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ENGINEERING MATERIALS

Engineering Materials
The hardness of steel increases if it contains

Austenite
Pearlite
Cementite
Martensite

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Engineering Materials
Gamma-iron occurs between the temperature ranges of

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

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Engineering Materials
Delta-iron occurs between the temperature ranges of

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

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Engineering Materials
The blade of a power saw is made of

High speed steel
Boron steel
Malleable cast iron
Stainless steel

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Engineering Materials
German silver is an alloy of

Nickel, Copper and zinc
Refined silver
Nickel and copper
Silver and some impurities

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