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Materials and Construction

Materials and Construction
Softness of silver can be converted into hardness by alloying it with small quantity of

Tin
Aluminium
Zinc
Copper & nickel

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Materials and Construction
Wood is corroded by

SO₂ (dry or wet)
All of these
Chlorine (dry or wet)
Hydrochloric acid

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Materials and Construction
Photographic plates are coated with

Silver nitrate
Metallic silver
Silver halide
Calcium silicate

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Materials and Construction
Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of

High carbon steel
Copper
Brass
Aluminium

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Materials and Construction
Which of the following is a low melting point metal?

Copper
Stainless steel
Tin
Wrought iron

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Materials and Construction
Carbon is present in the combined form (carbide) in case of

All of these
Ferroalloys
Pig iron
Steel

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