1
GATE ME 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
A hole of $$20$$ $$mm$$ diameter is to be drilled in a steel block of $$40$$ $$mm$$ thickness. The drilling is performed at rotational speed of $$400$$ $$rpm$$ and feed rate of $$0.1$$ $$mm/rev.$$ The required approach and over run of the drill together is equal to the radius of drill. The drilling time (in minute) is
A
$$1.00$$
B
$$1.25$$
C
$$1.50$$
D
$$1.75$$
2
GATE ME 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
A rectangular hole of size $$100\,\,mm \times 50\,\,mm$$ is to be made on a $$5$$ $$mm$$ thick sheet of steel having ultimate tensile strength and shear strength of $$500$$ $$MPa$$ and $$300$$ $$MPa,$$ respectively. The hole is made by punching process. Neglecting the effect of clearance, the punching force (in $$kN$$) is
A
$$300$$
B
$$450$$
C
$$600$$
D
$$750$$
3
GATE ME 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
The flatness of a machine bed can be measured using
A
Vernier calipers
B
Auto collimator
C
Height gauge
D
Tool maker's microscope
4
GATE ME 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A robot arm $$PQ$$ with end coordinates $$P(0,0)$$ and $$Q(2,5)$$ rotates counter clockwise about $$P$$ in the $$XY$$ plane by $${90^ \circ }$$. The new coordinate pair of the end point $$Q$$ is
A
$$(-2, 5)$$
B
$$(-5, 2)$$
C
$$(-5, -2)$$
D
$$(2, -5)$$
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