Question

Consider fully developed flow in a circular pipe with negligible entrance effects. If the length of the pipe is doubled, the head loss will:_________
(a) double,
(b) more than double,
(c) less than double,
(d) reduce by half, or
(e) remain constant.

Answer 1

A. Double

Piping head loss is calculated by converting all fittings to equivalent length/distance of a specific interior pipe diameter.