Question
Download Solution PDFFor discharge Q, the specific speed of a pump is Ns. For half discharge with the same head, the specific speed will be:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Specific speed: For a centrifugal pump, specific speed is defined as the speed of a geometrically similar pump that would deliver one cubic metre of liquid per second against a head of one metre.
It is given as
Where, n = Speed in rpm; Q = Discharge; H = Head
Calculation:
Case 1
Case 2
Last updated on May 28, 2025
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