Q224
Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade?
A.
35.5
B.
43.75
C.
81.25
AnswerD.
48.25
Answer: Option C
Solution
Answer: Option C
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