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Materials and Construction

Materials and Construction
The phenomenon in which slow extension of material takes place with the time at constant load is called

Elasticity
Plasticity
Ductility
Creep

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Materials and Construction
Which of the following is the most prone to atmospheric corrosion?

Silver
Iron
Tin
Copper

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Materials and Construction
Corrosion involves exchange of electrons in __________ corrosion.

Neither A nor B
Both A & B
Chemical
Electrochemical

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Materials and Construction
Which of the following will have the highest melting point?

Mild steel
Wrought iron
High carbon steel
Pig iron

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Materials and Construction
Hastelloy comprises of

Copper and nickel
Copper and tin
Lead and tin
Molybdenum and nickel

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Materials and Construction
When iron is rusted, it is

Reduced
Oxidised
None of these
Converted to a fine powder

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