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Note for Fluid Mechanics and Hydraulic Machines - FMHM by Kiran Kumar

  • Fluid Mechanics and Hydraulic Machines - FMHM
  • Note
  • JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY - JNTUH
  • Mechanical Engineering
  • B.Tech
  • 58 Views
  • Uploaded 7 months ago
Kiran Kumar
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FLUID MECHANICS & HYDRAULIC MACHINERY IMPORTANT QUESTION FOR PART-A UNIT-I 1.Define the following terms? a.Density/ mass density/ specific mass, b.Weight density/specific weight, c.Specific volume, d.Specific gravity, e.Viscosity, f.Kinematic Viscosity, g.Vapour pressure, h.Cohesion i.Adhesion j.Surface tension k.Capillarity l.Compressibility m.Volume, n.Newtonian Fluid, Non- Newtonian Fluid & plastic fluid & Ideal fluid. 2. Define Fluid, Gas & Gaseous? 3.Explain Newton’s law of viscosity? 4.Pascal law? 5.Hydrostatic law? 6. Define kinematics? 7.Define kinetics? Mr. K. Kiran Kumar, M.Tech, (Ph.D) Assistant professor Department of Mechanical Engineering

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8.Define the pressure and its units? 9.What are the different types of manometers 10.State the different types of Mechanical gauges? 11.Define absolute pressure? 12.Write Piezometer working principle? 13.Define fluid and what are the types of fluid? 14.Define gauge pressure and atmosphere pressure? 15.Problems 16. A plate of 0.05mm distance for fixed plate move at velocity 1.2m/sec and required a force of 2.2N/M2 to maintain the speed. Find the velocity of fluid? 17.Calculate the specific weight, density, specific gravity of 1 litre of liquid with weight 7N? UNIT II 1.Define the langrangian method? 2.Define the Eulerian method? 3.What are the different types of fluids flows? a) Steady and unsteady flow b) Uniform and non uniform flow c) One, two and three dimensional flow d) Rotational and irrotational flow e) Laminar and turbulent flow f) Compressible and incompressible 4.What are the different types of flow lines and define? a) Path line b) Stream line c) Stream tube Mr. K. Kiran Kumar, M.Tech, (Ph.D) Assistant professor Department of Mechanical Engineering

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5.What is Rate of flow or discharge and its units? 6.Explain the continuity equation in 1D, 2D & 3D flow 7.Explain the different types of head? 8.Explain the Bernoulli’s equations? 9.What are assumptions should made in Bernoulli’s equations? 10.Explain the Euler’s equations for motions? 11.Define the Impulse momentum equation? UNIT-III 1.Explain the Reynolds’s experiment? 2.What are the types of losses? 3.What are the types of minor energy losses? 4.Explain the energy gradient line? 5.Explain the hydraulic gradient line? 6.What are the different types of Venturi meter? 7.What are the parts in Venturi meters? 8.Explain the Orifice meter? 9.Explain Pitot meter and flow nozzle? 10.Explain about cavitation? UNIT-IV 1.Explain the following condition of impact of jet vanes? A .force exerted on a stationary flat plate. B. force exerted on a stationary inclined plane to the jet C.force exerted on a stationary curved plate Case 1: jet strike the curved plate at the centre Mr. K. Kiran Kumar, M.Tech, (Ph.D) Assistant professor Department of Mechanical Engineering

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Case 2: jet strike the curved plate at one end at tangentially when the plate is symmetrical Case 3: jet strike the curved plate at one end at tangentially when the plate is unsymmetrical 2.Write the case study of impact of jet on vanes? 3.Explain the hydraulic turbine? 4.What are the classifications of hydraulic turbine? 5.What are the types of turbine? 6.What are the types of reaction turbine? 7.Define the draft tube? 8.What are the types of draft tube? 9.Explain the surge tank? 10.Explain about Draft tube theory? 11.Explain about Surge tank importance? 12.Explain about water hammer? 13.What is the use of Governor in turbines? 14.How to select a turbine? 15.Geometric similarity, Unit and specific quantities? 16.Write all important formulas for turbine efficiencies? 17.Characteristic curves of turbines? UNIT-V 1. What are the classifications of pumps? 2. Characteristic curves of pumps? 3. What are the classifications of reciprocating pumps? 4. Characteristic curves of reciprocating pumps? Mr. K. Kiran Kumar, M.Tech, (Ph.D) Assistant professor Department of Mechanical Engineering

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