Engineering Materials
Which is false statement about properties of aluminium?

Creep strength limits its use to fairly low temperatures
Modulus of elasticity is fairly low
Wear resistance is very good
Fatigue strength is not high

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Engineering Materials
Free carbon in iron makes the metal

Hard and gives a coarse grained crystalline structure
Soft and gives a coarse grained crystalline structure
Hard and gives a fine grained crystalline structure
Soft and gives a fine grained crystalline structure

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