Building Materials A good brick earth should contain: 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 Not more than 5% of lime All listed here About 50% to 60% of silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials Oil varnish generally consists of Synthetic resin and spirit Resin, oil and turpentine Oil, wax and resin Spirit, oil and wax Synthetic resin and spirit Resin, oil and turpentine Oil, wax and resin Spirit, oil and wax ANSWER DOWNLOAD EXAMIANS APP
Building Materials Basalt is Metamorphic rock Extrusive igneous rock Sedimentary rock Intrusive igneous rock Metamorphic rock Extrusive igneous rock Sedimentary rock Intrusive igneous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos is All of these An incombustible fire proof material An organic substance Corrugated sheet used for roofing All of these An incombustible fire proof material An organic substance Corrugated sheet used for roofing ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as Steel Wrought iron All of these Cast iron Steel Wrought iron All of these Cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is(i) Slow in setting(ii) Rapid in slacking(iii) Good in strength Only (i) Only (ii) Both (ii) and (iii) Both (i) and (ii) Only (i) Only (ii) Both (ii) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP