The efficiency of the vapour power Rankine cycle can be increased by
1. Increasing the temperature of the working fluid at which heat is added
2. Increasing the pressure of the working fluid at which heat is added
3. Decreasing the temperature or the working fluid at which heat is rejected
Which of the above statements are correct?
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3