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Materials and Construction

Materials and Construction
Which of the following has the least carbon percentage?

Low carbon steel
White cast iron
Mild steel
Wrought iron

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Materials and Construction
Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing.

Bismuth
Antimony
Arsenic
Oxygen

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Materials and Construction
Wrought iron is having very high

Susceptibility to changes in its properties by heat treatment
Hardness
Strength
Corrosion resistance

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Materials and Construction
Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of

Copper
Stainles steel
High silicon (14%) iron
Aluminium

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Materials and Construction
Acetaldehyde is shipped in __________ drums.

Either B & C
Cast iron
Steel
Aluminium

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Materials and Construction
Liners of a ball mill are never made of

Alloy steel
Lead
Cast iron
Rubber or ceramic material

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