Building Materials Asbestos Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance All of these Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance All of these Contains iron oxide and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Addition of pozzolana to ordinary Portland cement increases Bleeding Shrinkage Heat of hydration Permeability Bleeding Shrinkage Heat of hydration Permeability ANSWER DOWNLOAD EXAMIANS APP
Building Materials Based on its dry weight, a freshly felled tree may contain water 50 % 25 % 75 % 100 % 50 % 25 % 75 % 100 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials For high grade instruments the steel preferred to, is Bessemer steel Mild steel Whitworth compressed steel Cast steel Bessemer steel Mild steel Whitworth compressed steel Cast steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slenderness ratio for masonry walls should not be more than 40 10 20 30 40 10 20 30 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Due to attack of dry rot, the timber None of these Reduces to powder Shrinks Cracks None of these Reduces to powder Shrinks Cracks ANSWER DOWNLOAD EXAMIANS APP
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