A mould has a down sprue whose length is 20 cm and the cross-sectional – McqOptions

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1.	A mould has a down sprue whose length is 20 cm and the cross-sectional area at the base of the down sprue is 1 cm2. The down sprue feeds a horizontal runner leading into the mould cavity of volume 2000 cc. The time required to fill the mould cavity will be
A.	10.1 s
B.	4.05 s
C.	5.05 s
D.	7.25 s
Answer» B. 4.05 s

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