A reaction turbine has a degree of reaction \(50 \%\) (i.e., Parson's reaction turbine) and running at \(500 \mathrm{rpm}\) develops 8 MW using \(10 \mathrm{~kg} / \mathrm{kWh}\) of steam flow rate. The exit angle of the blades is \(18^{\circ}\) and the velocity of steam relative to the blade at exit is 2 times the mean peripheral speed. At a particular stage in the expansion, the pressure is 1.2 bar and the steam quality is \(90 \%\).

Calculate for the stage:

(i) Blade height assuming the ratio of \(\mathrm{Dm} / \mathrm{hb}\) as 12

(ii) Diagram power