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Important Questions on Mechanical Properties of Fluids
Q1:
What is pressure? Write SI unit and Dimension.(2 Marks).
Q2:
Derive an expression of pressure P due to a liquid of density ρ at rest at depth h below the free surface of liquid column. ( For 3 Marks).
Q3:
Explain Open tube Manometer. (3 marks)
Q4:
Derive Laplace's Law for spherical membrane. Draw the labelled diagram of Hydraulic lift and Hydraulic brake system. (4 marks).
Q5:
Derive the relation between the surface energy and surface tension. (3 marks)
Q6:
Derive an expression of Excess pressure inside a liquid drop . (4 marks)
Q7:
Derive an expression for capillary rise or fall by usning pressure difference method. (3 marks)
Q8:
Distinguish between Streamline flow and Turbulent flow. (2 marks)
Q9:
Derive an expreesion of Bernoulli's Equation. (4 marks)
Q10:
Derive an expression for pressure exerted by liquid column. On which factors does the pressure due to liquid depend?(3 Marks).
Q11:
Write the following. (1 marks each)
i. Write the Properties of Fluids.
ii. State the Pascal's Law.
iii. Define Surface Tension.
iv. Define Cohesive force.
v. Define Adhesive force.
vi. Define Range of Molecular force.
vii. Define Sphere of influence.
viii. Define Surface film.
ix. Define Angle of contace.
x. Define Streamline.
xi. Define Turbulent flow.
xii. Define Velocity Gradient.
xiii. State Stoke's law.
xiv. Define Viscosity.
