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Materials and Construction

Materials and Construction
Urea autoclave is made of

Refractory blocks
Lead lined steel
Cast iron
Stainless steel

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Materials and Construction
When the steel is subjected to normalising, its __________ decreases.

Ultimate tensile strength (UTS)
None of these
Yield point
Ductility

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Materials and Construction
Copper has very low

Tensile strength
Malleability
Ductility
Thermal & electrical conductivity

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Materials and Construction
DDT is shipped in

Paper bags
Either B or C
Fibre drums
Stainless steel containers

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Materials and Construction
The metals occuring at the lower most position in the electromotive series

Are very brittle
Do not resist corrosion
Resist corrosion very strongly
Are heat insulators

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Materials and Construction
An alloy of iron containing 4% carbon is called

None of these
High carbon steel
Wrought iron
Mild steel

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