Building Materials Asbestos Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Contains iron oxide and alumina Is a natural fibrous mineral substance All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Contains iron oxide and alumina Is a natural fibrous mineral substance All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The softest rock is Diamond Marble Quartz Talc Diamond Marble Quartz Talc ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following gradients exerts maximum influence on properties of steel? sulphur carbon manganese iron sulphur carbon manganese iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Minimum thickness of wall where single Flemish bond can be used is Half brick thick Two bricks thick One brick thick One and a half bricks thick Half brick thick Two bricks thick One brick thick One and a half bricks thick 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 (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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