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An alloy, unlike a pure metal, does not have a sharply defined freezing temperature.

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in Casting-Forming-Welding I by (687k points)
An alloy, unlike a pure metal, does not have a sharply defined freezing temperature.

(a) True

(b) False

I have been asked this question in an interview.

The origin of the question is Mechanism of Solidification in portion Cooling and Solidification of Casting-Forming-Welding I

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Right option is (a) True

Explanation: An alloy, unlike a pure metal, does not have a sharply defined freezing temperature. Due to this, the solidification of an alloy takes place over a range of temperature. This makes the separate out of the solids parts at different temperatures which possess varying compositions in the material.

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