engineering recuitment UPPSC AE Mock Test 2024 Heat Transfer Radiation Heat Exchange Between Non-Black Bodies
Two infinite parallel plates with 5 radiation shields are held close together and are maintained at 1000 K and 700 K respectively. The plates and shields have an emissivity of 0.7. If 4 more shields are now inserted between them, then calculate the percentage reduction in heat transfer?
1
40
2
60
3
30
4
50