Building Materials When a brick is immersed in water for 24 hours and then dried, if 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used base for timber painting, is Red lead White lead Zinc white Titanium white Red lead White lead Zinc white Titanium white ANSWER DOWNLOAD EXAMIANS APP
Building Materials Spalling hammer is used for Rough dressing of stones Breaking small projection of stones Driving wooden headed chisels Carving of stones Rough dressing of stones Breaking small projection of stones Driving wooden headed chisels Carving of stones 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 Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process Crucible process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos is An incombustible fire proof material Corrugated sheet used for roofing All of these An organic substance An incombustible fire proof material Corrugated sheet used for roofing All of these An organic substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a good building stone should be more than 150 MPa 200 MPa 50 MPa 100 MPa 150 MPa 200 MPa 50 MPa 100 MPa ANSWER DOWNLOAD EXAMIANS APP
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