Question: Flow in a given pipe is to be tested with air and then with water. Assume that the velocities (VA and VW) are such that

Flow in a given pipe is to be tested with air and then with water. Assume that the velocities (VA and VW) are such that the flow with air is dynamically similar to the flow with water. Then for this condition, the magnitude of the ratio of the velocities, V_A/V_W, will be

(a) Less than unity,

(b) Equal to unity, or

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