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# Entropy Quizzes Online MCQs PDF Download eBook p. 20

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## Entropy Questions and Answers PDF Download eBook

Entropy Quiz

MCQ: The second law of thermodynamics implies that the cycle efficiency of thermodynamic process must be

1. greater than unity
2. less than unity
3. equal to unity
4. none of above

B

Specific Enthalpies of perfect gas Quiz

MCQ: The ratio of specific heat capacity at constant pressure to specific heat capacity at constant volume is always

1. Equal to Unity
2. Less than Unity
3. Greater than Unity
4. Zero

C

Entropy Quiz

MCQ: For any irreversible process, the net entropy change is

1. positive
2. zero
3. negative
4. infinite

A

Heat Work and System Quiz

MCQ: A system in which there may exchange energy but not mass called

1. Open System
2. Close System
3. Insulated System
4. Isolated System

B

Reversible non flow processes Quiz

MCQ: For thermodynamic constant pressure process, boundaries are

1. Partially fixed
2. Movable
3. Fixed
4. Infinite

B