This document contains questions and answers related to manufacturing technology. It is divided into 5 units covering topics like casting, welding, metal forming processes, sheet metal working, and plastics processing. The questions range from basic definitions to explanations of specific manufacturing processes. Some key points addressed include different casting methods, welding techniques, working of metals, sheet metal forming operations, types of plastics and their processing methods.

1. 1 Prepared By: SK NAGOOR VALI
DEPARTMENT OF MECHANICAL ENGINEERING
QUESTION BANK
Sub Code: ME 2201
Name: Manufacturing Technology-I Year/Sem:II / III
UNIT- I
PART – A (2 Marks)
1. Define casting?
2. What are the metals used for casting?
3. What are the pattern materials?
4. State the application of sweep and skeleton pattern.
5. What is split pattern?
6. Name any four types of commonly used patterns.
7. What are the different types of mould sands?
8. Mention the difference between green sand mould and dry sand mould.
9. State the property of good mould sand.
10. What is shell moulding? Give one example.
11. What is die-casting?
12. Mention any two merits and demerits of die casting.
13. Give any two merits and demerits of investment casting.
14. Name four different casting defects.
15. What is metal spinning process?
Part-B (16 Marks)
1. What are the pattern allowances? Explain briefly each.
2. Discuss the properties of moulding sand.
3. Explain the CO2 process of core making state its advantages and applications.
4. State the different type of mould. Write a short note on „Green sand mould‟ and shell
moulding
5. Write a neat sketch of a cupola, Explain its operate.
6. Explain investment casting with a neat sketch?
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2. 2 Prepared By: SK NAGOOR VALI
7. What are the different types of furnace used in foundry? Describe in detail with neat
sketches any one of them.
8. Explain briefly the various moulding method used in foundries.
9. Enumerate the continuous casting defects and suggest suitable remedies.
10. Explain the various non –destructive inspection methods of cast products.
UNIT -II
Part-A (2 Marks)
1. Define welding process.
2. Define fusion welding.
3. What are different method of welding you know?
4. Define arc crater.
5. Mention any two advantages of D .C and A. C welding.
6. List out any four arc welding process.
7. When is the straight polarity used for arc welding?
8. What is the purpose of coating on an arc – welding electrode?
9. What are the two main different of consumable electrode and non – consumable electrode?
10. How does MIG welding differ from TIG welding?
11. What is the main different between upset butt welding and flash butt welding?
12. What are the various types of flame?
13. Define plasma arc welding.
14. Why is flux used in soldering and brazing?
15. Mention the application of friction welding.
Part-B (16 Marks)
1. How is welding process classified?
2. Explain the method of laser beam welding and give their applications.
3. Explain the method of electron beam welding and given their applications.
4. Describe plasma Arc welding and given their applications.
5. Describe and explain Ultrasonic welding and give their applications.
6. Explain Thermit welding and given their applications.
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3. 3 Prepared By: SK NAGOOR VALI
7. What is frication welding? give their advantage and limitations
8. Distinguish between brazing, soldering and welding
9. Explain the TIG and MIG system of welding, and application.
10. Describe brazing process.
UNIT-III
Part-A (2 Marks)
1. Define cold working of metals.
2. Define re crystallization temperature.
3. Give some examples for mechanical working of metals.
4. Define forging.
5. Give some basic forging operations.
6. Define extrusion ratio.
7. Define tube drawing.
8. Define degree of drawing.
9. Name four different press-working operations.
10. What are the defects in forging operations?
11. Mention the some drawbacks of hot working.
12. What are the disadvantages of forging process?
13. Define open die and closed die forging.
14. Classify the types of rolling mills.
15. Compare direct and indirect extrusion process.
Part-B (16 Marks)
1. Explain the hot working and cold working with suitable examples.
2. Define rolling and discuss according to the classification.
3. Discuss the various forging operations.
4. Give the advantage of press forging over drop forging.
5. What are the defects in forgings? Explain it.
6. How the pipe and tubes are manufacturing?
7. Define drawing and discuss the classification with neat sketch.
8. State the different type of extrusion and explain.
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4. 4 Prepared By: SK NAGOOR VALI
9. Draw and explain the various types of rolling mills.
10. Distinguish between wire drawing and tube drawing.
UNIT-IV
Part-A (2 Marks)
1. What is sheet metal work?
2. Write down any four sheet metal characteristics.
3. What is meant by clearance?
4. What is stretching?
5. Define the term “spring back”.
6. What is punching operation?
7. What is cold spinning operation?
8. What is peen forming?
9. Define hydro forming process.
10. Define metal spinning operation.
11. Define “Embossing”
12. What a note on super plastic forming.
13. Define the term form-ability.
14. State the advantages of press working operations.
15. What do you mean by bend radius?
Part-B (16 Marks)
1. Describe shearing operations in a sheet metal work with a neat sketch.
2. Describe various types of bending operations with its neat sketches,
3. Explain any one method of stretch forming operation with a neat sketch,
4. Explain hydro forming process with its neat sketches. State their advantage and
applications.
5. Explain the power spinning process with a neat sketch .give their applications
6. How magnetic pulse forming process is carried out on sheet metal?
7. Explain peen forming process with a neat sketch
8. What is super plastic of metal? How this process is carried out on sheet metals?
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5. 5 Prepared By: SK NAGOOR VALI
9. Name and describe the common bending operation.
10. Explain the following sheet metal operations, advantages, limitations and applications
(i) Bending (ii) Drawing (iii) Stretch forming
1. How the plastic is defined?
2. Give some examples of additives
UINT-V
PART-A (2 Marks)
3. Give some examples for thermosetting plastics.
4. Give some example of thermo plastics.
5. Give some additives added to the manufacturing of rubber.
6. What are the processes of thermoplastics?
7. What are the two types of injection moulding?
8. What are the types of compression moulding?
9. Define co polymerization
10. What are the foamed plastics?
11. What are the materials used for the processing of plastics?
12. What is degree of polymerization?
13. What is fine blowing?
14. What do you mean by RIM?
15. List the application of transfer moulding.
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6. 6 Prepared By: SK NAGOOR VALI
Part-B (16 Marks)
1. What are the characteristics of the forming and shaping processes?
2. What are the types of moulding and thermoplastics?
3. Explain the working principles and application of
a. Injection moulding
b. Blow moulding
c. Rotational moulding
d. Film blowing
4. Explain the thermoforming process.
5. Explain induction and ultrasonic methods.
6. Explain working and principle of applications of
a. Compression moulding
b. Transfer moulding
7. What is bonding of thermo plastics? Explain.
8. What are the fusion and solvent methods?
9. Explain induction and ultrasonic methods.
10.What are the considerations in design of plastic molded parts.
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