Q43
A vertical tapered sprue of 16 cms length is, kept full during pouring. To just avoid any aspiration, the cross-sectional areas at the centre and the bottom of the sprue must be in the ratio of
A.
1 : 1
B.
√2 : 1
AnswerC.
2 : 1
D.
4 : 1
Answer: Option B
Solution
Answer: Option B
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