Which of the following types of mould will have the longest period of – McqOptions

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1.	Which of the following types of mould will have the longest period of cooling time for the same castings?
A.	Green sand mould of simple shape and size
B.	Dry sand mould of simple shape and size
C.	Dry sand mould of complex shape and size
D.	Green sand mould of complex shape and size
Answer» D. Green sand mould of complex shape and size

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