Building Materials A ferrous metal is Cast iron Wrought iron Steel All of these Cast iron Wrought iron Steel All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Crucible process Cementation process Bessemer process Open hearth process Crucible process Cementation process Bessemer process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The filler used in plastic bitumen, is Talc powder Plastic powder Shale powder Asbestos powder Talc powder Plastic powder Shale powder Asbestos powder ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and lime stone Iron ore, coal and sulphur Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, carbon and lime stone Iron ore, coal and sulphur Iron ore, carbon and sulphur Iron ore, coal and lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting of cement is caused due to 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 Good quality stones must Be durable All of these Be free from clay Resist action of acids Be durable All of these Be free from clay Resist action of acids ANSWER DOWNLOAD EXAMIANS APP