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Engineering Materials

Engineering Materials
The blade of a power saw is made of

Boron steel
Stainless steel
High speed steel
Malleable cast iron

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Engineering Materials
The alloy used for making electrical resistances and heating elements is

Invar
Magnin
Nichrome
Elinvar

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Engineering Materials
Aluminium bronze contains aluminium and copper in the ratio of

2.1180555555556
2.5277777777778
40 : 60
0.47916666666667

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Engineering Materials
Drop forging dies contain carbon of the order of

0.6 to 0.7%
0.7 to 0.9%
0.1 to 0.2%
0.25 to 0.5%

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Engineering Materials
The property of a material due to which it breaks with little permanent distortion, is called

Ductility
Plasticity
Malleability
Brittleness

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Engineering Materials
Sulphur in cast iron

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

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MORE MCQ ON Engineering Materials

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