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Roll No: (To Be Filled in by The Candidate)

This document is a study guide for an exam on the manufacture of automotive components. It contains instructions for answering questions from three groups. Group I contains 10 short answer questions worth 3 marks each about processes like lost foam casting, engine cylinder surface finishing, gear manufacturing, valve seat deposition, shot peening, tailor welded blanks, vehicle bumper molding, automobile tire tube manufacture, PVD coating, and automotive primer coating. Group II contains 6 longer answer questions worth 10 marks each about piston ring and cylinder liner manufacture, connecting rod manufacture, automotive axle manufacture, automotive body panel assembly, propeller shaft manufacture, and engine valve manufacture. Group III contains 2 questions worth 20 marks each about automotive gear

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61 views2 pages

Roll No: (To Be Filled in by The Candidate)

This document is a study guide for an exam on the manufacture of automotive components. It contains instructions for answering questions from three groups. Group I contains 10 short answer questions worth 3 marks each about processes like lost foam casting, engine cylinder surface finishing, gear manufacturing, valve seat deposition, shot peening, tailor welded blanks, vehicle bumper molding, automobile tire tube manufacture, PVD coating, and automotive primer coating. Group II contains 6 longer answer questions worth 10 marks each about piston ring and cylinder liner manufacture, connecting rod manufacture, automotive axle manufacture, automotive body panel assembly, propeller shaft manufacture, and engine valve manufacture. Group III contains 2 questions worth 20 marks each about automotive gear

Uploaded by

RAJA
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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1199

No of Pages : 2 Course Code : 12P012

Roll No:
(To be filled in by the candidate)

PSG COLLEGE OF TECHNOLOGY, COIMBATORE - 641 004

SEMESTER EXAMINATIONS, OCTOBER / NOVEMBER - 2015

BE - PRODUCTION ENGINEERING Semester : 7

12P012 MANUFACTURE OF AUTOMOTIVE COMPONENTS

Time : 3 Hours Maximum Marks : 100


INSTRUCTIONS:
1. Answer ALL questions from GROUP – I.
2. Answer any FIVE questions from GROUP – II.
3. Answer any ONE question from GROUP – III.
4. Ignore the box titled as “Answers for Group III” in the Main Answer Book.
GROUP - I Marks : 10 x 3 = 30

1. Why the polystyrene beads are pre-expanded in lost foam casting process?

2. What is the necessity of cross hatched lay pattern in engine cylinder surface and how it
is produced?

3. Justify the importance of gear finishing process in automobile gear manufacturing.

4. State the importance of stellite deposition on engine valve seat.

5. Shot peening process improves fatigue strength of a coil spring. Justify.

6. What do you understand by the term tailor welded blank?

7. Mention the type of molding and polymers normally employed for the production of
vehicle bumpers.

8. Draw the process sequence flow chart for the manufacture of automobile tyre tube.

9. Why is PVD process better than CVD process for coating thin parts?

10. Enumerate the functions of primer coating in automotive body painting.

GROUP - II Marks : 5 x 10 = 50

11. Explain the manufacturing process of piston rings and cylinder liner with the help of flow
charts.

12. Suggest the best method to manufacture a connecting rod and explain the same with
neat sketches. Justify the selection of the process.

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1199

No of Pages : 2 Course Code : 12P012

13. What are the factors to be considered while manufacturing automotive axle? Discuss
briefly the manufacture of front and rear axle with neat sketches.

14. List the name of various body panels used in a car. Explain in detail the process of
assembling these panels to make a complete car body with neat sketches.

15. Discuss in detail the steps in manufacturing of a propeller shaft with suitable diagrams.

16. With the help of flowchart and neat sketches, explain the manufacturing processes of
engine valves.

GROUP - III Marks : 1 x 20 = 20

17. Enumerate the various metals used for manufacturing of automotive gears and gear
boxes. Discuss briefly about the automobile gear manufacturing and finishing process
with neat sketches. Also explain the heat treatment process of automotive gears.

18. List the different types of materials used for manufacture of tyre. Explain the functions of
various elements of a tyre with neat sketches. Also, explain the steps in tyre
manufacturing with suitable diagrams.

/END/
FD/JU

Page No: 2

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