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A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit discharge of wheel is

0.25 m3/s
0.5 m3/s
1.5 m3/s
2.5 m3/s

Correct Answer: 0.25 m3/s

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