Answer any seven out of ten. 1. Give Full form: (i) A.S.T.M. (ii) I.S. 2. Define: Standard, Specification 3. What is the difference between hardness Hardness and Toughness? 4. Draw stress strain curve for P.C.. 5. Give Full form: (i) S.P.C. (ii) S.Q.C. 6. Which flow tests are used for thermoset materials? 7. Define: Creep, Oxygen Index 8. List factors affecting Izod impact strength test result. 9. List factors affecting MFI test. 10. List types of failures.
Define Die electric strength. Explain its test with neat sketch.
[7 marks]Explain stress strain curve.
[7 marks]Explain Oxygen index test with neat sketch.
[7 marks]Explain MFI test with neat sketch.
[7 marks]Explain importance of quality control.
[7 marks]Explain Cup flow test.
[7 marks]Explain ESCR test with neat sketch.
[7 marks]List various failure analysis techniques. Explain any one of them.
[7 marks]Define Flexural strength. Explain its test.
[7 marks]Write short note: Arc resistance
[7 marks]Explain VST test with neat sketch.
[7 marks]Explain Rockwell hardness test with neat sketch.
[7 marks]Define Testing. Give reasons for testing.
[7 marks]