1
GATE ME 2013
MCQ (Single Correct Answer)
+1
-0.3
In a rolling process, the state of stress of the material undergoing deformation is
A
pure compression
B
pure shear
C
compression and shear
D
tension and shear
2
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
A solid cylinder of diameter $$100$$ $$mm$$ and height $$50$$ $$mm$$ is forged between two frictionless flat dies to a height of $$25$$ $$mm.$$ The percentage change in diameter is
A
$$0$$
B
$$2.07$$
C
$$20.7$$
D
$$41.4$$
3
GATE ME 2011
MCQ (Single Correct Answer)
+1
-0.3
The maximum possible draft in cold rolling of sheet increases with the
A
increase in coefficient of friction
B
decrease in coefficient of friction
C
decrease in roll radius
D
increase in roll velocity
4
GATE ME 2003
MCQ (Single Correct Answer)
+1
-0.3
Cold working of steel is defined as working
A
at its re-crystallization temperature
B
above its re-crystallization temperature
C
below its re-crystallization temperature
D
at two thirds of the melting temperature of the metal
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