Building Materials Good quality stones must Be free from clay All of these Be durable Resist action of acids Be free from clay All of these Be durable Resist action of acids ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if 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 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 A good building stone should not absorb water more than 10 % 15 % 20 % 5 % 10 % 15 % 20 % 5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist Dampness High temperature All listed here Chemical action Dampness High temperature All listed here Chemical action ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct statement regarding low heat cement from the following: Its final setting time is about 10 hours Its initial setting time is about one hour It possesses less compressive strength All listed here Its final setting time is about 10 hours Its initial setting time is about one hour It possesses less compressive strength All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % ANSWER DOWNLOAD EXAMIANS APP
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