Manufacturing Processes - all units 2 / 3 Marks Question Bank

Board Exam Question Bank. (October 2016 to October 2019)Manufacturing Processes                     Scheme : M.

Note (i) These questions are collected from Dote previous year question paper

          (ii) Highlighted questions are asked two or more than times  

2/3 marks questions

Unit – 1, Foundry Technology

1.   Define pattern.

2.   What is the use of core?

3.   Explain the draft allowance

4.   Explain the balanced core with a sketch.

5.   List out the various moulding tools.

6.   Mention the applications of centrifugal casting.

7.   List out the factors for selecting pattern material.

8.   What are the essential qualities of core sand.

9.   Name any four pattern materials.

10. State any two advantages of die casting.

11. State any three merits of dry sand mould.

12. Sketch the pit furnace and mark the parts.

13. State the properties of moulding sand.

14. Name any two microstructure of steel.

15. Why is it so called co₂ process of core making?

16. Define split piece pattern.

17. Name any two crucible furnaces.

18. What is the use of cupola?

19. Sketch and explain the sweep pattern.

20. Why plastic is used as pattern material?

21. Name any two defects in casting.

22. Describe co₂ process of core making.

23. Define Solid piece pattern.

24. Explain any one Pattern allownace.

25. Name the pressure die casting methods.

26. State the essential qualities of a core.

Unit – 2, Welding Technology

1.    Name the two basic types of electrode.

2.    Name any two non – destructive tests used in welding inspection.

3.    State any three functions of flux coating on a metal electrode.

4.    Describe the function of a pressure regulator fixed on a gas cylinder.

5.    What are the advantages of atomic hydrogen welding?

6.    Distinguish between soldering and brazing.

7.    Write the applications of plasma arc and submerged arc welding.

8.    State any two functions of flux coating.

9.    Write any four defects in welding.

10. What is the principle of resistance welding?

11. Sketch any one type of gas welding technique.

12. Enumerate any two basic types of welding process

13. Name any two welding defects.

14. State the limitations of gas welding

15. What are the types of flames? Explain any one of them.

16. Sketch and explain seam welding.

17. Explain soldering.

18. Explain the principle of resistance welding.

19. State the expansion of TIG and MIG welding,

20. List the advantages of gas welding.

21. Define welding

22. What is flame cutting?

23. Sketch and explain spot welding.

24. Sketch and explain radiographic test.

Unit – 3, Forming Technology 

1.    Name any two methods of metal powder manufacturing.

2.    What is cold working?

3.    State any three advantages of cold working.

4.    What is infiltration in powder metallurgy?

5.    List out any four press working operations.

6.    Name the various press accessories.

7.    Mention the limitations of cold working.

8.    List out the step by step procedure of making products in powder metallurgy.

9.    What is hot working?

10. What is a press tool?

11. Compare mechanical press with hydraulic press.

12. Why sintering operation is required in powder metallurgy process?

13. Give the main advantages of hydraulic press.

14. What are the methods of manufacturing metal powders?

15. List the hot working operations

16. What are the design rules for the powder metallurgy process?

17. Define powder metallurgy.

18. Explain sizing in powder metallurgy.

19. What is lancing?

20. What is electrolytic deposition of metal powder manufacture?

21. Define forging.

22. Sketch and explain angle bending.

Unit – 4, Theory of metal cutting

1.    What is the use of mandrel in lathes?

2.    Compare the steady rest with follower rest.

3.    Give the relationship between cutting speed and tool life.

4.    Write the important specifications of lathe.

5.    Name any four taper turning methods.

6.    Compare back gear head stock with all gear head stock.

7.    List out any two lathe tools.

8.    Name the types of lathe centers. Sketch a half center.

9.    Write down the equation for finding out the set over of tail stock in taper turning.

10. Name the two types of semi-automatic lathes.

11. Name any four tool holders of semi-automatic lathes.

12. Name any two types of chips.

13. What are the factors affecting tool life?

14. Write a note on Geneva indexing mechanism.

15. Name the two types of head stocks of center lathe.

16. State any three functions of cutting fluid.

Unit -5, Drilling and Metrology

1.    Name the straight shank drill bit holding device.

2.    Define / differentiate the terms precision and accuracy.

3.    List out the applications of feeler gauges.

4.    State the functions of flutes in drill.

5.    What is the use of thread micrometer? Give the formula that is used in three wire method to calculate pitch diameter.

6.    What is calibration?

7.    Explain counter boring operation with a sketch.

8.    Mention the two parts of micrometer, between which work piece is introduced for measurement.

9.    List out the important measuring instruments.

10. Define metrology.

11. Sketch and explain inside caliper.

12. Mention two merits of optical comparator.

13. Mention the uses of combination set.

14. Define drilling.

15. Explain deep hole drilling

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