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Materials and Construction

Materials and Construction
Valves in pipe size of 2" and under are normally made of

Brass
Monel
Bronze
Wrought iron

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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
Which of the following pairs of elements may form an alloy?

None of these
Platinum & mercury
Iron & mercury
Iron & carbon

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Materials and Construction
The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.

Agglomeration
Precipitation
Sintering
Fusion

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Materials and Construction
Iron rust is

Ferrous oxide
Powdered iron
Ferric sulphide
Hydrated ferric oxide

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Materials and Construction
Ball bearings are generally made of

Plain carbon steel
Chrome carbon steel
Malleable cast iron
Stainless steel

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