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Engineering Materials

Engineering Materials
Induction hardening is basically a

Carburising process
Core hardening process
None of these
Surface hardening process

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Engineering Materials
Delta-iron occurs between the temperature ranges of

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

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Engineering Materials
Cupola produces following material

Malleable iron
Wrought iron
Cast iron
Pig iron

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Engineering Materials
The blade of a power saw is made of

Boron steel
Stainless steel
Malleable cast iron
High speed steel

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Engineering Materials
Brass contains

90% copper and 10% tin
85 - 92% copper and rest tin with little lead and nickel
70 - 75% copper and rest tin
70% copper and 30% zinc

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Engineering Materials
Closed packed hexagonal space lattice is found in

Zinc, magnesium, cobalt, cadmium, antimony and bismuth
Gamma-iron, aluminium, copper, lead, silver and nickel
Alpha-iron, tungsten, chromium and molybdenum
None of these

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