GATE PI · 2024 · PI
Question 54: Casting
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Question 54
PINAT2 marksNeeds review
In a sand mold, a sprue of height
mm is to be provided for maintaining the molten metal flow rate of
mm
/s. The height of liquid column above the point 2 is kept constant at
mm. The cross-sectional areas of the sprue at points 2 and 3 are
and
, respectively. The points 1 and 3 are at the atmospheric pressure. Assuming the gauge pressure at point 2 to be zero as the limiting case to prevent aspiration effect, the ratio
is ________. (Rounded off to 2 decimal places) 
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2024PI
GATE PI 2024 · Paper 1
Production and Industrial Engineering · Original paper archive
- Section
- Production and Industrial Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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