MATERIALS TECHNOLOGY
Previous year question paper with solutions for MATERIALS TECHNOLOGY
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- Classify engineering materials and compare their main properties
- Define fatigue. Explain briefly the mechanisms of c fatigue failure. State the methods to improve the fatigue resistance of a material.
- Classify the ferrous materials. What are the limitations of ferrous materials? Suggest the most appropriate ferrous material with suitable reason for the following application :machine tool beds, nails, pipe fittings, cutting tools.
- Explain in detail laminated, aminos and phenolics plastics. State their properties and its use.
- Discuss the relative advantage and disadvantage of case hardening by various processes.
- Explain why the two phase titanium alloys are stronger than the single phase alpha alloys.
- Explain in detail the various mechanisms of environmental degradation. Also write the remedies measure against each degradation process.
- Explain the principle of ultrasonic inspection. Explain the difference between through-transmission and pulse-echo methods of ultrasonic inspection.
- Explain the mechanical properties of pearlite, spheroidite and bainite microstructural steel.
- Explain the relation between the origin of fracture and the final fracture zone of a part subject to a one way bending load and one subjected to a rotating bending load.