Answer any seven of the following questions:

(a) Define automation.

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

(c) Which G-code movement? gives point-to-point

(d) Name the basic geometric building block provided in a CAD/CAM package.

(e) How can the speed and position in CNC be controlled?

(f) What effect does overloading have on fluid power and electrical systems?

(g) Can we simulate transportation, manufacturing and health system?

(h) Why are designs periodically modified?

(i) Which technique is used for solution of nonlinear programming?

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

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

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

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

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

6. Explain the concept of flexible manufacturing system.

7. Explain the following commands in geometric modelling:

(a) Scaling

(b) Mirror

(c) Rotation

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

9. Write a CNC program using appropriate G and M code to turn component as shown in the figure below. Raw material-MS $32×50 mm, cutting speed V-40 m/min and feed 0-1. Assume suitable data for depth of cut:

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