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Production Process 1 Question Paper - Dec 17 - Mechanical Engineering (Semester 3) - Mumbai University (MU)
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written 4.9 years ago by
rutujakhilari12345
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Production Process 1 - Dec 17
Mechanical Engineering (Semester 3)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1.a.
Classify various welding process.
(5 marks)
00
1.b.
Explain Rolling defects.
(5 marks)
00
1.c.
How is rod made by extrusion.
(5 marks)
00
1.d.
Compare transfer moulding and compression moulding.
(5 marks)
00
2.a.
Differentiate the following:
(10 marks)
00
1.Pattern and core boxes.
2.Wing core and hanging type of cores.
2.b.
Discuss friction welding with its applications.
(5 marks)
00
2.c.
Differentiate between soldering and brazing.
(5 marks)
00
3.a.
Explain rotary swaging with its sketch.
(6 marks)
00
3.b.
Describe Calendaring process for plastic with a neat labelled sketch.
(6 marks)
00
3.c.
Describe the basic steps of powder metallurgy process. Discuss applications, advantages and disadvantages of powder metallurgy.
(8 marks)
00
4.a.
What is meant by Sintering.
(5 marks)
00
4.b.
Differentiate between core and core print.
(5 marks)
00
4.c.
What is meant by riser? State the function of riser.
(5 marks)
00
4.d.
Differentiate between TIG and MIG welding.
(5 marks)
00
5.a.
List different NDT methods? Explain ultrasonic process method of inspection.
(8 marks)
00
5.b.
Explain with neat sketch "Radiographic Non-destructive test"
(6 marks)
00
5.c.
Explain vaccum forming process of polymers
(6 marks)
00
6.a.
With the help of neat sketch explain the working of plastic injection moulding process.
(5 marks)
00
6.b.
Write short note on following:
(10 marks)
00
1.Centrifugal casting
2.Transfer moulding process
6.c.
What is meant by forging? Differentiate closed and open die forging
(5 marks)
00
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