1
GATE PI 1989
MCQ (Single Correct Answer)
+1
-0.3
Green strength in powder metallurgy refers to the strength of
2
GATE PI 1989
MCQ (Single Correct Answer)
+2
-0.6
Shrinkage allowance on pattern is provided to compensate for shrinkage when
3
GATE PI 1989
Subjective
+2
-0
What is the velocity of the steel at the bottom of the sprue if the sprue height is $$30$$ $$cm$$? Assume the frictional and other losses to be $$20\% $$
4
GATE PI 1989
MCQ (Single Correct Answer)
+5
-1.5
Molten aluminium was poured in a sand mold and the thickness of solid skin formed after $$20$$ seconds and $$50$$ seconds were fond to be $$3mm$$ and $$4.5mm$$ respectively. What would be the thickness of the solid skin at the end of $$100$$ seconds after pouring?
Paper analysis
Total Questions
Casting
8
Joining of Materials
3
Machine Tools and Machining
8
Metal Forming
4
Metrology
2
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