Chemical Engineering Thermodynamics (MCQs)

First law of thermodynamics deals with the ___________?

  • A. Direction of energy transfer
  • B. Reversible processes only
  • C. Irreversible processes only
  • D. None of these
Answer: Option A.

The first law of thermodynamics doesn’t deal with direction of energy transfer it just relates heat and work (energy in transits). The second law of thermodynamics deals with energy transfer it tells about whether a process is spontaneous or not.

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