Thermodynamic Principles and Applications in Engineering by PK NAG (Chapter 01)
Thermodynamic Principles and Applications in Engineering by PK NAG (Chapter 01)
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Saurabh Kumar Gupta
Content Manager
Mechanical Engineer
Is this course for you?
You should take this if
- You work in Energy & Utilities or HVAC
- You're a Mechanical Engineering professional
- You prefer self-paced learning you can revisit
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- You need a different specialisation outside Mechanical Engineering
- You need live interaction with an instructor
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- Introduction Of Thermodynamics19 min
- Microscopic Approach vs Macroscopic Approach9 min
- Thermodynamics System and their Types.27 min
- Extensive Properties and Intensive Properties17 min
- Reversible & Irreversible Process | Quasistatic Process32 min
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What learners say about this course
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Hit a few conceptual bottlenecks lately, and this chapter lined up with what I needed. The piston-cylinder boundary work example in Chapter 04, especially the sign convention table when heat/work flip during compression, stuck; I’ve already referenced it in a repo note for an infra PR. Not everything landed; wanted a quicker bridge to open systems or a brief hvacr tie-in, but for a beginner pass it wasn’t fluff. It nudged how I think about scaling load paths in prod arch, RPS included.
Feels built by someone who’s had to push ideas all the way to prod, not just chalkboard. Chapter 04’s piston–cylinder with a linear spring example stuck; the step where boundary work flips sign after defining the system boundary cleared up a confusion I’ve seen bleed into infra docs and PRs. It’s beginner-friendly without hand-waving, though I wasn’t sold on skipping KE/PE so quickly. good enough that I’ve gone back twice to re-read the cyclic process section.
Oct 2, 2026 
