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Materials and Construction

Materials and Construction
The largest consumption of zinc for alloys is in the making of

Die casting alloys
Brazing solder
Bearing metal
Brasses

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Materials and Construction
Silicone rubber is not resistant to the corrosive action of

Both B and C
Sulphuric acid (10%)
Ether
Sulphuric acid (95%)

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

Vanadium
Silicon
All of these
Tungsten

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Materials and Construction
Very high sulphur in pig iron makes

Its hard and machinable
All of these
Its casting unsound
Its brittle and malleable

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Materials and Construction
Nickel (56%) and molybdenum (17%) alloys are called

Bronzes
Monel
Inconel
Hastealloy C

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Materials and Construction
Chromel (Nichrome) is an alloy of

Chromium and molybdenum
Molybdenum and nickel
Nickel and chromium
Chromium and aluminium

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MORE MCQ ON Materials and Construction

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