Workshop Manufacturing Practices - B.Tech 2nd Semester Exam., 2021 (New Course)

2021•Semester 3•Civil-CA•End Semester
Bihar Engineering University, Patna
B.Tech 2nd Semester Exam., 2021 (New Course)

Workshop Manufacturing Practices

Time: 3 hoursCode: 100205Full Marks: 70

Instructions:

  1. All questions carry equal marks.
  2. There are NINE questions in this paper.
  3. Attempt FIVE questions in all.
  4. Question No. 1 is compulsory.
Q.1 Answer any seven questions :[14]

  1. Differentiate between wood and timber.

  2. Differentiate between hot working and cold working.

  3. Explain the types of flames in gas welding.

  4. Explain forming process.

  5. Differentiate between machining center and machine tool.

  6. Explain the role of polarity in electric arc welding.

  7. List the properties of materials.

  8. Explain alloys.

  9. Differentiate between 3-jaw and 4-jaw chuck.

  10. Write on the classification of steel.

Q.2 Solve this question :[14]

  1. Classify various manufacturing processes along with the suitable materials that can be used in each process.

Q.3 Solve this question :[14]

  1. List the various additive manufacturing processes and explain 3D printing in detail.

Q.4 Solve this question :[14]

  1. Explain the various operations that can be performed in fitting shop.

Q.5 Solve this question :[14]

  1. Explain the different types of saw used in carpentry shop along with neat sketches.

Q.6 Solve this question :[14]

  1. Explain the various techniques used for glass moulding.

Q.7 Solve this question :[14]

  1. Classify and explain the various casting defects along with neat sketches.

Q.8 Solve this question :[14]

  1. Explain the types of welding joints. Also differentiate clearly between soldering and brazing along with its applications.

Q.9 Solve this question :[14]

  1. With the help of a neat sketch, explain the gas welding process.