SSC JE Mechanical Engineering 27 Oct 2020 Shift 2 Papers

Question : 115 of 200

Marks: +1, -0

In a laminar flow of a liquid down an inclined plane, the surface velocity is found to be 60 cm/s. the average velocity of the flow in cm/s is:

Solution:

V_\max = 60

cm/s.

V_\avg=2/3×V_\max

V_\avg=2/3×60

V_\avg= 40

cm/s.
Note:
Velocity profile In a laminar flow of a liquid down an inclined plane is parabolic in nature.

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