7/29/2019 production technology R10 jntuk

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Prepared by S.SRIKANTH Asst.Prof

UNIT-1

Production TechnologyAssignment question

1. What are the advantages of casting process over other shaping processes?2. Give an account of different pattern material?3. What are composite moulds? Why are they used? Where are they used?4. What are different types of gates?5. What are the primary requirements of a moulding sand? How is each

provided by the sand and additive aggregate?

6. What is shrink rule, and how does it work?7. Give an account of relative advantages and disadvantages of different

pattern materials.

8. What are different pattern allowances? Explain.9. Mention the advantages of casting when compared with other

manufacturing processes.

10.What are the typical applications of casting?11.Write the advantages and disadvantages of green sand mould and dry sand

mould.

12.Explain the different pattern allowances.13.How do you perform gating design? Explain Gating ratio.14.Name the materials used for patterns with their relative advantages and

disadvantages.15.Discuss the steps involved in casting process.16.How do you manufacture hollow components through casting?

7/29/2019 production technology R10 jntuk

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Prepared by S.SRIKANTH Asst.Prof

UNIT-2

Production TechnologyAssignment question

1. Describe the solidification of a pure metal with a neat sketch.2. Large castings are not made by investment casting. Comment.3. Differentiate between directional and unidirectional solidification4. Compare cold chamber and hot chamber method of die casting.5. Write the product applications of semi centrifugal and centrifugal castingmethods.

6. Write the advantages, limitations and product applications of investmentcasting methods.

7. What are some of the undesirable consequences that could result fromturbulence of the metal in the gating system and mould cavity? Explain.

8. Differentiate and explain vertical and horizontal gating system?9. What is directional solidification of casting? How can one achieve it?10.Describe the steel making process.11.Describe the working of cupola furnace and indicate the different zones in it.12.Explain the semi centrifugal casting with a neat sketch.13.Name a few components that can be manufactured by semi centrifugalcasting.

14.What is meant by precision investment casting process?15.

What are the advantages, disadvantages and applications of investment

casting process?

7/29/2019 production technology R10 jntuk

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Prepared by S.SRIKANTH Asst.Prof

UNIT-3

Production TechnologyAssignment question

1.What are the various types of welding joints? How are they classified?Explain all of with neat sketches.

2.Explain the process of Thermit welding and discuss its advantages?3.How do you classify the welding processes? Explain briefly.4.Describe the appearance and properties of i) neutral flame ii) reducing flame

iii) oxidizing flame.

5.How does straight polarity differ from reverse polarity?6.Write the applications, advantages and limitation of gas welding.7.Write about spot welding electrodes.8.What is meant by Thermit welding? Where it is generally applied?9.Explain the process of resistance spot welding emphasizing the process

parameters involved in it?

10.Classify the welding process.11.How do you minimize HAZ in welding?12.What are the types of resistance welding? Explain.13.Explain the process of Oxy Acetylene Gas cutting with a neat sketch.14.What is electron beam welding? What are its welding parameters?15.What are the advantages of electron beam welding when compared with

other fusion welding processes?

7/29/2019 production technology R10 jntuk

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Prepared by S.SRIKANTH Asst.Prof

UNIT-4

Production TechnologyAssignment question

1.What are some of the commonly used shielding gases in gas tungsten arcprocess? Explain their characteristics.

2.What are the primary process variables of gas metal arc welding? Explaintheir influence on weld quality.

3.What are the reasons for various defects observed in welding? List out thewelding defects suggest remedies?

4.Describe with neat sketch the CO2 MIG welding process and give itsspecific applications.

5.What is weldability? What factors influence it?6.Distinguish between Soldering and Brazing.7.What are the advantages of solid state welding when compared to fusion

welding processes in it?

8.Name the welding defects. What are their causes?9.What are remedial measures to eliminate welding defects?10.What are the advantages of performing pre-welding and post -welding?

How are they preformed?

11.Explain the principle of i) induction welding and ii) explosive welding