The figure below shows a turbine with an inlet pipe and a draft tube. If the efficiency of the turbine is only 80 percent and the discharge of the water is 1000 litres per second. Calculate: 350 kN/m 0.4 m dia - Inlet pipe Turbine O.I G 0.5 m dia Draft tube Water (a) the power developed by the turbine: The velocity at point 1= m/s (answer in 3 decimal places) The turbine head = m (answer in 3 decimal places) The power of the turbine when it is 100 percent performance= kW (answer in 1 decimal place) The power of the turbine when the efficiency of the turbine is only 80 percent = kW (answer in 1 decimal place) (b) The reading of the gauge G: The velocity at the gauge G= m/s (answer in 3 decimal places) The reading of the gauge G= , kPa (answer in 1 decimal place)

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