GATE ME 1987
A down sprue of $$180mm$$ length has diameter of $$20mm$$ at its top end. The liquid metal in the pouring cup is main-tained upto $$60$$ $$mm$$ height. What should be the theoretical diameter of down sprue at its lowest end to ensure that there is no aspiration effects.
Questions Asked from Casting (Marks 4)
Number in Brackets after Paper Indicates No. of Questions
GATE ME Subjects
Strength of Materials
Theory of Machines