Extracts from the head-discharge characteristics of two centrifugal pumps are tabulated with respective subscripts 1 and 2; monometric head hm is given in meters; and discharge Q is given in lps:Q1214161820Hm50.252.851.350.030.0Hm242.438.835.732.025.0 The pumps are connected in series against a static head of 80 m; the estimate of the total of head losses is \(\frac{{{Q^2}}}{{120}}\)m What is the delivered discharge?

Extracts from the head-discharge characteristics of two centrifugal pu

1.	Extracts from the head-discharge characteristics of two centrifugal pumps are tabulated with respective subscripts 1 and 2; monometric head hm is given in meters; and discharge Q is given in lps:Q1214161820Hm50.252.851.350.030.0Hm242.438.835.732.025.0 The pumps are connected in series against a static head of 80 m; the estimate of the total of head losses is \(\frac{{{Q^2}}}{{120}}\)m What is the delivered discharge?
A.	15.80 lps
B.	16.35 kps
C.	17.35 lps
D.	17.75 lps
Answer» E.