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Building Materials

Building Materials
Paints with white lead base are suitable for painting of

Iron work
Wood work
Both wood work and iron work
None of these

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Building Materials
Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as

Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig

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Building Materials
Forge pig may be converted to wrought iron by

Refining
Shingling
Pudding
Rolling

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Building Materials
Pick up the polymineralic rock from the following:

Granite
Pure gypsum
Quartz sand
Magnesite

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Building Materials
The minimum compressive strength of 1st class bricks should be

100 kg/cm²
75 kg/cm²
75 kg/cm²
120 kg/cm²

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Building Materials
Plaster of Paris is obtained by calcining

Bauxite
Lime stone
None of these
Gypsum

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