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Engineering Materials

Engineering Materials
High carbon steel carries carbon percentage

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

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Engineering Materials
The percentage carbon content in wrought iron is about

0.1
2
0.4
0.02

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Engineering Materials
Eutectoid steel contains following percentage of carbon

0.008
0.003
0.0063
0.0002

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Engineering Materials
Brass contains

85 - 92% copper and rest tin with little lead and nickel
90% copper and 10% tin
70% copper and 30% zinc
70 - 75% copper and rest tin

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Engineering Materials
Pearlite consists of

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

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Engineering Materials
The machinability of steel is increased by

Silicon and sulphur
Phosphorous, lead and sulphur
Sulphur, graphite and aluminium
Phosphorous and aluminium

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