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 No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lacquer is Distemper Spirit varnish None to these Oil paint Distemper Spirit varnish None to these Oil paint ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon upto 2.0 % 1.0 % 0.25 % 1.5 % 2.0 % 1.0 % 0.25 % 1.5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bulking of sand is caused due to Surface moisture Clay contents Air voids Viscosity Surface moisture Clay contents Air voids Viscosity 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 sulphur Iron ore, coal and sulphur Iron ore, carbon and lime stone Iron ore, coal and lime stone Iron ore, carbon and sulphur Iron ore, coal and sulphur Iron ore, carbon and lime stone Iron ore, coal and lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Laterite is a/an Calcareous rock Volcanic rock Siliceous rock Argillaceous rock Calcareous rock Volcanic rock Siliceous rock Argillaceous rock ANSWER DOWNLOAD EXAMIANS APP
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