What is the shear rate at the pipe wall, in case of laminar flow of Newtonian fluids in a pipe of diameter ‘D’ & length ‘L’ incurring a pressure drop ‘Δp’ with average velocity ‘Vavg’ ?

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Air vessel of a reciprocating pump is initially filled with___________________?

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A. A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocity B. Newton’s law of viscosity is not applicable to the turbulent flow of fluid with linear velocity distribution C. Laminar flow of viscous liquids is involved in the lubrication of various types of bearings D. Rise … Pick out the wrong statement?Read More...

Critical velocity in a pipe flow_________________?

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Normal depth in open channel flow is the depth of flow in the channel ____________________?

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