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The MCQ: When heat is absorbed by the system, change in entropy is; "Entropy" App Download (Free) with answers: Positive; Negative; Neutral; Zero; to learn online courses. Practice Entropy Quiz Questions, download Google e-Book (Free Sample) for online high school and college acceptance.
Entropy MCQs PDF: Questions Answers Download
Entropy change ∆S is due to heat transfer ∆Q at absolute temperature T is given by
- ∆S = ∆Q/T
- ∆S = Q/∆T
- ∆S = Q/T
- All of above
When heat is absorbed by the system, change in entropy is
- Positive
- Negative
- Neutral
- Zero
When heat flows from one system to another, the net change in entropy is
- Increased
- Decreased
- No change
- None of above
The efficiency of an electric generator is about
- 60 - 70 %
- 70 - 80 %
- 70 - 89 %
- 70 - 99 %
The concept of entropy was introduced by
- Kelvin
- Rudolph Clausius
- Robert Brown
- Neil Bohr
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