1
GATE ME 1987
MCQ (More than One Correct Answer)
+1
-0.3
Riser is designed so as to
A
Freeze after the casting freezes
B
Freezing before the casting freezes
C
Freeze at the same as the casting
D
Minimize the time of pouring
2
GATE ME 1987
Subjective
+4
-0
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.
3
GATE ME 1987
MCQ (Single Correct Answer)
+1
-0.3
For wire drawing operation, the work material should essentially be
A
ductile
B
tough
C
hard
D
malleable
4
GATE ME 1987
Fill in the Blanks
+1
-0
In forging operation the sticking friction condition occurs near the ...... (Center/ ends) while sliding friction condition occurs near the ...... (Center / ends)
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NEET
Graduate Aptitude Test in Engineering
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