The following information are supplied at the inlet and exit of an adiabatic nozzle operating at steady

Question:

The following information are supplied at the inlet and exit of an adiabatic nozzle operating at steady state: Inlet: V = 30 m/s, h = 976.2 kJ/kg, s = 6.149 kJ/kg-K; Exit: h = 825.5 kJ/kg. Determine
(a) The exit velocity.
(b) The minimum specific entropy (s) possible at the exit.