Considerfollowing options for a simple Rankine cyclei) increasing pressure at exist of turbineii) increasing average temperature of heat additioniii) decreasing pressure at exit of turbineiv) superheating of steamv) decreasing pressure during superheating. Which combination of above will increase Rankine efficiency?

• A. i), ii) & iv)
• B. i), ii) & v)
• C. iii), iv) & v)
• D. ii), iii) & iv)