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.
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Questions Asked in 2024-25
Hydraulic Engineering And Machines (BCE403) — complete question paper · 70 marks · 3 Hours
- aWhat are energy dissipaters and where are they used?
- bWrite a short note on the Parshall flume
- cDefine different types of flow
- dWrite the types of surges
- eWhat is the most efficien t channel section and why?
- fWrite the Chezy's equation for uniform flow and explain its pa rameters
- gName and define three devices used for discharge measurement
- aExplain Chezy's and Manning's equations for uniform flow
- bCompare Francis and Kaplan tur bines in terms of efficiency and application
- cA 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
- dDraw neat sketch of various shapes of draft tubes. Also expl ain the theory of draft tube
- eWhat is NPSH of centrifugal pum p? How it is related to cavitations in pump?
- aExplain the working of Pelot on turbine with a neat diagram
- bA 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
- acritical flow condition. What is the corresponding fall in surface level?
- aCompare centrifugal and reci procating pumps with examples
- bUniform 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
- aExplain impulse momentum prin ciple and its application to jet impact
- bA 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
- aExplain the difference betwee n deep and shallow water waves
- bShow 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
- aA 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
- bShow 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)
What is the most efficien t channel section and why?
Appeared in: 2023-24 · 2024-25
Explain the difference betwee n deep and shallow water waves
Appeared in: 2023-24 · 2024-25
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