Two cubical castings of the same metal and sizes of 2 cm side and 4 cm – McqOptions

MCQOPTIONS

1.	Two cubical castings of the same metal and sizes of 2 cm side and 4 cm side are moulded in green sand. If the smaller casting solidifies in 2 mins, the expected time of solidifications of large casting will be
A.	16 min
B.	2√8 min
C.	8 min
D.	4 min
Answer» D. 4 min

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