A Carnot engine whose heat sinks at 27°C... | Thermodynamics

JEE MAIN 2022

24-06-22 S1

Question

A Carnot engine whose heat sinks at $27^{\circ} \mathrm{C}$, has an efficiency of $25 \%$. By how many degrees should the temperature of the source be changed to increase the efficiency by $100 \%$ of the original efficiency ?

Select the correct option:

Increases by $18^{\circ} \mathrm{C}$

Increase by $200^{\circ} \mathrm{C}$

Increase by $120^{\circ} \mathrm{C}$

Increase by $73^{\circ} \mathrm{C}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

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