A: 4th edition (2014) or 5th edition (2020). Both cover combined cycles and renewable integration. Old 2nd edition lacks modern topics.
Ask a senior. Photocopy only the solved problems (fair use allows 10% copying for educational purposes in India).
Instead of seeking pirated copies, consider these legitimate alternatives:
Some universities subscribe to e-book collections. Check your library’s portal for McGraw-Hill AccessEngineering—it may include Nag’s title.
Each chapter includes solved numerical problems—over 300 in total—which is why students hunt for the p k nag pdf free.

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