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Materials and Construction

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

High carbon steel
Pure iron
Low carbon steel
High silicon iron

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Materials and Construction
Hardened steel is softened by

Annealing
Carburising
Normalising
Tempering

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Materials and Construction
18/8 stainless steel means, that it contains

18% chromium and 8% nickel
18% molybdenum and 8% chromium
18% nickel and 8% chromium
18% chromium and 8% molybdenum

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Materials and Construction
Nickel is a __________ material.

Ferromagnetic
Diamagnetic
None of these
Paramagnetic

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Materials and Construction
Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of

Vanadium
Tungsten
Silicon
All of these

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Materials and Construction
The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.

Nickel alloys for high
Both A & B
Aluminium for all
Brass for low

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