed slope is 1 in 4500. Using
manning’s formula and assuming manning’s n as 0.025. Calculate the depth of water for a discharge
of 3.0m3/sec for a uniform flow. CE8403 Question Bank Applied Hydraulic Engineering CE8403 Question papers Applied Hydraulic Engineering
2. Determine the dimensions of the most economical trapezoidal channel with manning’s N = 0.02, to
carry a discharge of 14m3/sec at a slope of 4 in 10,000.
3. Determine the longitudinal slope of a triangular channel carrying 1.2m3/sec for a normal depth of
flow 0.75m and a side slope 2 : 1. Take chezy’s C = 45.
4. A trapezoidal channel with side slope 1 to 1 has to be designed to convey 10m3/sec at a velocity of a CE8403 Question Bank Applied Hydraulic Engineering
2m/sec so that the amount of concrete lining for the bed and sides is the minimum. Calculate the area
of lining required for one metre length of channel
5. What diameter of a semicircular channel will have the same discharge has a rectangular channel of CE8403 Question Bank Applied Hydraulic Engineering
width 2.5m and depth 1.25m?.Assume the bed slope and Manning’s ‘n’ are the same for both the
channels. CE8403 Question Bank Applied Hydraulic Engineering
6. A canal is formed with side slopes 2:1 and a bottom width of 3.0m. The bed slope is 1 in 4500.
using manning’s formula and assuming manning’s ‘n’ as 0.025, calculate the depth of water for a CE8403 Question Bank Applied Hydraulic Engineering

 Subject name Applied Hydraulic Engineering Short Name AHE Semester 4 Subject Code CE8403 Regulation 2017 regulation