Civil Engineering MCQAE Level Civil Engineering
Two identical centrifugal pumps are connected in SERIES. Compared to a single pump operating at the same flow:
Fluid MechanicsPump in Series ParallelMEDIUM
Choose the correct answer
A
Total head doubles, flow stays same
B
Total flow doubles, head stays same
C
Both head and flow double
D
Head halves, flow doubles
Correct Answer
A. Total head doubles, flow stays same
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Pumps in series: heads add at the same flow rate. Total head = H1 + H2 (for identical pumps: 2H). Pumps in parallel: flows add at the same head. Total flow = Q1 + Q2 (for identical: 2Q).
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