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Engineering Materials

Engineering Materials
Preheating is essential in welding

All of these
All nonferrous materials
High speed steel
Cast iron

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Engineering Materials
Beryllium bronze contains

60% copper and 40% beryllium
97.75% copper and 2.25% beryllium
99% copper and 1% beryllium
80% copper and 20% beryllium

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Engineering Materials
Isotropic materials are those which have the same

Electric and magnetic properties in all directions
Stresses induced in all directions
Thermal properties in all directions
Elastic properties in all directions

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Engineering Materials
Cemented carbide tools are not found to be suitable for cutting

Aluminium
Brass
Steel
Cast iron

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Engineering Materials
Induction hardening is the process of

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

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Engineering Materials
German silver contains

5% silver
No silver
2% silver
1% silver

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MORE MCQ ON Engineering Materials

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