Which one of the following statement is incorrect?

1.	Which one of the following statement is incorrect?
A.	In sub-cool heating, the temperature of the heating surface is less than the normal boiling point of the liquid
B.	Nucleate boiling is promoted on a smooth surface than a rough one
C.	Film boiling region is usually avoided in commercial equipment
D.	The point of transition from nucleate to film boiling is known as the burn-out point on the boiling curve
Answer» C. Film boiling region is usually avoided in commercial equipment

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Which one of the following statement is incorrect?

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