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Materials and Construction

Materials and Construction
Presence of 0.3 to 0.5% arsenic in copper increases its

Tenacity & hardness
Malleability
Ductility
Electrical conductivity

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Materials and Construction
Which of the following is not a copper based alloy with nickel?

Constantan
German silver
Inconel
Monel metal

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Materials and Construction
The digester of a Gobar gas plant is a

Stainless steel vessel
Masonry well
Mild steel drum
Cast iron vessel

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Materials and Construction
Evaporator used for concentrating tomato juice is made of

Stainless steel-glass lined
Nickel
Cast iron-rubber lined
Brass

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Materials and Construction
German silver is an alloy of copper, nickel and

Lead
Zinc
Tin
Silver

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Materials and Construction
The process of coating steel sheets by zinc to improve its corrosion resistance is called

Tempering
Calorising
Galvanising
Zincification

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MORE MCQ ON Materials and Construction

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