B.TechSemester 52022-23Open Channel FlowKCE053

Open Channel Flow (KCE053) - AKTU Question Paper 2022-23

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Open Channel Flow Previous Year Question Paper for B.Tech Semester 5, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 5
Session:2022-23
University:AKTU / UPTU

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Questions Asked in 2022-23

Open Channel Flow (KCE053) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20
  • a
    Define specific force
  • b
    What do you understand by adverse slope?
  • c
    Write the formula for relation between water surface slopes and channel
  • d
    Draw the neat sketch S3 profile
  • e
    What do you understand by length of jump?
  • g
    Give the classification of spatially varied flow
  • h
    Define bottom racks (i) Define spiral flow. (j) What do you understand by constrictions?
Section BAttempt any three of the following: 10x3=30
  • a
    Differentiate between normal depth and critical depth in open channel flow
  • b
    A rectangular channel 7.5 m wide has a uniform depth flow 2.0 m and has a bed slope of 1 in 3000. If due to weir constructed at a d ownstream end of the channel, water surface is raised by 0.75 m , determi ne the water surface slope with respect to horizontal at the section. Assume Manning’s n=0.02
  • c
    Hydraulic jump is formed in a 5m wide rectangular channel carr ying a discharge of 20m 3/s. The pre jump depth is 0.5 m. Find the past jump depth, post jump Froude no, and energy loss in the jump
  • d
    Write the assumptions for diffe rential equation spatially varied flow with increasing discharge
  • e
    With neat sketches, classify the culvert flow with outlet unsu bmerged conditions
Section CAttempt any one part of the following: 10 x 1 = 10
  • a
    A C o n c r e t e l i n e d t r a p e z o i d a l channel with uniform flow carries a discharge of 30 cumecs. The basi c width is 5 m and the side slo pes one equal 1:2 (V:H). Manning’s n can be taken as 0.015 and the bed slope =0.001. What is normal depth of flow?
  • b
    For a trapezoidal channel of m ost economical s ection , prove t hat: (i) half of top width = Length of one of the sloping side (ii) Hyd raulic mean depth = (1/2) X Depth of flow
  • a
    Explain the standard fourth or der Runge-Kutta method to solve the basic differential equation of gradually varied flow
  • b
    Explain with neat sketch computa tion of gradually varied flow for the graphical method
  • a
    Explain with the neat sketch positive surge moving downstream? Also find the expression for this
  • b
    A hydraulic jump takes place in as horizontal triangular chann el having the side’s slope of 1.5H: 1V. The depth before and after jump are 0.4 m and 1.5 m respectively. Estimate the flow rate and Fr oude no. at the beginning and End of the jump
  • a
    A rectangular channel 2.0 m wide carries a discharge of 3.5 m 3/s at a Froude number of 0.30. A 2 m long parallel longitudinal bars bo ttom rack having E=0.2 is provided at a section. Super critical flow i s known to occur over the rock. Estimated the discharge diverted out
  • b
    A side channel spillway channel is 100 m long and its rectangu lar is cross-section with b= 5.0 m, n=0.020, β=1.30 and S o =0.15. If the lateral inflow rate is 1.75 m 3/s/m, find the critical depth and its location
  • a
    For practical purposes, how ma ny types culvert flow and also draw the neat sketch their types with profile.1
  • b
    Write for a simple analysis of flow characteristics which cond itions are assumed. Also find the expression for over all coefficient of discharge

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KCE053

Questions that appeared in more than one session, found by comparing 2 years of Open Channel Flow papers (2022-23, 2023-24)

2x

A rectangular channel 7.5 m wide has a uniform depth flow 2.0 m and has a bed slope of 1 in 3000. If due to weir constructed at a d ownstream end of the channel, water surface is raised by 0.75 m , determi ne the water surface slope with respect to horizontal at the section. Assume Manning’s n=0.02

Appeared in: 2022-23 · 2023-24

2x

Explain the standard fourth or der Runge-Kutta method to solve the basic differential equation of gradually varied flow

Appeared in: 2022-23 · 2023-24

2x

A rectangular channel 2.0 m wide carries a discharge of 3.5 m 3/s at a Froude number of 0.30. A 2 m long parallel longitudinal bars bo ttom rack having E=0.2 is provided at a section. Super critical flow i s known to occur over the rock. Estimated the discharge diverted out

Appeared in: 2022-23 · 2023-24

Open Channel Flow — Other Year Papers

AKTU Open Channel Flow PYQs from other sessions

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