January 2026
Intermediate
900 pages
23h 23m
English
Aim: To design an impeller of a centrifugal pump to lift water from a sump to a reservoir with following data.
Quantity of water to be pumped = 5,000 litres/minutes
Height of centre line of pump above mean sump level = 3 m
Depth of centre line of pump below delivery point = 8 m
Length of suction pipe (total) = 10 m
Length of delivery piping = 60 m
Number of bends in suction branch = 1
Number of bends in delivery branch = 1
Centrifugal pump is to be directly coupled to an electric motor. A foot valve and a strainer are to be fitted at the opening of suction pipe. A gate valve is to be fitted at the junction of the adapter and delivery pipe, so as to isolate the delivery from pump whenever required.
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