A) Liquid of high viscosity and high density flowing through a pipe of small radius
B) Liquid of high viscosity and low density flowing through a pipe of small radius
C) Liquid of low viscosity and low density flowing through a pipe of large radius
D) Liquid of low viscosity and high density flowing through a pipe of large radius
Correct Answer: B
Solution :
For streamline flow, Reynold's number \[{{N}_{R}}\propto \frac{r\,\rho }{\eta }\] should be less. For less value of \[{{N}_{R}}\], radius and density should be small and viscosity should be high.
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