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Materials and Construction

Materials and Construction
Material of construction of pipe generally used for conveying water in India is

Stainless steel
Wrought iron
Cast iron
Lead lined steel

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

Mild steel
Pig iron
Wrought iron
High carbon steel

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Materials and Construction
Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously.

Both B and C
Antimony
Arsenic
Bismuth

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Materials and Construction
Which has the maximum melting point out of the following?

Steel
Wrought iron
Cast iron
Stainless steel

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Materials and Construction
Constantan is an alloy of

Cu (55%) & Sn (45%)
Cu (55%) & Ni (45%)
Pt (95%) & Rh (10%)
Fe (80%) & Ni (20%)

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Materials and Construction
Carbon is present in the combined form (carbide) in case of

Pig iron
Steel
All of these
Ferroalloys

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