Bernoulli's equation can not be applied when the flow is
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a)rotational
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b)turbulent
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c)unsteady
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d)all of these
B
Correct answer
Explanation
Bernoulli's equation requires steady, incompressible, inviscid flow along a streamline. Turbulent flow is unsteady by definition and involves significant energy dissipation due to eddies, violating Bernoulli's assumptions. Rotational flows can also violate the irrotational requirement.