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Free "Entropy" App Download with MCQ: Entropy change ∆S is due to heat transfer ∆Q at absolute temperature T is given by; with answers: ∆s = ∆q/t, ∆s = q/∆t, and ∆s = q/t for SAT science preparation. Practice Entropy Quiz Questions, download Google e-Book (Free Chapter) to achieve professional excellence.

Entropy MCQs PDF Download – Prep Test

MCQ 1: Entropy change ∆S is due to heat transfer ∆Q at absolute temperature T is given by:

  1. ∆S = ∆Q/T
  2. ∆S = Q/∆T
  3. ∆S = Q/T
  4. All of above

MCQ 2: When heat is absorbed by the system, change in entropy is:

  1. Positive
  2. Negative
  3. Neutral
  4. Zero

MCQ 3: When heat flows from one system to another, the net change in entropy is:

  1. Increased
  2. Decreased
  3. No change
  4. None of above

MCQ 4: The efficiency of an electric generator is about:

  1. 60 - 70 %
  2. 70 - 80 %
  3. 70 - 89 %
  4. 70 - 99 %

MCQ 5: The concept of entropy was introduced by:

  1. Kelvin
  2. Rudolph Clausius
  3. Robert Brown
  4. Neil Bohr

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