Introduction to Materials Engineering — Winter 2021

Differentiate between metallurgy and material science.

What do you mean by technological properties? List the properties . and explain any two in detail

List the criteria for selection of an engineering materials. Explain any three in detail

Differentiate between ductility and malleability.

Diferentiate between stress and strain.

Calculate the atomic radius of Simple cubic,FCC and BCC structure.

Distinguish between the properties of ceramics, metals and plastics

Suggest combination of properties required for the following objects 1.Hammer 2.Al wire 3. Gold ornaments 4. Copper wire for electrical cable

Differentiate crystalline and non-crystalline materials

write short note on Rolling

Draw the schematic figure of extrusion process.

Differentiate the edge dislocation and screw dislocation

What do you mean by imperfection in crystals? Explain briefly the different types of crystal imperfections

Write different steps of investigation of material failure.

What is casting? Write different steps of production of foundry.

Select the material for making handle of screw driver and justify the selection of material in context of properties requirement. according to application

Being human of 21st century it is difficult to survive without metals/materials. Justify the statement.

List the advantages and limitation of foundry technology.

State the role of metallurgy Engineer in industries. List out various metallurgical industries in India.

Differentiate between soldering and brazing.

State different welding techniques used for fabrication work

What is welding? Explain SMAW in detail.1

List the characteristics of brittle failure in metal alloys.

Write brief note on forging.

Write short note on deep drawing operation.