Oil (SG = 0.9, Dynamic viscosity = 1 Poise) is flowing with a mean vel – McqOptions

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1.	Oil (SG = 0.9, Dynamic viscosity = 1 Poise) is flowing with a mean velocity of 1 m/s between two fixed parallel plates which are 1 cm apart. What will be shear stress at the surface of the plate?
A.	40 N/m2
B.	50 N/m2
C.	60 N/m2
D.	70 N/m2
Answer» D. 70 N/m2

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Oil (SG = 0.9, Dynamic viscosity = 1 Poise) is flowing with a mean velocity of 1 m/s between two fixed parallel plates which are 1 cm apart. What will be shear stress at the surface of the plate?