engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Thermodynamics Carnot engine
A Carnot engine has efficiency of 50%. If the temperature of the sink is reduced by 40°C, its efficiency increases by 30%. The temperature of the source will be:
1
166.7 K
2
255.1 K
3
266.7 K
4
367.7 K