Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Crucible process Bessemer process Cementation process Open hearth process Crucible process Bessemer process Cementation process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polyvinylchloride Polystyrene All of these Polypropylene Polyvinylchloride Polystyrene All of these Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asphalt is obtained from Bitumen distillation None of these Petroleum distillation Plastic distillation Bitumen distillation None of these Petroleum distillation Plastic distillation ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials Specific gravity for most of the building stones lies between 2.5 to 3.0 1.5 to 2.0 3.0 to 3.5 2.0 to 2.5 2.5 to 3.0 1.5 to 2.0 3.0 to 3.5 2.0 to 2.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct characteristic of Pyroxene from the following: It forms octagonal crystals It converts to chlorine by hydration All listed here It forms octagonal crystals It converts to chlorine by hydration All listed here ANSWER DOWNLOAD EXAMIANS APP