Question

19.04.2021 2 PM
Q.14)
Consider a fully developed laminar flow in a
circular pipe. If the daimeter of the pipe is
halved while the flow rate and length of the pipe
are kept constant, the head loss increases by a
factor ------- (1 marks)
Ans.
4
8
6​

Answer 1

The flow through the circular channel is fully developed and laminar.

The flow rate and pipe length are held constant.