1.

When the solidification takes place from the mould wall (cooler than melt), this leads to the heat conduction through the solids. However the heat flow into the liquid arises if a certain condition is satisfied. Which among the following corresponds to the same?

A. If the liquid is supercooled below Tm
B. If the liquid is brought in contact with mould wall
C. If the liquid is supercooled at any temperature
D. Superheated above Tm
Answer» B. If the liquid is brought in contact with mould wall


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