Data for a centrifugal pump discharging water from a sump to the surface are given.
| Parameter | Value |
|---|---|
| Head, m | 180 |
| Discharge rate, m(^3)/hr | 320 |
| Operating hours per day for 270 days in a year | 14 |
| Operating hours per day for remaining 95 days | 20 |
| Overall efficiency of the pumping system | 0.70 |
| Specific weight of mine water, kN/m(^3) | 10.20 |
The annual electrical power consumption in GWh, due to pumping operation, is _____. (round off up to 2 decimals)
Min: 1.31 Max: 1.33
Answer: 1.32
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