engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices
In high-speed aircraft flying at high altitudes, why is the cooling of the cabin required even if the temperature outside is very low?
1
Due to the absence of solar radiation
2
To improve fuel efficiency
3
Due to large internal heat generation
4
Since outside pressure is very high