SSC JE Mechanical Engineering 25 Sep 2019 Shift 1 Paper

$\mathit{m}\mathit{k}\mathit{g}$ of steam at state 1 is admitted to a turbine and expands isentropically down to a lower pressure of state 2 . Its work output is:
Where, ${\mathit{h}}_1=$ enthalpy of the steam entering the turbine, ${\mathit{h}}_2=$ enthalpy of steam leaving from the turbine