The power transmitted through the pipe is maximum when the head lost due to friction is equal to
(A) One-fourth of the total supply head
(B) One-third of the total supply head
(C) One-half of the total supply head
(D) Two-third of the total supply head
(A) One-fourth of the total supply head
(B) One-third of the total supply head
(C) One-half of the total supply head
(D) Two-third of the total supply head