Building Materials Asbestos Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Contains iron oxide and alumina Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Contains iron oxide and alumina Is a natural fibrous mineral substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as Open hearth process Cementation process Crucible process Bessemer process Open hearth process Cementation process Crucible process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used base for iron and steel work, is Zinc white Red lead Titanium white White lead Zinc white Red lead Titanium white White lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials Generally wooden moulds are made from Shishum wood Teak wood Ply wood Deodar wood Shishum wood Teak wood Ply wood Deodar wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials French polish is Spirit varnish None to these Oil paint Distemper Spirit varnish None to these Oil paint Distemper ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used lime in white washing, is Hydraulic lime Fat lime Quick lime White lime Hydraulic lime Fat lime Quick lime White lime ANSWER DOWNLOAD EXAMIANS APP