How is the line interpolation method better than circula interpolation method, parabolic interpolation method and spline curve interpolation method?

How is the line interpolation method better than circula interpolation method, parabolic interpolation method and spline curve interpolation method?
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In part programming, interpolation is used for obtaining trajectory. a.helicoidal b.pentagonal c.triangular d.zig-zag

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In a CNC program block, N02 GO2 G91 X40 Z40……, GO2 and G91 refer to a.circular interpolation in counter clockwise direction and incremental dimension b.circular interpolation in counter clockwise direction and absolute dimension c.circular interpolation in clockwise direction and incremental dimension d.circular interpolation in clockwise direction and absolute dimension

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Last Answer : c.circular interpolation in clockwise direction and incremental dimension

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During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0the type of tool motion will be a.circular Interpolation – clockwise b.circular Interpolation – counter clockwise c.linear Interpolation d.rapid feed

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For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is: (A) Circular orbit (B) Sun-synchronous orbit (C) Near polar orbit (D) None of these

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