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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 11
6.
The maximum discharge through a circular channel takes place, when the depth of the fluid flow is __________ times the pipe diameter.
0.25
0.5
0.66
0.95
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
When the head pumped against is less than the head of the fluid used for pumping, the usual device is a/an
ejector
blower
injector
airlift
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will
increase
decrease
remain unchanged
data insufficient to predict relative pressure drop.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
What is the value of co-efficient of discharge for square edged circular orifice (for β = 0.3 to 0.5) ?
0.61 - 0.63
0.5 - 0.75
0.75 - 0.90
0.35 - 0.55
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A lubricant 100 times more viscous than water would have a viscosity (in Pa.s)
0.01
0.1
1
10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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