Building Materials A good brick earth should contain: 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 All listed here About 50% to 60% of silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Geologically, marble is known as Metamorphic rock Stratified rock Igneous rock Sedimentary rock Metamorphic rock Stratified rock Igneous rock Sedimentary rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials The type of roof which slopes in two directions with a break in the slope on each side is known as gambrel roof hip roof gable roof mansard roof gambrel roof hip roof gable roof mansard roof ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stainless steel resists corrosion due to Chromium Sulphur Vanadium Carbon Chromium Sulphur Vanadium Carbon ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP