MATERIAL SCIENCE
1. EXPLAIN & DRAW THE STRESS-STRAIN CURVE ?
2. WHAT IS STRESS AND STRAIN ?
3. WHAT ARE THE COMMON HEAT TREATMENT PROCESS AND EXPLAIN THEM ?
4. DEFINE STRENGTH/FATIGUE
STRENGTH/BRITTLENESS/STIFFNESS/HARDNESS/TOUGHNESS/ELASTICITY/PLASTICITY/
DUCTILITY/MALLEABILITY/MACHINABILITY/CREEP/RESILIENCE/DAMPING/THERMAL
EXPANSION ?
5.WHAT IS DIFFERENCE BETWEEN WROUGHT IRON/CAST IRON/PIG IRON ?
6. HOW STEEL IS CLASSIFIED ?
7. WHY HEAT TREAMENT PROCESS IS NECESSARY ?
8. WHAT IS DIFFERENCE BETWEEN DESTRUCTIVE AND NON DESTRUCTIVE TESTING ?
9. STATE THE NDT TESTING AND EXPLAIN THEM ?
10. EXPLAIN THE UTM ?
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