Building Materials The percentage of alumina in a good brick earth lies between 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following bricks are used for lining of furnaces? Refractory bricks Under-burnt bricks Over-burnt bricks First class bricks Refractory bricks Under-burnt bricks Over-burnt bricks First class bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Snowcrete is one of the patent forms of Enamel paints Water proof cement paints Distempers Cellulose paints Enamel paints Water proof cement paints Distempers Cellulose paints ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 15 % 5 % 10 % 25 % 15 % 5 % 10 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used synthetic abrasive is Silicon All of these Boric acid Aluminium carbide Silicon All of these Boric acid Aluminium carbide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS