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Engineering Materials

Engineering Materials
In malleable iron, carbon is present in the form of

Nodular aggregates of graphite
Cementite
Free carbon
Flakes

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Engineering Materials
Cast iron is manufactured in

Open hearth furnace
Blast furnace
Cupola
Bessemer converter

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Engineering Materials
The material widely used for making pendulums of clocks is

Nickel steel
High speed steel
Stainless steel
Heat resisting steel

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Engineering Materials
High carbon steel carries carbon percentage

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

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Engineering Materials
Tensile strength of steel can be safely increased by

Adding carbon up to 2.8%
Adding carbon up to 0.83%
Adding carbon up to 6.3%
Adding small quantities of copper

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Engineering Materials
Addition of lead and bismuth to aluminium results in

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

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MORE MCQ ON Engineering Materials

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