Q.

The flow separation occurs when the fluid travels away from the __________

A. Surface
B. Fluid body
C. Adverse pressure gradient
D. Inter-molecular spaces
Answer» C. Adverse pressure gradient
Explanation: Adverse pressure gradient takes place when the static pressure increases. It increases the direction of the flow. Adverse pressure gradient plays an important role in flow separation. Thus, option c is correct.
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Fluid Mechanics (FM)

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