[Solved] Which of the following flows have the highest critical Reynolds number (lower)?

McqMate

Q.	Which of the following flows have the highest critical Reynolds number (lower)?
A.	flow in a pipe
B.	flow between parallel plates
C.	flow in an open channel
D.	flow around spherical body
Answer» A. flow in a pipe
Explanation: the approximate lower critical reynolds number for flow in a pipe, flow between parallel plates, flow in an open channel and flow around the spherical body are 2000, 1000, 500 and 1 respectively.

3.2k

0

Do you find this helpful?

28

View all MCQs in

Fluid Mechanics and Machinery

Discussion

No comments yet

Related MCQs

The Reynolds number is found out for a flow in a circular pipe. This circular pipe is moulded into a square pipe, keeping length of the pipe same. Ignore the thickness of the pipe. The Reynolds number changes by
What can be the maximum diameter of the pipe for the water flow of velocity 1 m/s (ν = 10-6) to be laminar in nature? Assume Lower critical Reynolds number to be 2100.
How is Reynolds number defined as?
How do we calculate losses for a larger range of Reynolds number?
Which of the following runner types will have the highest vane angle at inlet (β1 value)?
have the highest vane angle at inlet (β1 value)?
Which among the following is the standard symbol for Archimedes number?
Which among the following is the standard symbol for Blake number?
Which among the following is the formula for Knudsen number?
Which among the following is the standard symbol for Atwood number?