Building Materials Questions

• For filling cracks in masonry structures, the type of bitumen used, is
• Sand stone is
• In the cement the compound quickest to react with water, is
• Lacquer paints
• The commonly used colour pigment in paints, is
• For preparing porcelains, the clay should be
• The rocks formed by gradual deposition, are called
• Galvanising means covering iron with a thin coat of
• Gniess is obtained from
• Good quality stones must
• Minimum required water cement ratio for a workable concrete, is
• The compound of Portland cement which contributes to the strength after two to three years is
• Seasoning is
• Refractory bricks are used for
• The most fire resistant paints are :
• A pug mill is used for
• A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
• For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
• Black marble is generally found in the district of
• The portion of the brick without a triangular corner equal to half the width and half the length, is called