Building Materials Percentage of silica in a good brick earth lies between 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 25 % 15 % 22 % 20 % 25 % 15 % 22 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used retarder in cement is Gypsum Calcium carbonate None of these Calcium chloride Gypsum Calcium carbonate None of these Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stucco paints are suitable for Both (A) and (B) Brick walls Neither (A) nor (B) Stone masonry Both (A) and (B) Brick walls Neither (A) nor (B) Stone masonry ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stretcher bond in brick masonry can be used only when the thickness of wall is 90 mm 180 mm 190 mm 280 mm 90 mm 180 mm 190 mm 280 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as Burls Rindgalls None of these Knots Burls Rindgalls None of these Knots ANSWER DOWNLOAD EXAMIANS APP