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Q.

Which of the following are correct for carnot engine

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a

Efficiency $(η) = 1 - \frac{T_{1}}{T_{2}}$

b

Efficiency is always less than 1

c

Efficiency $(η) = 1 - \frac{Q_{2}}{Q_{1}}$

d

Efficiency $(η) = 1 - \frac{T_{2}}{T_{1}}$

answer is A, B, C.

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Detailed Solution

Efficiency $(η) = 1 - \frac{T_{2}}{T_{1}}$ $= 1 - \frac{Q_{2}}{Q_{1}}$

This value is always less than 1.

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