B.TechSemester 52023-24Open Channel FlowKCE053
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Open Channel Flow (KCE053) - AKTU Question Paper 2023-24

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 2023-24. 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:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Open Channel Flow (KCE053) — extracted question text · 100 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
  • a
    Differentiate between prismati c & non prismatic channel. 2 1
  • b
    What are the various types of flow in open channels? 2 1
  • c
    Define critical dept h and normal depth. 2 2
  • d
    Write the differences between GVF & RVF. 2 2
  • e
    Differentiate between jump and surge. 2 3
  • f
    Define energy dissipater. 2 3
  • g
    What is spatially varied flow? 2 4
  • h
    Define bottom racks. 2 4 i. Which factor affect the f low through culvert? 2 5 j. Explain constrictions. 2 5
Section BAttempt any three o f t h e f o l l o w i n g : 10x3=30
  • a
    Derive the relationship between critical depth and specific energy for rectangular channel
  • b
    Explain the standard fourth order Runge-Kutta method to solv e the basic differential equation of GVF
  • c
    Discuss positive and negative surges in open channels, elucidating their causes, effects, and mitigation strategies
  • d
    Explain the fundamental principles of Spatially Varied Flow (SVF) and its significance in open channe l hydraulics. Provide two exampl es illustrating real-world scenarios where SVF occurs
  • e
    What is the importance of velocities for culvert design? Exp lain with neat sketch main components of culvert
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10x1=10
  • a
    Explain most efficient channel and find the expression for m ost efficient rectangular channel section
  • b
    Explain flow properties of ope n channel flow in details. 10 1
  • a
    Explain the equation governing gradually varied flow (GVF) i n open channels. Discuss the assumptions and limitations associated wi th this equation
  • b
    A rectangular channel 7.5m 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 downstream end of the channel, water surface is raised by 0.75m, determine the water surface slope with respect to horizontal at the section. Assume manning’s coefficient = 0.02
  • a
    Explain the characteristics of rapidly varied flow, emphasiz ing the conditions under which hydraulic jumps occur in open channels
  • b
    In a hydraulic jump occurring in a rectangular channel of 3 m, the discharge is 7.5 m3/s and the depth before the jump is 0.28 m. Estimate sequent depth and energy loss in the jump
  • a
    A rectangular channel 2 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 is known to occur over the rock. Estimated the discharge diverted out
  • b
    Discuss the classifications a nd solutions associated with Sp atially Varied Flow (SVF). Provide two distinct classifications and explain how these classifications impact the behavior of flow profiles in o pen channels
  • a
    Explain briefly the transiti ons of subcritical and supercritical flow. 10 5
  • b
    Explain the significance of non-prismatic channel sections i n open channel hydraulics. Discuss two design considerations specific to non- prismatic sections, emphasizing their implications for flow characteristics

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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