1
GATE PI 2012
MCQ (Single Correct Answer)
+1
-0.3
A $$CNC$$ vertical milling machine has to cut a straight slot of $$10$$ $$mm$$ width and $$2$$ $$mm$$ depth by a cutter of $$10$$ $$mm$$ diameter between points $$(0, 0)$$ and $$(100, 100)$$ on the $$XY$$ plane (dimensions in $$mm$$). The feed rate used for milling is $$50$$ $$mm/min.$$ Milling time for the slot (in seconds) is
A
$$120$$
B
$$170$$
C
$$180$$
D
$$240$$
2
GATE PI 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 PI 2012
MCQ (Single Correct Answer)
+2
-0.6
In a single pass rolling process using $$410mm$$ diameter steel rollers, a strip of width $$140mm$$ and thickness $$8mm$$ undergoes $$10\% $$ reduction of thickness. The angle of bite in radians is
A
$$0.006$$
B
$$0.031$$
C
$$0.062$$
D
$$0.600$$
4
GATE PI 2012
MCQ (Single Correct Answer)
+1
-0.3
Match the following metal forming processes with their associated stresses in the Work-piece GATE PI 2012 Metal Forming - Sheet Metal Forming Processes Question 26 English
A
$$1 - S,\,\,2 - P,\,\,3 - Q,\,\,4 - R$$
B
$$1 - P,\,\,2 - Q,\,\,3 - S,\,\,4 - R$$
C
$$1 - S,\,\,2 - P,\,\,3 - R,\,\,4 - Q$$
D
$$1 - P,\,\,2 - R,\,\,3 - Q,\,\,4 - S$$
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