GATE CH 2020 CH Q42: Heat Transfer

Consider an infinitely long rectangular fin exposed to a surrounding fluid at a constant temperature

. The figure shows the fin.

The steady state one dimensional energy balance on an element of the fin of thickness

at a distance

from its base yields

where

is the temperature of the fin at the distance

from its base in °C. The value of

is 0.04 cm

and the temperature at the base is

. The temperature (in °C) at

cm is ________ (round off to 1 decimal place).

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