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Materials and Construction

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

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

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Materials and Construction
Purity of electrical grade aluminium should be ≥ __________ percent.

90
99.5
85
95

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Materials and Construction
Chilled iron castings are

None of these
Soft on surface
Easily machinable
Highly wear resistant

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

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Materials and Construction
Which of the following finds the least commercial use?

Low carbon steel
Pure iron
High carbon steel
High silicon iron

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Materials and Construction
How many atoms are there per unit cell in a body centred cubic lattice system?

6
3
4
2

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