In Hagen-poiseuille flow of viscous liquid, one of the following pairs – McqOptions

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1.	In Hagen-poiseuille flow of viscous liquid, one of the following pairs of forces strike a balance
A.	Pressure and viscous forces
B.	Inertia and gravity forces
C.	3
D.	Gravity and viscous forces
E.	Inertia and viscous forces
Answer» F.

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