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 Crucible process Cementation process Bessemer process Open hearth process Crucible process Cementation process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite All (i), (ii) and (iii) Only (iii) Both (i) and (iii) Both (ii) and (iii) All (i), (ii) and (iii) Only (iii) Both (i) and (iii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Jumper is a tool used for Testing of stones None of these Quarrying of stones Dressing of stones Testing of stones None of these Quarrying of stones Dressing of stones ANSWER DOWNLOAD EXAMIANS APP
Building Materials In the method of condensation polymerization, Low-molecular substances are removed from the high molecular substance All of these The reaction proceeds with an evolution of ammonia The reaction proceeds with an evolution of hydrogen chloride Low-molecular substances are removed from the high molecular substance All of these The reaction proceeds with an evolution of ammonia The reaction proceeds with an evolution of hydrogen chloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bituminous fells are used for Covering A.C. sheets Covering sloping roofs P.C. None to these Covering A.C. sheets Covering sloping roofs P.C. None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most important constituent of varnish, is Resin Drier Solvent All listed here Resin Drier Solvent All listed here ANSWER DOWNLOAD EXAMIANS APP