Study the given statements (S1, S2) about centrifugal pumps and select the most
appropriate option with respect to the correctness of the statements.
S₁: The operation of pumps connected in series (more than one impeller in the same shaft) increase the flow rate.
S₂: The operation pumps connected in parallel allow the head to increase.

Correct option is C

Pumps operating in series When two pumps are connected in series at the same flow rate the series pump yield high heads as compared to the individual heads produce by each pump.


Pumps operating in parallel In parallel, two pumps can simultaneously discharge a greater amount of water than the individual one. Hence boost the discharge, if two pumps are connected in parallel.