Question: a. 2 min b. 2.4 min c. 3.2 min d. 3.9 min A casting size 400 mm x 200 mm x 150 mm solidifies in

A casting size 400 mm x 200 mm x 150 mm solidifies

a. 2 min

b. 2.4 min

c. 3.2 min

d. 3.9 min

A casting size 400 mm x 200 mm x 150 mm solidifies in 20 minutes. The solidification time for casting 400 mm x 200 mm x 30 mm under similar condition is

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