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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 13
26.
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around
2000
10
100
1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Centrifugal pumps as compared to reciprocating pumps
run at a lower speed for the same discharge.
do not need priming.
deliver fluid with pulsating/fluctuating discharge.
can be run with discharge line valve closed for a short interval.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
What type of motion the fluid element undergoes, when it changes from one position to another position, such that the angle between the two sides change ?
Rotation
Translation
Linear deformation
Angular deformation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant ?
Rotational
Unsteady
Turbulent
Non-uniform
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The continuity equation in ideal fluid flow states that
net rate of inflow into any small volume must be zero.
energy is not constant along a streamline.
energy is constant along a streamline.
there exists a velocity potential.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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