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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 4
26.
A centrifugal pump has the following specifications:
Power = 4 H.P.; Speed = 800 rpm
Head = 8 metres
Flow = 1000 litres/minutes.
If its speed is halved, the new discharge will be __________ litres/minute.
500
200
1000
750
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The dimension of kinematic viscosity is
ML-2T-1
L2T-1
ML-2T-2
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/sec, the average velocity through the bifurcated pipes is
20 m/sec
10 m/sec
52 m/sec
5 m/sec
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Turbulent flow generally occurs for cases involving
highly viscous fluid
very narrow passages
very slow motion
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Lower BWG means __________ of the tube.
lower thickness
lower cross-section
outer diameter
inner diameter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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