Building Materials Excess of silica in brick earth results in cracking and warping of bricks None of these enhancing the impermeability of bricks loss of cohesion cracking and warping of bricks None of these enhancing the impermeability of bricks loss of cohesion ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and iron Lime and silica Lime and alumina Silica and alumina Lime and iron Lime and silica Lime and alumina Silica and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Grey or foundry pig Mottled pig Bessemer pig White or forge pig Grey or foundry pig Mottled pig Bessemer pig White or forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of H₂S and CO₂ CaSO4 and H₂O Lime and H₂O CO₂ and calcium H₂S and CO₂ CaSO4 and H₂O Lime and H₂O CO₂ and calcium ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polyvinylchloride All of these Polystyrene Polypropylene Polyvinylchloride All of these Polystyrene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic bitumen is generally used for Expansion joints Road pavements None to these Crack fillings Expansion joints Road pavements None to these Crack fillings ANSWER DOWNLOAD EXAMIANS APP