Assuming the following velocity distribution in a circular pipe, 1/7 Umax (1-4) ¹7 U = Umax where Umax = maximum velocity, R = radius of pipe, u = velocity at a radius r from the centre of pipe, calculate : (1) The ratio of the mean and the maximum velocity (1) The radius at which the actual velocity equals the mean velocity.

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Q: the of impact. 570'

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Q: Select the true items related to speed-flow plot. Select only the four correct answers.

A: Following is required answer :

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.