Question
a. If the convection coefficient inside the furnace is hf= 100 W/m². K, find the time required forcenterline temperature of steel shaft to reach 1200 K.Also, find the amount of heat transferredduring the process. b. The steel shaft at 1200 K is taken out of furnace and placed in air at 300 K. If it takes 2.5 hrs for t
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