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Materials and Construction

Materials and Construction
Silicon percentage in acid resistant cast iron is about

20
14
4
8

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Materials and Construction
Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with

Fireclay bricks
Lead or glass
Karbate
PVC

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Materials and Construction
Which of the following metals in not used for coating of the base metal to guard it against corrosion?

Cadmium
Lead
Aluminium
Magnesium

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Materials and Construction
Cast iron detachable joint is used in __________ pipes.

Asbestos cement
Steel
Cast iron
Reinforced cement concrete

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Materials and Construction
A material is called 'ductile', if it can be

Fractured without deformation
Hammered to a thin sheet
Drawn into wires
Made lustrous by heating it

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

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

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