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Materials and Construction

Materials and Construction
A chemical change takes place when iron

Rusts
Melts
None of these
Is heated

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Materials and Construction
To improve the machinability of steel, it is generally subjected to

Spheroidising
Tempering
Annealing
Normalising

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Materials and Construction
Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium

And copper
And graphite
None of these
Tin, nickel, iron and chromium

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Materials and Construction
The carbonating tower used in Solvay process of soda ash manufacture is made of

Cast iron
Lead lined steel
Karbate
Stainless steel

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Materials and Construction
Which of the following is not shipped in mild steel containers?

Acetone
Formic acid
Ammonia
Ethyl alcohol

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Materials and Construction
Slow plastic deformation of metals under a constant stress is termed as __________ failure.

None of these
Endurance
Fatigue
Creep

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