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Materials and Construction

Materials and Construction
Which one contains the least percentage of carbon?

Pig iron
Wrought iron
High speed steel
Cast iron

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Materials and Construction
As the impurities are oxidised, the melting point of iron

Decreases
May increase or decrease ; unpredictable
Increases
Remains unchanged

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Materials and Construction
Pick the odd man out of the following.

Cyaniding
Pack carburising
Calorising
Nitriding

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Materials and Construction
Caustic soda is transported in __________ lined containers.

Glass
Neoprene
Nickel
Either B or C

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Materials and Construction
Photographic plates are coated with

Silver nitrate
Silver halide
Calcium silicate
Metallic silver

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Materials and Construction
Soap kettle used in the production of laundry soap is made of

Nickel
Concrete
Cast iron
Steel with top section nickel clad or stainless steel

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