Fluid mechanics-1
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- Define Newtonian and Non-Newtonian Fluids
- What is Cavitation?
- Explain differential Manometers.
- Write on Rotameter.
- Explain the terms : i) Dynamic Viscosity ii) Kinematic Viscosity
- Laminar boundary layer
- Meta Centre
- Displacement thickness
- Pathlines, Steaklines and Streamlines
- Rotational and irrotational flow
- Define bulk modulus. How it is related to compressibility?
- State Pascal's law
- What is meant by intensity of pressure? How it varies with depth of fluid?
- Write Bernoulli's equation
- Define stream function and potential function.
- What is the significance of dimensional less numbers?
- Define stream line, path line and streak line.
- What are the various flow measurement devices?
- Define Froude number
- What is Archimede’s Principle?
- Define the term continuum as applied to the mechanism of flow
- Explain the term dynamic viscosity and kinematic viscosity.
- Explain using the concept of fluid mechanics, why petrol evaporates more readily then water at ordinary temperature.
- Classify different types of fluid. Distinguish between the Newtonian and NonNewtonian fluid.
- What are flow nets? What is its utility?
- Prove that streamlines and equipotential lines are orthogonal.
- What are the conditions of a floating body and a submerged body?
- What would be the effect on time period of oscillation with the increase in Meta centric height?
- What do you understand by stagnation pressure and dynamic pressure?
- What is Vena-contracta?
- How does :a) a fluid differ from a solid b) a liquid differ from a gas?
- Explain hydrostatic paradox.
- How is the stability of floating and submerged bodies determined?
- Define vorticity and circulation.
- Draw hydraulic and energy gradient lines for flow in an inclined pipe connecting between the two reservoirs at different elevations.
- Define free and forced vortex motions. Give examples.
- What is Rayleigh’s method of dimensional analysis?
- Using Darcy and Hagen-Poiseuille equations, derive expression for friction factor.
- What is the hydraulics of flow through parallel pipes?
- What is a mouthpiece and how are mouthpieces classified?