Building Materials Which of the following metamorphic rocks has the most weather resisting characteristics? Lime stone Marble Quartzite Slate Lime stone Marble Quartzite Slate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Formula for quick lime, is Ca(OH)₂ CaCO₃ CO₃CO₂ None to these Ca(OH)₂ CaCO₃ CO₃CO₂ None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Mastic asphalt is Elastic Water proof All listed here Fire proof Elastic Water proof All listed here Fire proof ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 10 minutes 30 minutes 60 minutes 600 minutes 10 minutes 30 minutes 60 minutes 600 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if 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 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main function of alumina in brick earth is To prevent shrinkage To make the brick durable To make the brick impermeable To impart plasticity To prevent shrinkage To make the brick durable To make the brick impermeable To impart plasticity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS