Chapter Seven
1. Freon 11 has been used as another vapour in turbines in low pressure range.
2. Note that in gas power cycles, air is used as the working medium. Here, ideal cycle efficiency is called air standard efficiency, and the efficiency ratio as relative efficiency. Otherwise, the meaning of the terms remain the same; only the nomenclature is changed, and some day, someone may try to bridge it up, except for their historical importance.
3. An adiabatic process is one in which there is no heat interaction between the system and the surrounding.
4. Steam engines are now rarely used and diesel engines are used as captive power plants in industries for power requirements up to 10 MW. For more power, a steam plant is used, and if gas is ...
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