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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 12
6.
__________ pumps are a group of vacuum pumps.
Hyter
Sump
Mono
Submerged
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Plunger pumps are used for
higher pressure
slurries
viscous mass
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?
0.5
1
1.5
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In turbulent flow, the
fluid particles move in an orderly manner.
momentum transfer is on molecular scale only.
shear stress is caused more effectively by cohesion than momentum transfer.
shear stresses are generally larger than in a similar laminar flow.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Momentum correction factor used in fluid flow problems accounts for the
change in direction of flow.
change in total energy.
change in pressure.
non uniform direction of velocities at inlet & outlet sections.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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