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Engineering Materials

Engineering Materials
Iron ore is usually found in the form of

Oxides
All of these
Carbonates
Sulphides

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Engineering Materials
The material in which the atoms are arranged regularly in some directions but not in others, is called

Crystalline material
None of these
Mesomorphous material
Amorphous material

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Engineering Materials
Induction hardening is the process of

Hardening surface of work-piece to obtain hard and wear resistant surface
Increasing hardness throughout
Inducing hardness by continuous process
Heating and cooling rapidly

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Engineering Materials
Nodular iron has

All of these
Low melting point
High tensile strength
High machinability

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Engineering Materials
The silicon steel is widely used for

Connecting rods
Cutting tools
Generators and transformers in the form of laminated cores
Motor car crankshafts

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Engineering Materials
Process of Austempering results in

Formation of bainite structure
Carburised structure
Lamellar layers of carbide distributed throughout the structure
Martenistic structure

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