Q. Manometric head, in case of a centrifugal pump, is equal to

• (A) Suction lift + Loss of head in suction pipe due to driction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe
• (B) Workdone per kN of water - Losses within the impeller
• (C) Energy per kN at outlet of impeller - Energy per kN at inlet of impeller
• (D) all of the above