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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 5
6.
The nominal size of a hose pipe is specified by its
I.D.
O.D.
thickness
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Transition from laminar flow to turbulent flow is aided by the
surface roughness and curvature (i.e.sharp corners).
vibration.
pressure gradient and the compressibility of the flowing medium.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
For flow of fluids through packed bed, the superficial velocity is
less than the average velocity through channels.
more than the average velocity through channels.
dependent on the pressure drop across the bed.
same as the average velocity through channels.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Cd is always __________ Cc.
greater than
less than
equal to
either more or less than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Buoyant force
for non-symmetrical bodies is not vertical.
depends on the depth of the submergence of the floating body.
depends on the weight of the floating body.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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