Air enters a frictionless adiabatic horizontal nozzle at 12 bar and 167 C with inlet velocity 50 m/s and leaves at 3 bar. Take adiabatic index equal to 1.4 and cp = 1.005 kJ/kg-K.

• A. 654.78 m/s
• B. 321.75 m/s
• C. 552.45 m/s
• D. 456.87 m/s