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T
Question Practice

Which statement best reflects the principles of thermodynamics regarding heat engines?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 11
Physics
Physics Part - II
Thermodynamics
Question Bank

Which statement best reflects ...

Single Answer MCQ
Q-00058216

Which statement best reflects the principles of thermodynamics regarding heat engines?

1

All real engines work with 100% efficiency

2

Reversible engines achieve maximum theoretical efficiency

3

Irreversible engines are more efficient than reversible ones

4

Heat engines can operate without energy input

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