1.a. Compare Bezier and B-Spline curve

1.b. Describe an algorithm for the removal of hidden lines.

1.c. Describe the axis representation system used for CNC Milling machines. discuss the various interpolation methods used in NC machines.

1.d. Explain the Socio-techno-economic aspects of CIM.

2.a. Find the midpoint of the Bezier curve having end points P₀(0,0) and P₃(7,0). the other control points are P₁(7,0) and P₂(7,6).

2.b. Explain industrial Robots and its application in manufacturing.

3.a. Write a manual part program to machine the contour as shown in figure. The component is 12mm thick

3.b. Explain laminated object manufacturing with its advantages and disadvantages.

4.a. Show that the transformation matrix for a reflection about the line y = x is equivalent to a reflection relative to the x - axis followed by an anticlockwise rotation of 90$^\circ$

4.b. Explain the APT statements :

i. GOTO and GO/TO

ii. GODLTA and GOBACK

iii. INTOL and OUTTOL

4.c. Explain any one velocity feedback device.

5.a. Write a part program for the component shown in the figure assuming the raw billet size of dia. 60 mm and length 80 mm using canned cycle for rough turning followed by finished turning, keeping the finishing allowance as 0.5 mm and 0.3 mm along Z and X axis respectively.

5.b. Plot a Hermite cubic curve having endpoints P₀(1,1) and P₁(7,4). The tangent vector for end P₀ is defined by a line joining P₀ and another point P₂(8,7) whereas the tangent vector for end P₁ is defined by a line joining P₁ and the same point P₂(8,7).

6.a. Macros and Subroutines

6.b. Data structures for interactive modelling.

6.c. Steps involved in CAE

6.d. Photolithography

6.e. Database requirements in CIM