Building Materials Three basic raw materials which are needed in large quantities for production of steel are 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 Iron ore, carbon and lime stone Iron ore, coal and sulphur Iron ore, carbon and sulphur 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 Bessemer process Cementation process Open hearth process Crucible process Bessemer process Cementation process Open hearth process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stucco paints are suitable for Brick walls Neither (A) nor (B) Both (A) and (B) Stone masonry Brick walls Neither (A) nor (B) Both (A) and (B) Stone masonry ANSWER DOWNLOAD EXAMIANS APP
Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Tri-calcium aluminate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate Tri-calcium aluminate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for None to these Decreasing moisture content Increasing moisture content Increasing strength of timber None to these Decreasing moisture content Increasing moisture content Increasing strength of timber ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as All of these Wrought iron Steel Cast iron All of these Wrought iron Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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