(QC1) Steam enters the turbine of a vapor power plant at 1000lbf/in.2, 900oF and exits as a two-phase mixture at 1 lbf/in.2. Thequality of steam at exit is
0.812
0.912
0.802
0.902

The condenser of a Rankine cycle, the coolant water enters at20oC and leaves at 30oC. The water flow rate is 500 kg/s. The waterpressure is constant at 100kpa. The heat transfer in condenser(kJ/s)
20,900
30,900
25,900
40,900

In question (QC1), if turbine efficiency is 85%, the exitenthalpy at the condenser is:
980 Btu/lbm
1547 Btu/lbm
955 Btu/lbm
1655 Btu/lbm

In question (QC1), if turbine efficiency is 85%, the exitenthalpy at the condenser is:
980 Btu/lbm
1547 Btu/lbm
955 Btu/lbm
1655 Btu/lbm

A Rankine Cycle exhausting at 1 psia, operates with 2500 psiasaturated steam. What is the exhaust steam quality?
0.7555
0.7381
0.5971
0.8694

A water pump compresses saturated water at 1 to 2500 psia. Thepump efficiency is 0.80. What is the exit water temperature
105.86 F
102.63 F
104.73 F
110 F

(QC2) In an Ideal Rankine Cycle, steam at 20 MPa, 560 °C isexpended to 6 kPa. The final entropy of the steam is:
7.43 kJ/kg.K
6.37 kJ/kg.K
6.22 kJ/kg.K
7.54 kJ/kg.K

A Rankine Cycle exhausting at 1 psia, operates with 2500 psiasaturated steam. What is the exhaust steam quality?
0.7555
0.7381
0.5971
0.8694

In question (QC2), if turbine efficiency is 88%, the exitenthalpy at the condenser is:
1520 kJ/kg
2567 kJ/kg
2245 kJ/kg
1982 kJ/kg