Question: Pick up the incorrect statement a. If the flow is said to be irrotational flow, the vorticity will be non-zero. b. Angular deformation occurs

Pick up the incorrect statement a. If the flow is said to

Pick up the incorrect statement a. If the flow is said to be irrotational flow, the vorticity will be non-zero. b. Angular deformation occurs when there is change in the angles of the differential fluid element c. If the rate of change of angles of alpha and beta for a fluid element are equal over time, there is irrotational deformation d. Rotation in fluid flow can be imparted if there is an obstruction in the flow field because of the no slip condition

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