Helium, flowing at rate of

0.25k(g)/(s)

is expanded in an adiabatic turbine operating at steady state from a pressure of

10MPa

and 300 degC to a pressure of 100

kPa

and

100degC

. Assume helium is an ideal gas with constant specific heat, and neglect any change in potential or kinetic energy. What is the work produced by the turbine, in units of

kW

?\

c_(p)=5.193k(J)/(k)g-K;c_(v)=3.116k(J)/(k)g-K

\

1038kW

\

155.8kW

\

259.7kW

\

623kW

Helium, flowing at rate of 0.25kg/s is expanded in an adiabatic turbine operating at steady state from a pressure of 10MPa and 300 degC to a pressure of 100 kPa and 100degC. Assume helium is an ideal gas with constant specific heat, and neglect any change in potential or kinetic energy. What is the work produced by the turbine, in units of kW ? cp=5.193kJ/kgK;cv=3.116kJ/kgK 1038kW 155.8kW 259.7kW 623kW