B.E/B.TECH. DEGREE EXAMINATION ,MAY/JUNE 2006
Seventh semester ,Mechanical engineering
Unconventional machining process
MAXIMUM: 100 marks
PART A (10 X2 =20)
1.What are the importance of unconventional machining.
2. Explain the classification of unconventional machining according to major energy source employed
3. List out the importance of EDM.
4. Give the product application of EDM.
5. What are the functions of electrolyte in ECM?
6. Mention the salient features of USM.
7. Define electron beam.
8. Contrast LBM and EBM.
9. Write the application of ASM.
10 Describe the commonly used gas mixture in PAM and their corresponding work materilas
PART B (5 X 16 =80)
11 (i) With the help of neat sketch , Describe the EDM process.
(ii) Explain briefly advantages of wire EDM process.
12 (a) (i) Explain the principle of ECG with sketch
(ii) List out the advantage of EGC over conventional grinding.
(iii) Mention the product applcation of ECG.
(b) Explain in detail the ECM process with neat sketch and also mention the advantages and application.
13 (a) (i) Explain the principle of LBM with neat skeych
(ii) List out the advantage and limitation of LBM process.
(b) (i) Explain the principle of PAM with sketch
(ii) List out the advantage and limitation of PAM process.
14 (a) (i) Mention the application of EBM.
(ii) What is EBM? Sketch its set up an indicate its main parts and explain the priciple of operation
(b) (i) Explain the principle of USM with neat diagram.
(ii) List the commonly used abrasive powder for the tooling of USM and their properties.
15 (a) (i) Explain the method of AJM with help of schematic diagram.
(ii) Mention the advantages and limitations of AJM.
(b) Explain the process parameters in water JM processs.