A plane wall was maintained initially at a temperature of T units. It is subjected to an ambient temperature of T∞ units at one surface. If the heat transfer coefficient at the surfaces of the wall is assumed to be infinite, then what is the new temperature at the wall?

A plane wall was maintained initially at a temperature of T units. It

1.	A plane wall was maintained initially at a temperature of T units. It is subjected to an ambient temperature of T∞ units at one surface. If the heat transfer coefficient at the surfaces of the wall is assumed to be infinite, then what is the new temperature at the wall?
A.	T
B.	T∞
C.	T∞-T
D.	T-T∞
Answer» C. T∞-T

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A plane wall was maintained initially at a temperature of T units. It is subjected to an ambient temperature of T∞ units at one surface. If the heat transfer coefficient at the surfaces of the wall is assumed to be infinite, then what is the new temperature at the wall?

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