1(a)
What are the different types of equations used for curve representation? Explain with suitable example.

5 M

1(b)
Explain different types of wire frame models with neat sketches.

5 M

1(c)
Explain different types of formats of mannual part programming.

5 M

1(d)
Explain any one rapid prototyping process.

5 M

2(a)
Write a manual part program to drill all the holes for component as shown in Fig. 1 Thickness of the component is 10 mm. Center drill all holes before finish drill. Assume suitable speed and feed.

!mage

!mage

10 M

2(b)
A Bezier curve is defined by the points (1,

1),

(2,

3),

(4,

4),

(6,

1). Find degree of the curve. Calculate the co-ordinates of the parametric mid-point of this curve and slope at this point.

1),

(2,

3),

(4,

4),

(6,

1). Find degree of the curve. Calculate the co-ordinates of the parametric mid-point of this curve and slope at this point.

10 M

3(a)
A triangle has vertices A(0,

0),

B(4,

0) and C(2,

3). It is translated by 4 units in X-direction and 2 units in Y-directions. It is then rotated by 90° in anticlockwise direction about the new position of point C. Find the new vertices of a triangle .

0),

B(4,

0) and C(2,

3). It is translated by 4 units in X-direction and 2 units in Y-directions. It is then rotated by 90° in anticlockwise direction about the new position of point C. Find the new vertices of a triangle .

10 M

3(b)
A rectangular clipping window has lower left corner is at (1,

2) and the upper right corner at (9,

8). The co-ordinates of the points A,

B,

C,

D,

E and F are;

(11,

6),

(11,

10),

(6,

6),

(8,

9),

(2,

3) and (8,

4) respectively. Perform clipping on the line segments AB,

CD and EF using Cohen Sutherland algorithm.

2) and the upper right corner at (9,

8). The co-ordinates of the points A,

B,

C,

D,

E and F are;

(11,

6),

(11,

10),

(6,

6),

(8,

9),

(2,

3) and (8,

4) respectively. Perform clipping on the line segments AB,

CD and EF using Cohen Sutherland algorithm.

10 M

4(a)
Find the matrix for mirror reflection with respect to a plane passing through the origin and having a normal vector whose direction is N = I+J+K.

8 M

4(b)
Define CIM and explain nature & role CIM elements.

8 M

4(c)
Explain back-face removal algorithm.

4 M

5(a)
Write a complete APT part program to machine the outline of the geometry shown in the top view up to a depth of 5mm in one cut as shown in Fig.2 The end mill used is 20 mm diameter. Assume suitable speed end feed for machining.

!mage

!mage

13 M

5(b)
Explain classification of rapid protyping processes.

8 M

6(a)
Write short note on:

Machinig Center

Machinig Center

5 M

6(b)
RP applications

5 M

6(c)
Benefits of CIM

5 M

6(d)
CAF

5 M

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