An oil with a specific gravity of 0.84 and a viscosity of 50 cp is flowing downwards in a vertical pipe of inside diameter 3 in. If the water-oil manometer connected to a pitot tube, shows a reading of 25 in, calculate the maximum velocity of the flow of oil in the pipe. Reynolds number of the flow of oil in the pipe. average velocity of the flow of oil in the pipe.

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Q: 25 mm inside diameter,

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Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.