1.

The surface temperature of chilled casting is normally lower than the melting point of the metal.(a) True(b) FalseThis question was posed to me during a job interview.The origin of the question is Solidification with Constant Surface Temperature in division Cooling and Solidification of Casting-Forming-Welding I

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Right answer is (a) True

For explanation I would SAY: It is an essential FEATURE of CHILLED castings that the surface temperature is appreciably lower than the melting point of the molten metal, which totally differs from the sand castings and it moderates to steep the temperature gradient exists in the solid metal or CASTING produced.



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