Why a heat engine with 100% efficiency can never be realized in practice?
RANI , 9 Years ago
Grade 11
1 Answers
DURGARAM
Last Activity: 9 Years ago
For 100% efficiency T1 = ∞ (or) T2 = 0 k. As absolute zero and infinite temperature cannot be realized in practice, the efficiency of a heat engine cannot have 100%. The efficiency of a heat engine is always less than unity.