Chemical Engineering > GATE 2012 > Transient Heat Transfer
A solid sphere with an initial temperature Ti is immersed in a large thermal reservoir of temperature To. The sphere reaches a steady temperature after a certain time t1. If the radius of the sphere is doubled, the time required to reach steady-state will be
A
t1/4
B
t1/2
C
2 t1
D
4t1

Correct : d

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sphere thermal conductivity GATE Chemical Engineering 2012 time to reach steady state doubled radius sphere GATE chemical engineering thermal diffusion time sphere thermal time GATE 2012 chemical engineering

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