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Engineering Materials

Engineering Materials
An eutectoid steel consists of

Wholly pearlite
Pearlite and ferrite
Wholly austenite
Pearlite and cementite

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Engineering Materials
In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion.

Sulphur
Manganese
Phosphorus
Silicon

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Engineering Materials
The aluminium alloy, mainly used, for anodized utensil manufacture, is

Y-alloy
Hindalium
Duralumin
Magnalium

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Engineering Materials
Tungsten in high speed steel provides

Sharp cutting edge
Wear resistance
Hot hardness
Toughness

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Engineering Materials
Cartridge brass can be

Formed into tube
Any one of these
Drawn into wires
Cold rolled into sheets

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Engineering Materials
Delta iron occurs at temperature of

Between 910°C and 1400°C
Between 1400°C and 1539°C
Above melting point
Room temperature

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