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The amount of heat removed from the castings is dependent on the amount of superheating in the casting.

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in Casting-Forming-Welding I by (687k points)
The amount of heat removed from the castings is dependent on the amount of superheating in the casting.

(a) True

(b) False

This question was addressed to me in an online quiz.

This key question is from Solidification of a Large Casting in an Insulating Mould topic in chapter Cooling and Solidification of Casting-Forming-Welding I

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by (828k points)
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Best answer
Right answer is (a) True

To elaborate: The amount of heat that should be removed from casting to make it solidify is directly proportional to the amount of superheating and also to the amount of metal present in the casting or the casting volume. Conversely, the ability to remove heat from casting is directly proportional to the amount of exposed surface area of the casting.

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