Building Materials Asbestos Is a natural fibrous mineral substance Contains iron oxide and alumina All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance Contains iron oxide and alumina All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos cement Warps due to changes in humidity All of these Strength is lowered when saturated by water Is brittle Warps due to changes in humidity All of these Strength is lowered when saturated by water Is brittle ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The standard size of masonry bricks, is 19 cm x 9 cm x 9 cm 20 cm x 10 cm x 10 cm 21 cm x 11 cm x 11 cm 18 cm x 8 cm x 8 cm 19 cm x 9 cm x 9 cm 20 cm x 10 cm x 10 cm 21 cm x 11 cm x 11 cm 18 cm x 8 cm x 8 cm ANSWER DOWNLOAD EXAMIANS APP
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