B.TechSemester 32021-22Fluid Mechanics Fluid MachinesKME-302
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Fluid Mechanics Fluid Machines (KME-302) - AKTU Question Paper 2021-22

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 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 3
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Fluid Mechanics Fluid Machines (KME-302) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
  • a
    Define ideal fluid. 2 1
  • b
    Describe capillary rise. 2 1
  • c
    Define Froude’s number. 2 2
  • d
    Describe the significance of Reynold’s number. 2 2
  • e
    Explain eddy viscosity. 2 3
  • f
    Define laminar sub layer. 2 3
  • g
    Define unit power for a turbine. 2 4
  • h
    Explain the function of penstock i n a hydroelectric power plant. 2 4 i. Define a pump. 2 5 j. Describe the slip of a reciprocating pump. 2 5
Section BAttempt any three o f t h e f o l l o w i n g : 3 x 10 = 30
  • a
    A horizontal venturimeter with inlet diameter 200 mm and thr oat diameter 100 mm is employed to measure the flow of water. The reading of the connected differential ma nometer is 180 mm of mercury. Calculate the rate of flow if the co-efficient of discharge is 0.98
  • b
    For a two-dimensional flow t he velocity potential function i s given by the expression, (i) Determine velocity components in x and y directions. (ii) Determine stream function
  • c
    Derive the expression f or energy thickness. 10 3
  • d
    Explain the governing of Pelt on turbine with neat sketch. 10 4
  • e
    Explain the ideal indicator diagram. Describe the effect of friction in suction and delivery pipes on indicator diagram
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 1 x 10 = 10
  • a
    Discuss the effect of increase in temperature on viscosity o f fluids along with the logic
  • b
    Illustrate the difference between notch and weir. During an experiment in a laboratory, 0.05 m 3 of water flowing over a right-angled notch was collected in 1 minute. If the head of the sill is 50 mm, calcul ate the co- efficient of discharge
  • a
    The resistance R experienced by a partially submerged body d epends upon the velocity V, length of the body l, viscosity of the fluid 𝜇, density of the fluid 𝜌 and gravitational accelerati on g. Using Buckingham’s pi theorem, determine an expression for R
  • b
    Illustrate the derivation for continuity equation for three- dimensional flow
  • a
    Illustrate: (i) Siphon (ii) Pipes in series (iii) Total energy line
  • b
    A kite 0.8 m X 0.8 m weighing 3.924 N assumes an angle of 12 0 to the horizontal. The string attached t o the kite makes an angle of 4 50 to the horizontal. The pull on the string is 24.525 N when the wind i s flowing at a speed of 30 km/hour. Calculate the corresponding co-effici ent of drag and co-efficient of lift. Density of air is given as 1.25 kg/m3
  • a
    Illustrate the derivati on for the expressions of: (i) Unit discharge for a turbine (ii) Unit speed for a turbine
  • b
    A jet of water, 60 mm in diameter, strikes a curved plate at its center with a velocity of 18 m/s. The curved vane is moving with a vel ocity of 6 m/s in the direction of the jet. The jet is deflected through an angle of 1650. Assuming the plate to be smooth, calculate: (i) Thrust on the plate in the direction of jet (ii) Power of the jet (iii) Efficiency of the jet
  • a
    Illustrate the derivation for the: (i) Specific speed of centrifugal pump (ii) Minimum speed for starting a centrifugal pump
  • b
    Illustrate the classification of reciprocating pump. Show th a t t h e w o r k done by a reciprocating pump is proportional to the area of ind icator 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 — KME-302

Questions that appeared in more than one session, found by comparing 2 years of Fluid Mechanics Fluid Machines papers (2021-22, 2022-23)

2x

Explain the ideal indicator diagram. Describe the effect of friction in suction and delivery pipes on indicator diagram

Appeared in: 2021-22 · 2022-23

2x

Illustrate the derivation for the: (i) Specific speed of centrifugal pump (ii) Minimum speed for starting a centrifugal pump

Appeared in: 2021-22 · 2022-23

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📘 Fluid Mechanics and Fluid Machines — Unit-wise SyllabusBME302AKTU 2nd Year SyllabusAKTU 2nd Year PYQs — All BranchesAERONAUTICAL 2nd Year SyllabusMECHANICAL 2nd Year Syllabus