In steam propelled power plant, it is the amount of work that can be obtained from steam used in a prime mover which is equivalent to the change in its heat content from its condition at the entering state to that at the exhaust state.
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In steam propelled power plant, it is the amount of work that can be obtained from steam used in a prime mover which is equivalent to the change in its heat content from its condition at the entering state to that at the exhaust state.