Building Materials Asbestos Is a natural fibrous mineral substance Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Is a natural fibrous mineral substance Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the synthetic resin from the following: Phenolic resin All of these Resorcinol resin Urea resin Phenolic resin All of these Resorcinol resin Urea resin ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stretcher bond in brick masonry can be used only when the thickness of wall is 280 mm 190 mm 180 mm 90 mm 280 mm 190 mm 180 mm 90 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept A little large to specified size 10% larger than specified size A little small to specified size Equal to specified size A little large to specified size 10% larger than specified size A little small to specified size Equal to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: Iron-oxide Alumina Lime Magnesia Iron-oxide Alumina Lime Magnesia ANSWER DOWNLOAD EXAMIANS APP