What are the different methods of reheating used in practice? From the above numerical example it is evident that the gain in efficiency is insignificant by the application of reheat. So is it useful...

From the above numerical example it is evident that the gain in efficiency is insignificant by the application of reheat. So is it useful to adopt the reheat cycle?

What are the main disadvantages of the reheat cycle in comparison to the Rankine cycle?