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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 6
36.
Terminal velocity is
a constant velocity with no acceleration.
a fluctuating velocity.
attained after moving one-half of total distance.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
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.
f1 = f2
f1 < f2
f1 > f2
data not sufficient to relate f1 & f2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
For an incompressible fluid, the bulk modulus of elasticity is
5 kg/m3
∞ N/m2
1 N
0 N/m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
A fluid is a substance, that
has to be kept in a closed container.
is almost incompressible.
has zero shear stress.
flows when even a small shear is applied to it.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The pressure intensity is the same in all directions at a point in a fluid
only when the fluid is frictionless.
only when the fluid is at rest having zero velocity.
when there is no motion of one fluid layer relative to an adjacent layer.
regardless of the motion of one fluid layer relative to an adjacent layer.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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