Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 7.5 kPa. Determine the quality of the steam at the turbine exit. Use steam tables. The quality of the steam at the turbine exit is 8.64 x 10^-6

Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 7.5 kPa. Determine the mass flow rate of the steam. The mass flow rate of steam is 109.1 kg/s.

A vapor-compression cycle is used as a refrigerator to extract 8 kW of heat from a cold space at 0°C and rejects heat into a space at 25°C. R-134a enters the compressor at 140 kPa superheated by 4°C above the saturation temperature and leaves at 900 kPa. It exits the condensor as a saturated liquid. Assume that pressure losses are negligible and that the compressor is isentropic. Report your answers to four significant digits using rounding. QUESTION 1 Report the maximum possible COP. QUESTION 3 Report the power required by the compressor. QUESTION 2 Report the mass flow rate in kg/s. QUESTION 4 Report the COP for the cycle.

Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 7.5 kPa.   Show the cycle on a T-s diagram with respect to saturation lines.