Q378
Pick out the correct statement.
A.
A forced vortex occurs when fluid rotates as a solid about an axis
AnswerB.
In laminar flow, Newton's law of viscosity does not apply
C.
A free vortex occurs, when fluidrotates as a solid
D.
In turbulent flow, there are neither cross-currents nor eddies
Answer: Option A
Solution
Answer: Option A
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