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Engineering Materials

Engineering Materials
Chromium when added to steel _________ the tensile strength.

Does not effect
None of these
Decreases
Increases

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Engineering Materials
Which of the following elements does not impart hardness to steel?

Nickel
Silicon
Copper
Chromium

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Engineering Materials
The percentage of carbon in low carbon steel is

0.05%
0.5%
0.3%
0.15%

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Engineering Materials
Which is the false statement about wrought iron? It has

High ductility
Uniform strength in all directions
High resistance to rusting and corrosion
Ability of hold protective coating

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Engineering Materials
High carbon steel carries carbon percentage

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

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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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MORE MCQ ON Engineering Materials

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