Building Materials A good brick earth should contain: 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 About 50% to 60% of silica 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) All (i), (ii) and (iii) Both (ii) and (iii) Both (i) and (iii) Only (iii) All (i), (ii) and (iii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials In order of increasing percentage of silica, the correct sequence is Sandy clay, calcareous clay, pure clay None of these Calcareous clay, pure clay, sandy clay Pure clay, sandy clay, calcareous clay Sandy clay, calcareous clay, pure clay None of these Calcareous clay, pure clay, sandy clay Pure clay, sandy clay, calcareous clay ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent which imparts hydraulicity to hydraulic lime is Calcium oxide Silica Clay Water Calcium oxide Silica Clay Water ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is essential to remove Sap from timber Roughness of timber Twisted fibre from timber Knots from timber Sap from timber Roughness of timber Twisted fibre from timber Knots from timber ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements is suitable for use in massive concrete structures such as large dams? Sulphate resisting cement Ordinary Portland cement Low heat cement Rapid hardening cement Sulphate resisting cement Ordinary Portland cement Low heat cement Rapid hardening cement ANSWER DOWNLOAD EXAMIANS APP
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