Civil Engineering > GATE 2026 SET-2 > Pipe Flow
A centrifugal pump is delivering water from an underground tank to an overhead reservoir against a static head of 35 m through a 2 km long, 250 mm diameter pipe. The head-discharge characteristic of the pump is given by
H = 140 β 9000Q2
where H is the head (in m) generated by the pump and Q is the discharge (in m3/s) of the pump.
Neglecting all minor losses, the head (in m) generated by the pump is ______ (rounded off to the nearest integer).
Use: Darcy-Weisbach friction factor f = 0.04
Acceleration due to gravity = 9.81 m/s2
Ο = 3.14
H = 140 β 9000Q2
where H is the head (in m) generated by the pump and Q is the discharge (in m3/s) of the pump.
Neglecting all minor losses, the head (in m) generated by the pump is ______ (rounded off to the nearest integer).
Use: Darcy-Weisbach friction factor f = 0.04
Acceleration due to gravity = 9.81 m/s2
Ο = 3.14
Correct : 69
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