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Engineering Materials

Engineering Materials
Manganese in steel increases its

Ductility
Hardness
Tensile strength
Fluidity

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Engineering Materials
German silver is an alloy of

Silver and some impurities
Nickel, Copper and zinc
Nickel and copper
Refined silver

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Engineering Materials
Eutectoid reaction occurs at

723°C
1147°C
1493°C
600°C

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Engineering Materials
Addition of copper to aluminium results in

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

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Engineering Materials
The aluminium alloy, mainly used, for anodized utensil manufacture, is

Duralumin
Y-alloy
Magnalium
Hindalium

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Engineering Materials
The hardness of steel primarily depends on

Percentage of carbon
Heat treatment employed
Percentage of alloying elements
Shape of carbides and their distribution in iron

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MORE MCQ ON Engineering Materials

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