The loss of head in a pipe of certain length carrying a flow rate Q is found to be H. If a pipe of twice the diameter but the same length is to carry a flow rate of 2Q the head loss will be

The loss of head in a pipe of certain length carrying a flow rate Q is

1.	The loss of head in a pipe of certain length carrying a flow rate Q is found to be H. If a pipe of twice the diameter but the same length is to carry a flow rate of 2Q the head loss will be
A.	\(\frac H2\)
B.	\(\frac H8\)
C.	\(\frac H4\)
D.	H
Answer» C. \(\frac H4\)