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Manometer is 'U' tube pipe which is used for measuring the pressure difference between two points. The difference is denoted by 'h' . From this h value flow flowing through pipe is measured. By the formula Q=a1a2√2gh ---------------- √a1²-a2²
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What is a manometer?
Mohammed Saied replied to admin's topic in Fluid Mechanics's Conceptual Questions
Manometer used to measure the static pressure and based on the hydrostatic pressure variation equation, p=ρgh -
Define compressibility.
Mohammed Saied replied to admin's topic in Fluid Mechanics's Conceptual Questions
The compressibility of fluids is confined to their behavior in the mode of compression. The definition of the bulk modulus of elasticity stems from the relative change in volume and provides a measure of the compressibility of a fluid. -
In liquids, viscosity depends on the strength of cohesive forces between fluid molecules; hence an increase in temperature results in a decrease cohesive forces and a decrease in viscosity. For gases, viscosity depends on the momentum exchange between layers of gas moving at different velocities. An increase in temperature provides an increase in molecular activity and an increase in viscosity.
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Hi Everyone, Not my strongest topic but I do know the answer to this one. A Newtonian fluid's viscosity remains constant, no matter the amount of shear applied for a constant temperature. These fluids have a linear relationship between viscosity and shear stress. Non-Newtonian fluids are the opposite of Newtonian fluids. When shear is applied to non-Newtonian fluids, the viscosity of the fluid changes. This can be either Dilatant - viscosity is directly proportional, Psuedoplastic - viscosity is Inversely proportional, Rheopectic - viscosity is directly proportional over time or
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Why does the viscosity of a gas increases with the increase in temperature while that of a liquid decreases with increase in temperature ? You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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(a) Distinguish between ideal fluids and real fluids. Explain the importance of compressibility in fluid flow. (b) Define the terms: density, specific volume, specific gravity, vacuum pressure, compressible and incompressible fluids. You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Define compressibility. You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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What do you understand by terms: (i) Isothermal process, (ii) Adiabatic process, and (ii) Universal-gas constant You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Enunciate Newton's law of viscosity. Explain the importance of viscosity in fluid motion. What is the effect of temperature on viscosity of water and that of air? You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Explain the terms: (i) Dynamic viscosity, and (ii) Kinematic viscosity. Give their dimensions, You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Differentiate between : Liquids and gases, (i) Real fluids and ideal fluids, (ii) Specific weight and specific volume of a fluid You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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What is a manometer? How are they classified ? You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer