Fluid Mechanics Exam Prep
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Fluid Mechanics Exam Prep
Sample questions with model answers
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State and prove the Pascal's law.
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Pascal's law states that pressure applied to a confined fluid is transmitted undiminished in all directions; proof involves considering a small area on the fluid.
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Define and Explain Newton's law of viscosity.
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Newton's law of viscosity states that the shear stress is proportional to the shear rate; it describes the relationship between viscosity and flow.
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Drive an expression for pressure head in a fluid at rest.
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The pressure head in a fluid at rest is given by \( h = rac{P}{ ho g} \), where \( P \) is pressure, \( ho \) is density, and \( g \) is acceleration due to gravity.
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Explain different types of manometer.
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Types of manometers include U-tube manometers, piezometers, and inclined manometers, each used to measure fluid pressure.
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