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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 8
1.
One poise (unit of absolute/dynamic viscosity) is equivalent to one
gm/cm2. sec.
gm/cm. sec.
cm2/sec.
m2/sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/f)-0.4, is called the __________ equation.
Nikuradse
Von-Karman
Blausius
Colebrook
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Pressure drop for turbulent fluid flow through a circular pipe is given by
64/Re
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
What is the co-efficient of contraction, if a fluid jet discharging from a 50 mm diameter orifice has a 40 mm diameter at its vena-contracta ?
0.64
1.65
0.32
0.94
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
For an unstable equilibrium of a floating body (where, M = metacentre.)
M is above G
M is below G
M & G coincide
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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