In a single stage steam turbine saturated steam at 10 bar is supplied through a convergent divergent steam nozzle of \(20^{\circ}\) angle. The mean blade speed is \(400 \mathrm{~m} / \mathrm{s}\). The steam pressure leaving the nozzle is \(1 \mathrm{bar}\). Find ( \(a\) ) the best blade angles if they are equiangular, and \((b)\) the maximum power developed by the turbine if 5 nozzles are used of \(0.6 \mathrm{~cm}^{2}\) area at the throat. Assume nozzle efficiency \(90 \%\) and blade friction coefficient 0.87.