Building Materials Bituminous fells are used for None to these Covering sloping roofs Covering A.C. sheets P.C. None to these Covering sloping roofs Covering A.C. sheets P.C. ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: Not more than 5% of lime All listed here About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime All listed here About 50% to 60% of silica About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is All of these 25, 75 35, 65 30, 70 All of these 25, 75 35, 65 30, 70 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The softest rock is Quartz Talc Diamond Marble Quartz Talc Diamond Marble ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist Dampness All listed here Chemical action High temperature Dampness All listed here Chemical action High temperature ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sand stone is Metamorphic rock Sedimentary rock Volcanic rock Igneous rock Metamorphic rock Sedimentary rock Volcanic rock Igneous rock ANSWER DOWNLOAD EXAMIANS APP