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Engineering Materials

Engineering Materials
Taps dies and drills contain carbon

Above 1%
Below 0.5%
Below 1%
Above 2.2%

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Engineering Materials
The lower critical point for all steels is

723°C
913°C
600°C
700°C

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Engineering Materials
Ball bearings are, usually, made from

High carbon steel
Medium carbon steel
Low carbon steel
Chrome steel

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Engineering Materials
Mild steel belongs to the following category

Alloy steel
Low carbon steel
Medium carbon steel
High carbon steel

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Engineering Materials
The tensile strength of wrought iron is maximum

None of these
Along the lines of slag distribution
Uniform in all directions
Perpendicular to lines of slag distribution

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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 casting characteristics
Improvement of corrosion resistance

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MORE MCQ ON Engineering Materials

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