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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 7
21.
Fanning equation is given by. It is applicable to __________ region flow.
transition
laminar
turbulent
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
With a constant diameter impeller of a centrifugal pump
its capacity varies directly as the square of speed.
head varies as the square of speed.
horsepower input varies as the square of speed.
head varies as the speed.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
For water, when the pressure increases, the viscosity
also increases
decreases
remains constant
first decreases, and then increases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The head loss due to sudden expansion is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Location of vena-contracta in an orificemeter does not depend upon the
type of orifice.
density, viscosity & compressibility of the fluid.
ratio of pipe diameter to orifice diameter.
pipe roughness.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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