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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 9
36.
An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonion fluid beyond yield stress. Which of the following is an ideal plastic ?
Sewage sludge
Rubber latex
Blood
Sugar solution
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The capacity of a centrifugal pump Can be increased by increasing the
impeller diameter or speed.
number of pumps and joining them in series,
number of pumps and joining them in parallel.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Which law is followed by the velocity distribution in the turbulent boundary layer?
Parabolic law
Linear law
Logarithmic law
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The losses in open channel flow generally vary as the
inverse of the roughness.
first power of the roughness.
square of the velocity.
inverse square of hydraulic radius.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Rise of liquid in a capillary tube is due to
cohesion
adhesion
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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