Automation in Manufacturing - B.Tech 6th Semester Examination, 2022

2022•Semester 3•Civil-CA•End Semester
Bihar Engineering University, Patna
B.Tech 6th Semester Examination, 2022

Automation in Manufacturing

Time: 03 HoursCode: 102605Full 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 of the following questions:[14]

  1. Define automation.

  2. Which type of control system is suitable in applications like food industry, petro-chemical and industries involving robots?

  3. Which G-code gives point-to-point movement?

  4. Name the basic geometric building block provided in a CAD/CAM package.

  5. How can the speed and position in CNC be controlled?

  6. What effect does overloading have on fluid power and electrical systems?

  7. Can we simulate transportation, manufacturing and health system?

  8. Why are designs periodically modified?

  9. Which technique is used for solution of nonlinear programming?

  10. Name any two of the available softwares used in computer-aided design (CAD).

Q.2 Solve this question :[14]

  1. Why is automation necessary in manufacturing field? Write its advantages and disadvantages.

Q.3 Solve this question :[14]

  1. What is PLC? Explain the working of PLC.

Q.4 Solve this question :[14]

  1. Classify CNC machines. Explain which one is suitable for small-scale industries and why.

Q.5 Solve this question :[14]

  1. Discuss the CIM wheel with neat sketch. Briefly discuss various elements of CIM.

Q.6 Solve this question :[14]

  1. Explain the concept of flexible manufacturing system.

Q.7 Solve this question :[14]

  1. Explain the following commands in geometric modelling: (a) Scaling, (b) Mirror, (c) Rotation

Q.8 Solve this question :[14]

  1. Explain system modelling. Write differences between continuous and discrete event.

Q.9 Solve this question :[14]

  1. Write a CNC program using appropriate G and M code to turn component as shown in the figure below. Raw material-MS \( \Phi 32 \times 50 \text{ mm} \), cutting speed \( V = 40 \text{ m/min} \) and feed = 0.1. Assume suitable data for depth of cut.

    Question Diagram