Question

Which of the following is not included in the friction head?

(a) Head Loss in entire length of piping

(b) Total static head

(c) Head Loss in bend tees

(d) Head Loss in valves

I have been asked this question by my college professor while I was bunking the class.

My question is from Selection of Pumping Units topic in chapter Pumps and Pumping of Environmental Engineering

Answer 1

Correct answer is (b) Total static head

Easy explanation: The friction head is the sum of head Loss in the entire length of piping, head Loss in bend tees and head Loss in valves.