Building Materials Slacking of lime is affected by None of these Immersing the lime in water Keeping it exposed to air Crushing the lime lumps None of these Immersing the lime in water Keeping it exposed to air Crushing the lime lumps ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic bitumen is generally used for Road pavements Expansion joints None to these Crack fillings Road pavements Expansion joints None to these Crack fillings ANSWER DOWNLOAD EXAMIANS APP
Building Materials Iron ore may contain Carbon Phosphorus and manganese All listed here Silicon Carbon Phosphorus and manganese All listed here Silicon ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stones used for ornamental work must be Soft Hard Heavy Light Soft Hard Heavy Light ANSWER DOWNLOAD EXAMIANS APP
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