Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica All listed here About 20% to 30% of alumina Not more than 5% of lime About 50% to 60% of silica All listed here About 20% to 30% of alumina Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials The standard size of masonry bricks, is 20 cm x 10 cm x 10 cm 21 cm x 11 cm x 11 cm 18 cm x 8 cm x 8 cm 19 cm x 9 cm x 9 cm 20 cm x 10 cm x 10 cm 21 cm x 11 cm x 11 cm 18 cm x 8 cm x 8 cm 19 cm x 9 cm x 9 cm ANSWER DOWNLOAD EXAMIANS APP
Building Materials Geologically, marble is known as Sedimentary rock Metamorphic rock Stratified rock Igneous rock Sedimentary rock Metamorphic rock Stratified rock Igneous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials A well seasoned timber may contain moisture up to 4 to 6 % 6 to 8 % 10 to 12 % 8 to 10 % 4 to 6 % 6 to 8 % 10 to 12 % 8 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Due to attack of dry rot, the timber Reduces to powder Cracks Shrinks None of these Reduces to powder Cracks Shrinks None of these ANSWER DOWNLOAD EXAMIANS APP