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Engineering Materials

Engineering Materials
Eutectoid steel contains following percentage of carbon

0.0063
0.008
0.003
0.0002

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Engineering Materials
In high speed steels, manganese is used to tougher the metal and to increase its

Critical temperature
Yield point
Hardness
Melting point

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Engineering Materials
Iron is

Dielectric
Paramagnetic
Ferromagnetic
Ferroelectric

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Engineering Materials
Cast iron is manufactured in

Blast furnace
Open hearth furnace
Bessemer converter
Cupola

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Engineering Materials
Which of the following represents the allotropic forms of iron?

Alpha iron, beta iron and gamma iron
Alpha iron, gamma from and delta iron
Body centered cubic iron and face centered cubic iron
Alpha iron and beta iron

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Engineering Materials
Eutectoid reaction occurs at

1147°C
600°C
1493°C
723°C

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