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ENME 201Bachelor in Aerospace Engineering · Semester 32 Papers Available

Fluid Mechanics

Past examination question papers and complete curriculum syllabus for Fluid Mechanics (ENME 201), Bachelor in Aerospace Engineering Semester 3 under Institute of Engineering (IOE), Tribhuvan University.

Sem 3 Subjects (4)View Full Semester Overview →
ENSH 201Engineering Mathematics IIIENME 201Fluid MechanicsENME 202ThermodynamicsENCE 201Applied Dynamics
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3rd-sem_Fluid Mechanics.pdf

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Most Frequently Asked Questions

Top recurring IOE board exam questions for Fluid Mechanics with verified mark schemes, formula notation, and recurrence frequency.

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Year-wise & Session-wise Exam Papers

Complete questions from each exam session (Regular & Back exams from 2082 to 2069) for Fluid Mechanics. Click any session paper to expand.

Showing 74 questions across 15 exam session papers
Institute of Engineering • 2083 Baishakh Board Examination
Q1[8 Marks]Fluid Statics📐 Diagram in Paper
(a) Determine the horizontal and vertical force acting on face ABC in a tank containing water as shown in figure below: [8] b) What is metacenter and metacentric height of floating body? Describe the analytical method of determining metacentric height.
Q2[5 Marks]Fluid Flow Kinematics
(a) Explain in brief about Lagrangian and Eulerian concept in fluid mechanics. Define streamline, streakline and pathline. [8] (b) Derive Euler's equation of motion with appropriate assumptions. Define Drag and lift with sketches and equations.
Q3[8 Marks]Application of Energy and Momentum Equation
(a) Water flows through a rectangular channel side and deep and then over a Cipolletti weir of crest length . If the water level in the channel is above the weir crest, calculate the discharge over the weir. Take and make correction for the velocity of approach. [8] (b) A nozzle at the end of a hose produces a jet in diameter. Determine the longitudinal force in the joint at the base of the nozzle when it is discharging of water per minute.
Q4[8 Marks]Flow Through Submerged Body and Boundary Layer Theory
a) Find the displacement thickness, the momentum thickness and energy thickness for the velocity distribution in the boundary layer given by [8] b) The pressure difference in a pipe of diameter '' and length '' due to turbulent flow depends on the velocity '' viscosity '', density '' and roughness height ''. Using Buckingham's -theorem, obtain an expression for .

Curriculum Syllabus & Course Topics

Sourced from TU curriculum portal
Full Syllabus (PDF)
Chapter-wise Units & Micro-Syllabus Topics (7 Units)

  1. 1. Fundamental Concepts of Fluids

    • 1.1Definition and characteristics of fluid, distinction between liquid and gases
    • 1.2Thermodynamic system, control volume and continuum concept
    • 1.3Basic fluid properties: Mass density, specific weight, specific gravity, cavitation, vapor pressure, surface tension, capillarity and viscosity
    • 1.4Isothermal and adiabatic compressibility
    • 1.5Liquid-vapour phase transition, Isobaric evaporation during heating, isothermal condensation during cooling, vapour pressure vs temperature.
    • 1.6Fluid pressure and types, pressure head and basic pressure laws (Pascal law, hydrostatic law)
    • 1.7Pressure measurement: Manometers (piezometer, U-tube manometer and micro manometers)

  2. 2. Fluid Statics

    • 2.1Hydrostatics forces on plane and curved surfaces; concepts
    • 2.2Hydrostatic thrusts on submerged surfaces; total pressure and centre of pressure (Plane and curve surfaces)
    • 2.3Pressure diagram (plane and curve surfaces)
    • 2.4Computation of pressure forces on gates, dams and civil hydraulic structures (Plane and curve cases)
    • 2.5Buoyancy and Archimedes principle, floatation concept
    • 2.6Condition of equilibrium: Stability of submerged and floating bodies
    • 2.7Metacenter and determination of metacentric height (Analytical and experimental method)
    • 2.8Liquid in relative equilibrium: Liquid in a container subjected to uniform acceleration in horizontal, vertical and inclined directions; uniform radial acceleration about vertical axis

  3. 3. Fluid Flow Kinematics

    • 3.1Lagrangian and Eulerian concept in fluid flow, classification of flow
    • 3.2Description of flow patterns: Streamlines, streak lines, path lines (Equations and practical examples)
    • 3.3Stream tube, stream functions and velocity potentials functions, total acceleration
    • 3.4Conservation principle of mass, continuity equation of Cartesian and polar co- ordinates
    • 3.5Discharges and mean velocity of flow

  4. 4. Fluid Dynamics

    • 4.1Various forces acting on a fluid in motion (Gravitational, pressure, viscous, turbulent, surface tension and compression)
    • 4.2Concept of Reynold and Navier-Stokes' equation of motion
    • 4.3Euler's equation of motion and its application
    • 4.4Bernoulli's equation: Concept, assumptions, application examples
    • 4.5Momentum and fluid flow, linear momentum equations for two-dimensional flow and moment of momentum equation

  5. 5. Application of Energy and Momentum Equation

    • 5.1Flow measurement devices: Venturi-meter (Horizontal, inclined and vertical), orifice meter, nozzle meter and Pitot tube (Working principal, governing equations and application examples)
    • 5.2Flow through orifices: Small orifice, large orifice, partially and totally submersed orifices (Equations and examples)
    • 5.3Hydraulic coefficients and their determinations
    • 5.4Flow over notches and weirs, discharge equations, concept of end contraction and approach velocity
    • 5.5Force exerted by jets striking a flat plate and moving (Plane and curve) vanes
    • 5.6Force exerted on pipe bends and closed conduits

  6. 6. Dimensional Analysis and Physical Modelling

    • 6.1Introduction to dimensional analysis (Physical quantity and their dimensions)
    • 6.2Methods of dimensional analysis: Rayleigh’s method and Buckingham’s π- theorem
    • 6.3Applications of dimensional analysis in fluid flow problems
    • 6.4Concept of physical modelling and its relation to dimensional analysis
    • 6.5Types of similarities
    • 6.6General model laws, application of Reynold’s and Froude’s model law in civil engineering

  7. 7. Flow Through Submerged Body and Boundary Layer Theory

    • 7.1Description of boundary layer and its thickness (Flat plate only)
    • 7.2Laminar and turbulent boundary layer on a flat plate with zero pressure gradient
    • 7.3Friction drags for laminar and turbulent boundary layer, engineering examples
    • 7.4Effect of pressure gradient and flow separation concept
    • 7.5Concept of drag and lift (Types and formulas)
    • 7.6Drag on cylinder and flat plate, application in engineering

Examination Scheme & Marks Distribution

Evaluation Structure

  • Final Board Theory Exam: 60 Marks (Pass mark: 24)
  • Internal Assessment: 40 Marks (Pass mark: 16)
  • Practical / Lab Exam: 25 or 50 Marks (Continuous lab evaluation + viva, where applicable)

* This is the general current IOE 60/40 scheme; verify course-specific details in the syllabus above.

Exam Preparation Guidelines

  • Review the 2 available past examination papers to identify recurring patterns, core problem types, and chapter weightage.
  • Practice numerical problems step-by-step with clean formula derivations, clear units, and standard assumptions.
  • Structure answers with labeled diagrams, concise bullet points, and highlight final answers in numerical solutions.
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Curriculum Syllabus & Marking Scheme