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Engineering Materials

Engineering Materials
Which of the following property is desirable for materials used in tools and machines?

Elasticity
Plasticity
Ductility
Malleability

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Engineering Materials
Constantan an alloy used in thermocouples is an alloy of

Copper and iron
Copper and tin
Copper and nickel
Copper and zinc

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Engineering Materials
Delta-iron occurs between the temperature ranges of

600°C to 900°C
1400°C to 1530°C
400°C to 600°C
900°C to 1400°C

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Engineering Materials
The cupola is used to manufacture

Pig iron
Wrought iron
Cast iron
Steel

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Engineering Materials
Which is false statement about case hardening? Case hardening is done by

Electroplating
Induction hardening
Cyaniding
Nitriding

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Engineering Materials
Which of the following is not the correct method of increasing fatigue limit?

Shot peening
Cold working
Surface decarburisation
Nitriding of surface

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