Question: 4.14 Air flows through a rectangular duct which is 30cm wide by 20cm deep in cross-section. To determine the volume rate of flow experimentally the

4.14 Air flows through a rectangular duct which is 30cm wide by 20cm deep in cross-section. To determine the volume rate of flow experimentally the cross-section is divided into a number of imaginary rectangular elements of equal area and the velocity measured at the centre of each element with the following results: Calculate the volume rate of flow and the mean velocity in the duct. [0.202m3s1,3.364ms1]

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