A sphere-shaped casting solidifies on 10 min. What will be the solidif – McqOptions

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1.	A sphere-shaped casting solidifies on 10 min. What will be the solidification time in minutes for another sphere of the same material, which is 8 times heavier than the original casting ?
A.	80
B.	10
C.	40
D.	20
Answer» D. 20

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