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GATE Mechanical Engineering (ME) 2017 Shift 1 Solved Paper

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Question : 59

Total: 65

Circular arc on a part profile is being machined on a vertical CNC milling machine. CNC part program using metric units with absolute dimensions is listed below:
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N60 G01 X 30 Y 55 Z – 5 F50
N70 G02 X 50 Y 35 R 20
N80 G01 Z 5
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The coordinates of the centre of the circular arc are:

(30, 55)
(50, 55)
(50, 35)
(30, 35)

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