Building Materials A good brick earth should contain: About 20% to 30% of alumina All listed here Not more than 5% of lime About 50% to 60% of silica About 20% to 30% of alumina All listed here Not more than 5% of lime About 50% to 60% of silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials Second class bricks Produce a metallic sound when struck Are under burnt Are well burnt Are of dark brown color Produce a metallic sound when struck Are under burnt Are well burnt Are of dark brown color ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following stone is best suited for construction of piers and abutments of a railway bridge? Granite Quartzite Sand stone Lime stone Granite Quartzite Sand stone Lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite Both (i) and (iii) Only (iii) Both (ii) and (iii) All (i), (ii) and (iii) Both (i) and (iii) Only (iii) Both (ii) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is Equal to 1 Less than 1 Greater than 1 Less than 1 in beams but greater than 1 in channels Equal to 1 Less than 1 Greater than 1 Less than 1 in beams but greater than 1 in channels ANSWER DOWNLOAD EXAMIANS APP
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