Unit I 2 marks

1. Draw a Product development cycle of a product2. Define the term group technology3. What do you meant by Part family?4. Compare design attributes and manufacturing attributes in group technology5. List out the advantages of Group Technology.6. Define the term Design for Manufacture 7. Differentiate between sequential Engineering and Concurrent Engineering8. Mention the Disadvantages of Sequential Engineering9. What do you meant by Rapid prototyping10. Give some of the applications of Rapid Prototyping 11. List out few CAD/CAM software packages.Unit I 16 Marks1. Explain in detail, the various guidelines for design for manufacturing and assembly.(16)2. Explain the following in detail:Concurrent engineering(8)Rapid prototyping.(8)3. Explain the following rapid prototyping process in detail1) Fused Deposition Modeling(8)2) Laminated object manufacturing(8)4. Explain Opitz system of part classification and coding with a suitable Example.(16)5. Explain the concept of Concurrent Engineering and indicate its advantages(8)6. What do you meant by group technology? Explain the following in detail(8) (i) Visual inspection Method(ii) Production flow analysis

Unit II 2 Marks

1. Define the term Geometric transformation2. List out the various geometric transformation3. Differentiate between window and viewport4. What do you meant by clipping?5. Define the term geometric modeling6. Compare Wire frame and surface modeling7. Differentiate between constructive soling geometry and boundary representation8. Mention some of the main features of solid modeling packages

Unit II 16 Marks1. List out the different types of geometric transformation. Explain them with suitable examples.(16)2. Elaborate the various types Geometric modeling in detail (16)3. Explain Cohen Sutherland clipping algorithm in detail using suitable example (16)

Unit III 2 MarksWrite down the difference between absolute system and incremental system

Unit III 16 Marks

1. Define and classify the term CNC system. Explain the various functions of CNC control in machine tools.2. How do you classify DNC System. Explain them in detail(12)List the advantages of using DNC over a conventional NC system(4).3. Explain the following in detail:(i) Open loop and closed loop CNC systems.(8)(ii) Design considerations of CNC machines for improving machining accuracy. (8)4. Discuss briefly the following with diagrams (8)(i) Linear interpolation(ii) Circular interpolationUnit IV 2 Marks1. List the four types of statements in the APT language.2. What do you meant by canned cycle3. Distinguish between canned cycle and subroutines4. State the function of a post processor in computer aided part programming.5. Write down the function of G21 and G28 in facuc programming6. Write down the purpose of M codes used in Fanuc Programming

Prepare a NC program to turn the Mild steel rod as shown in the figure 1 (10)

Figure 1

Write short notes on canned cycle and subroutines.(6)

Prepare a NC Program to drill the holes in the mild steel plate as shown in figure. Use Mirror function at least once.(10)

Discuss the computer assisted part programming in detail (6)

Explain the various types of statements in APT Programming. Brief them with a suitable example (10)Discuss the various G Codes and M codes in CNC Manual part programming in details (6)

Unit V 2 Marks1. List some commercial variant and generative CAPP software systems.2. How data models can be classified?3. Define the term DBMS4. Write down the use of computers to manage the production function.5. Indicate the benefits of computer aided process planning6. Mention the demerits of Variant type process planning7. Define the term PDM8. List the emerging challenges in CAD/CAM.

Unit V 16 Marks

Explain the following:(i) Product Data Management.(ii) Assembly and Tolerance Modeling.

What is Product Data Management (PDM)? Discuss the user functions of PDM system. (4 + 4)