Fluid Mechanics Fluid Machines (BME302) - AKTU Question Paper 2023-24
B.Tech · Semester 3 · Free PDF Download
This is the official AKTU Fluid Mechanics Fluid Machines Previous Year Question Paper for B.Tech Semester 3, academic session 2023-24. 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 2023-24
Fluid Mechanics Fluid Machines (BME302) — complete question paper · 70 marks · 3 Hours
- aWhat is specific weight and specific gravity? 2 1
- bDefine the terms Cc, Cv in case of orifice meter. 2 1
- cDifferentiate between laminar and turbulent flow. 2 2
- dDifferentiate between rotational and irrotational flow. 2 2
- eWhat is the expression of Reynold number? 2 3
- fWhat is the Mechanical efficiency of a Pump? 2 4
- gWhat is slip in case of reciprocating pump? 2 5
- aWhat is the use of venturimeter? Also derive the expression of discharge through venturimeter
- bExplain the principal of continuity equation. Also explain stea dy and unsteady flow
- cThe velocity distribution in the boundary layer is given by Where, δ= boundary layer thickness. Calculate the following: Displacement thickness Momentum thickness
- dDerive an expression for the wo rk done per second by water on t he runner of the Pelton wheel using velocity triangles and also find the exp ression for maximum efficiency
- eExplain the working of air vessel with neat diagram? What is th e importance of the air vessel for reciprocating pump?
- aCalculate the dynamic viscosity of oil, which is used for lu brication between a square plate of size 0.8m x 0.8m and an inclined plane with ang le of inclination 30°. The weight of square pla te is 300m and it slides down the inclined plane with a uniform velocity 0.3m/s. The thickness of the oil film is 1.5mm
- bExplain the concept of viscosity. Also explain the impact of temperature on viscosity
- aWater flows through a pipe AB 1.2 m diameter at 3m/s and then passes through
- apipe BC 1.5m diameter. At C the pipe branches, Branch CD is 0 . 8 m i n diameter and carries one third of the flow in AB. The flow velo city in branch CE is 2.5m/s. Find the volume rate of flow in AB, the velocity in BC, the velocity in CD and the diameter of CE
- bDerive an expression for contin uity equation in three dimens ions for Cartesian 7 2 co-ordinate which is applicable for steady and incompressible
- aWhat do you mean by boundary lay er separation? What is the effect of pressure gradient on boundary layer separation?
- bDerive an expression of velocity distribution when water is flowing in a circular pipe
- aA reaction turbine works at 450 r.p.m. under a head of 120m. Its diameter at inlet is 1.2m and the flow area is 0.4m 2.The angle made by absolute and relative velocities at inlet are 20° and 60° respectively with the tangential velocities. Determine: (i) The volume flow rate (ii) The power developed
- bExplain the phenomenon of cavitation in case of turbine. Als o write the method to avoid it
- aWhat are the difference between centrifugal pump and reciprocating pump? 7 5
- bDraw an indicator diagram for reciprocating pump. Prove that work done by the pump is proportional to the area of the indicator diagram
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 — BME302
Questions that appeared in more than one session, found by comparing 2 years of Fluid Mechanics Fluid Machines papers (2023-24, 2025-26)
Differentiate between laminar and turbulent flow. 2 2
Appeared in: 2023-24 · 2025-26
Differentiate between rotational and irrotational flow. 2 2
Appeared in: 2023-24 · 2025-26
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