1
GATE ME 2004
MCQ (Single Correct Answer)
+2
-0.6
In a $$2-D$$ $$CAD$$ package, clockwise circular arc of radius, $$5,$$ specified from $${P_1}\left( {15,10} \right)$$ to $${P_2}\left( {10,15} \right)$$ will have its center at
A
$$(10, 10)$$
B
$$ (15, 10)$$
C
$$(15, 15)$$
D
$$(10, 15) $$
2
GATE ME 2000
MCQ (Single Correct Answer)
+2
-0.6
In finish machining of an island on a casting with $$CNC$$ milling machine, an end mill with $$10$$ $$mm$$ diameter is employed. The corner points of the island are represented by $$(0,0), (0,30), (50,30)$$ and $$(50,0)$$. By applying cutter radius right compensation, the trajectory of the cutter will be
A
$$(-5,0), (-5,35), (55,35), (55,-5), (-5,-5)$$
B
$$(0,-5), (55,-5), (55,35), (-5,35), (-5,-5)$$
C
$$(5,5), (5,25), (45,25), (45,5), (5,5)$$
D
$$(5,5), (45,5), (45,25), (5,25), (5,5)$$
3
GATE ME 1998
Subjective
+2
-0
A cylinder of $$155$$ $$mm$$ is to be reduced $$150$$ $$mm$$ diameter in one turning cut with a feed of $$0.15$$ $$mm$$/ revolution and a cutting speed of $$150$$ $$m/min$$ on a $$NC$$ lathe. What are the programmed spindle speeds programmed feed rate, and the material removal rate?
4
GATE ME 1997
MCQ (Single Correct Answer)
+2
-0.6
In a point to point control $$NC$$ machine, the slides are positioned by an integrally mounted stepper motor drive. If the specification of the motor is $$1$$ deg/pulse, and the pitch of the lead screw is $$3.6$$ $$mm,$$ what is the expected positioning accuracy?
A
$$1$$ micron
B
$$10$$ micron
C
$$50$$ micron
D
$$100$$ micron
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