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Engineering Materials

Engineering Materials
Manganese in steel increases its

Hardness
Fluidity
Ductility
Tensile strength

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Engineering Materials
Induction hardening is the process of

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

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Engineering Materials
The charge is fed into the blast furnace through the

Bosh
Tyres
Stack
Throat

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Engineering Materials
Cupola produces following material

Pig iron
Cast iron
Malleable iron
Wrought iron

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Engineering Materials
Ferromagnetic alpha iron exists in temperature range of

1400 to 1539°C
Below 723°C
770 to 910°C
910 to 1440°C

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Engineering Materials
Body centered cubic space lattice is found in

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

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