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SPPU Mechanical Engineering (Semester 7)
December 2016
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Solve any one question from Q.1 & Q.2(a,b)
1 A triangle with vertices P(2,2) Q(8,2) and R(6,6) has undergone following transformation in sequence.
a) Rotation through 45° anticlockwise.
b) Scaling by 2 times
c)Reflection about x axis find the concatenated matrix and new coordinate of triangle.
10 M
Solve any one question from Q.1 & Q.2(a,b)
1 A triangle vertices P (2,2) Q (8,2) and R (6,6) has undergone following transformation in sequence.
a) Rotation through 45° anticlockwise.
b) Scaling by 2 times
c) Reflection about x axis Find the concatenated matrix and new coordinate of triangle.
10 M

2(a) Explain Isometric Projections
4 M
2(a) Explain Isometric Projections.
4 M
2(b) Write a short note on Bezier surface with neat sketch.
6 M
2(b) Write a short note on BeZier surface with neat sketch.
6 M

Solve any one question from Q.3(a,b) & Q.4
3(a) Compare CSG and B-rep technique of solid modeling with neat sketch.
6 M
Solve any one question from Q.3(a,b) & Q.4
3(a) Compare CSG and B-rep technique of solid modeling with neat sketch.
6 M
3(b) Explain penalty apporach of Solving FEM problem.
4 M
3(b) Explain penalty approach of solving FEM problem.
4 M

4 An axial step bar is shown in figure 1. Determine deflection and stresses in element and reaction force.
!mage
10 M
4 An axial step bar is shown in figure 1. Determine deflection and stresses in element and reaction force.
!mage
10 M

Solve any one question from Q.5(a,b) & Q.6(a,b,c)
5(a) Explain the linear, circular CW and circular CCW interpolation with G code word address format for above interpolations.
6 M
Solve any one question from Q.5(a,b) & Q.6(a,b,c)
5(a) Explain the linear, circular CW and circular CCW interpolation with G code word address format for above interpolations.
6 M
5(b) Write CNC part program for roughing and finishing using canned cycle for turned component as shown in figure. Assume Suitable cutting data.
!mage
12 M
5(b) Write CNC part program for roughing and finishing using canned cycle for turned component as shown in figure. Assume Suitable cutting data.
!mage
12 M

6(a) Explain G28, G04, G40 and G41 code in part programming.
6 M
6(a) Explain G28, G04, G40 and G41 code in part programming.
6 M
6(b) Expalin canned cycle for drilling and tapping in proper word address format.
6 M
6(b) Explain canned cycle for drilling and tapping in proper word address format.
6 M
6(c) Explain the incremental and absolute method of program with G code.
6 M
6(c) Expalin the incremental and absolute method of program with G code.
6 M

Solve any one question from Q.7(a,b) & Q.8(a,b)
7(a) Classify various RP process.
6 M
Solve any one question from Q.7(a,b) & Q.8(a,b)
7(a) Classify various RP process.
6 M
7(b) Explain 3-D printing process.
10 M
7(b) Explain 3-D printing process.
10 M

8(a) Explain Fused Deposition Modeling method of rapid prototyping with advantages and limitation.
12 M
8(a) Explain Fused Deposition Modeling method of rapid prototyping with advantages and limitation.
12 M
8(b) List application RP.
4 M
8(b) List application RP.
4 M

Solve any one question from Q.9(a,b) & Q.10(a,b)
9(a) Draw work envelope for Robot configuration. Explain the Spherical Configuration Robot with neat sketch.
10 M
Solve any one question from Q9(a,b) & Q.10(a,b)
9(a) Draw work envelope for Robot configuration. Explain the Spherical Configuration Robot with neat sketch.
10 M
9(b) Explain Vacuum gripper with figure.
6 M
9(b) Explain Vacuum gripper with figure .
6 M

10(a) Explain the Group Technology layout in comparison to Process layout.
8 M
10(a) Explain the Group Technology layout in comparison to Process layout.
8 M
10(b) Explain various Elements of FMS.
8 M
10(b) Explain various Element of FMS.
8 M

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