B.TechSemester 42024-25Hydraulic Engineering And MachinesBCE403

Hydraulic Engineering And Machines (BCE403) - AKTU Question Paper 2024-25

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Hydraulic Engineering And Machines Previous Year Question Paper for B.Tech Semester 4, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 4
Session:2024-25
University:AKTU / UPTU

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Questions Asked in 2024-25

Hydraulic Engineering And Machines (BCE403) — complete question paper · 70 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 02 x 7 = 14
  • a
    What are energy dissipaters and where are they used?
  • b
    Write a short note on the Parshall flume
  • c
    Define different types of flow
  • d
    Write the types of surges
  • e
    What is the most efficien t channel section and why?
  • f
    Write the Chezy's equation for uniform flow and explain its pa rameters
  • g
    Name and define three devices used for discharge measurement
Section BAttempt any three o f t h e f o l l o w i n g : 07 x 3 = 21
  • a
    Explain Chezy's and Manning's equations for uniform flow
  • b
    Compare Francis and Kaplan tur bines in terms of efficiency and application
  • c
    A trapezoidal channel with s ide slopes of 2(H):1(V) has to be designed to carry 20 m³/sec at a slope of 1/5500. Determine the depth of flow. Botto m width = 3.0 m and Manning's coefficient = 0.015
  • d
    Draw neat sketch of various shapes of draft tubes. Also expl ain the theory of draft tube
  • e
    What is NPSH of centrifugal pum p? How it is related to cavitations in pump?
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Explain the working of Pelot on turbine with a neat diagram
  • b
    A wide rectangular channel carries a flow of 2.75 m³/sec per meter width, the depth of flow being 1.5 m. Calculate the rise of the floor leve l required to produce
  • a
    critical flow condition. What is the corresponding fall in surface level?
  • a
    Compare centrifugal and reci procating pumps with examples
  • b
    Uniform flow occurs at a depth of 1.5 m in a long rectangula r channel 3 m wide and laid to a slope of 0.0009. If Manning's n = 0.015 Calculate ( a ) M a x i m u m height of hump on the floor to produce critical depth (b) The w idth of contraction which will produce critical depth without increasing the upstream depth of flow
  • a
    Explain impulse momentum prin ciple and its application to jet impact
  • b
    A natural channel with 50 m width and 1.50 m deep has an ave rage bed slope of 0.0005. Estimate the length of the GVF profile produced by a lo w weir which raises the water surface just upstream of it by 0.75 m. Assume n = 0.035
  • a
    Explain the difference betwee n deep and shallow water waves
  • b
    Show that in rectangular channe l maximum discharge occurs wh e n t h e f l o w i s critical for a given value of specific energy
  • a
    A Pelton wheel turbine is to be designed for the following s pecifications: Shaft power =11,775 kW , Head 400 m, speed = 750 rpm, Overall efficie ncy = 86% , Jet diameter to wheel diameter ratio is not to exceed one sixth (1/6). Find Wheel diameter and Jet diameter
  • b
    Show that in rectangular channe l maximum discharge occurs wh e n t h e f l o w i s critical for a given value of specific energy

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 — BCE403

Questions that appeared in more than one session, found by comparing 2 years of Hydraulic Engineering And Machines papers (2023-24, 2024-25)

2x

What is the most efficien t channel section and why?

Appeared in: 2023-24 · 2024-25

2x

Explain the difference betwee n deep and shallow water waves

Appeared in: 2023-24 · 2024-25

Hydraulic Engineering And Machines — Other Year Papers

AKTU Hydraulic Engineering And Machines PYQs from other sessions