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Engineering Materials

Engineering Materials
Eutectoid steel contains following percentage of carbon

0.008
0.0002
0.003
0.0063

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Engineering Materials
High carbon steel carries carbon percentage

0.1 to 0.3%
0.3 to 0.6%
0.6 to 0.8%
0.8 to 1.5%

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Engineering Materials
The blade of a power saw is made of

Malleable cast iron
Stainless steel
High speed steel
Boron steel

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Engineering Materials
Pearlite consists of

6.67% carbon and 93.33% iron
13% carbon and 87% ferrite
13% cementite and 87% ferrite
13% ferrite and 87% cementite

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Engineering Materials
Addition of silicon to aluminium results in

Improving machinability
One of the best known age and precipitation hardening systems
Improvement of corrosion resistance
Improvement of casting characteristics

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Engineering Materials
The ratio of the volume occupied by the atoms to the total volume of the unit cell is called

None of these
Space lattice
Coordination number
Atomic packing factor

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