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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 1
16.
Which of the following denotes the effect of compressibility in fluid flow ?
Weber number
Mach number
Euler number
Reynolds number
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Nominal size of the discharge pipe of a pump is usually __________ the nominal size of the inlet pipe.
smaller than
larger than
same as
twice
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The terminal velocity of a small sphere settling in a viscous fluid varies as the
first power of its dimeter.
inverse of the fluid viscosity.
inverse square of the diameter.
square of the difference in specific weights of solid & fluid.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
If the discharge of a centrifugal pump is throttled, then its suction lift
increases
decreases
remains unchanged
data insufficient to predict
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Foot valves provided in pumps are __________ valves.
relief
three/four way
pressure reducing
directional control
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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