Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement.

Question: Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement.
[A].

f1 = f2

[B].

f1 < f2

[C].

f1 > f2

[D].

data not sufficient to relate f1 & f2

Answer: Option C

Explanation:

No answer description available for this question.

As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)

Question: As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)
[A].

1/μ

[B].

μ

[C].

μ2

[D].

1/μ2

Answer: Option B

Explanation:

No answer description available for this question.

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.

Question: A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.
[A].

Newtonion

[B].

Non-Newtonion

[C].

ideal

[D].

incompressible

Answer: Option A

Explanation:

No answer description available for this question.