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ENGINEERING MATERIALS

Engineering Materials
Sulphur in cast iron

Aids fusibility and fluidity
Makes the iron soft and easily machinable
Make the iron white and hard
Increases hardness and brittleness

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Engineering Materials
An example of amorphous material is

Silver
Zinc
Glass
Lead

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Engineering Materials
Steel made from phosphate iron is

Brittle
Hard
Tough
Ductile

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Engineering Materials
The alloying element which reduces the formation of iron sulphide in steel is

Nickel
Vanadium
Chromium
Manganese

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

Sulphur
Silicon
Phosphorus
Manganese

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