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Materials and Construction

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

High carbon steel
Pig iron
Mild steel
Wrought iron

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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
Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of

Aluminium
Rubber lined mild steel
Cast iron
Lead lined mild steel

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Materials and Construction
Coke oven regenerators are made of __________ bricks.

Fire clay
Low thermal conductivity
High electrical conductivity
Silica

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Materials and Construction
Fatigue failure of a material results from __________ stress.

Compressive
Tensile
Fluctuating
None of these

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Materials and Construction
Manganese in steel affects its

None of these
Ductility
Tensile strength
Hardness

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