IV B.Tech I Semester Supplementary Examinations, February/March – 2018
CAD/CAM (Common to Automobile Engineering and Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) What is mathematics of projection? [4]
b) What are layers in CAD? [4]
c) What is NC mode? [3]
d) What are the two types of parts similarities? [4]
f) What are the four basic components of a CIM system? [3]

PART ?B (3×16 = 48 Marks)
2. a) How the product cycle is revised with introduction of CAD/CAM. [8]
b) What are the various memories used in a computer? [8]

3. a) What are the various curve representation methods? [8]
b) How the line and circle are parametrically represented as Analytic curves? [8]

4. a) Differentiate CNC and DNC machines? [8]
b) What are the various NC elements? [8]

5. a) What are the three general methods to form group parts into families? [8]
b) What are the various hierarchical structure used in GT applications? [8]

6. a) What are the important effects which results from computer aided quality
control?
[8]
b) Discuss about scanning laser system used for non contact inspection. [8]

7. a) What are the important machine tools in a CIM system? [8]
b) What are the computer components used in CIM? [8]

Code No: RT41032
Set No. 1
R13
1 of 1

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