

MCQOPTIONS
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1. |
A fluid element has a velocity V = -y . xi + 2yx . j. The motion at (x, y) = (l/, 1) is |
A. | rotational and incompressible |
B. | rotational and compressible |
C. | irrotational and compressible |
D. | irrotational and incompressible |
Answer» C. irrotational and compressible | |