In practice, all heat engines have efficiency less than that of a… - Vidyadip

MCQ

In practice, all heat engines have efficiency less than that of a Carnot engine because

A
Carnot engine is irreversible
✓
A reversible process can never be attained in a real world
C
Irreversible engine has higher efficiency than reversible engine
D
Efficiency of Camot engine is always one

✓

Answer

Correct option: B.

A reversible process can never be attained in a real world

b
(b)

Theoreticel engine tht operates on the revasibh Cannot Cyele.

$A B$ (Infinite steps)

$\eta=1-\frac{T_l}{T_s}$

$T=0\,K$

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