Learn about new technologies!

What is the correct answer?


The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe)

A. (H - hf )/H

B. H/(H - hf )

C. (H + hf )/H

D. H/(H + hf )

Please do not use chat terms. Example: avoid using "grt" instead of "great".