13.402 MANUFACTURING PROCESS

INTERNAL EXAM

Maximum Marks: 100 Time: 3 hours

Part A (2 marks questions)

Answer ALL questions

1. What is the purpose of Chills and Chaplets?

2. Write short notes on Pressurized and Unpressurized Gating system.

3. What is mean by Directional solidification?

4. Write short notes on Plastic Blow Molding.

5. Explain Liquid Penetrant Test.

6. Explain Roll Forging.

7. List the advantages of Forging.

8. Write about the kinds of polarity in Arc Welding.

9. Write short notes on Explosive Welding process.

10. What is Carbon Arc Welding?

2 x 10 = 20 marks

Part B (10 marks questions)

Answer ANY TWO questions from each module

MODULE 1

11. a. Explain different properties of Molding sand.

b. Explain different types of Core with neat sketches.

c. Explain different materials used for making Patterns.

d. Explain Grain Fineness testing method with a neat sketch of testing equipment.

MODULE 2

12. a. With neat sketches, explain Semi-Centrifugal and Centrifuged Casting process with its

applications.

b. Explain different defects in Casting with neat sketches.

c. Explain different Compacting methods used in Powder Metallurgy.

d. With the help of a neat sketch, explain Plastic Injection Molding with its advantages,

limitations and applications.

MODULE 3

13. a. Explain different types of Rolling Mills.

b. Explain the process Rotary Piercing with a neat sketch.

c. Explain different Extrusion processes. What is the difference between Hot and Cold

extrusion?

d. Explain Rolling of Channels, I and Rail sections.

MODULE 4

14. a. Explain different Resistance Welding processes with neat sketches.

b. Explain Projection and Percussion welding processes with neat sketches.

c. Explain Ultrasonic welding process and Friction welding process with neat sketches.

d. What are the common Welding defects? Explain their causes and remedial measures.

4 x 20 = 80 marks

13.402 MANUFACTURING PROCESS

INTERNAL EXAM

Maximum Marks: 100 Time: 3 hours

Part A (2 marks questions)

Answer ALL questions

1. What is the purpose of Chills and Chaplets?

2. Write short notes on Pressurized and Unpressurized Gating system.

3. What is mean by Directional solidification?

4. Write short notes on Plastic Blow Molding.

5. Explain Liquid Penetrant Test.

6. Explain Roll Forging.

7. List the advantages of Forging.

8. Write about the kinds of polarity in Arc Welding.

9. Write short notes on Explosive Welding process.

10. What is Carbon Arc Welding?

2 x 10 = 20 marks

Part B (10 marks questions)

Answer ANY TWO questions from each module

MODULE 1

11. a. Explain different properties of Molding sand.

b. Explain different types of Core with neat sketches.

c. Explain different materials used for making Patterns.

d. Explain Grain Fineness testing method with a neat sketch of testing equipment.

MODULE 2

12. a. With neat sketches, explain Semi-Centrifugal and Centrifuged Casting process with its

applications.

b. Explain different defects in Casting with neat sketches.

c. Explain different Compacting methods used in Powder Metallurgy.

d. With the help of a neat sketch, explain Plastic Injection Molding with its advantages,

limitations and applications.

MODULE 3

13. a. Explain different types of Rolling Mills.

b. Explain the process Rotary Piercing with a neat sketch.

c. Explain different Extrusion processes. What is the difference between Hot and Cold

extrusion?

d. Explain Rolling of Channels, I and Rail sections.

MODULE 4

14. a. Explain different Resistance Welding processes with neat sketches.

b. Explain Projection and Percussion welding processes with neat sketches.

c. Explain Ultrasonic welding process and Friction welding process with neat sketches.

d. What are the common Welding defects? Explain their causes and remedial measures.

4 x 20 = 80 marks