Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Open hearth process Cementation process Crucible process Bessemer process Open hearth process Cementation process Crucible process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following is used for preparing porcelain? Feldspar Quartz All of these Clay Feldspar Quartz All of these Clay ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is essential to remove Twisted fibre from timber Knots from timber Roughness of timber Sap from timber Twisted fibre from timber Knots from timber Roughness of timber Sap from timber ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic All listed here At 127°C to 177°C permanently set and further application of heat does not soften it Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature All listed here At 127°C to 177°C permanently set and further application of heat does not soften it Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Tri-calcium silicate Tri-calcium aluminate Tetra-calcium alumino-ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra-calcium alumino-ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about 1.5% to 5.5% 0.5% to 1.75% None to these 0.1% to 0.25% 1.5% to 5.5% 0.5% to 1.75% None to these 0.1% to 0.25% ANSWER DOWNLOAD EXAMIANS APP
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