$334.$ Steam undergoes isentropic expansion in a turbine from $5000$ kPa and $400$C $($entropy $=6\mathrm{.}65$ kJ$/$kg K$)$ to $150$ kPa$)($entropy of saturated liquid $=1\mathrm{.}4336$ kJ$/$kg$.$ K$,$ entropy of saturated vapour $=7\mathrm{.}2234$ kJ$/$kg$.$ K$)$ The exit condition of steam is

Superheated vapour

Partially condensed vapour with quality of $0\mathrm{.}9$

Saturated vapour

Partially condensed vapour with quality of $0\mathrm{.}1$