Building Materials A good brick earth should contain: All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature All listed here Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature All listed here Chars at 343°C ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime mortar is generally made with Fat lime Quick lime Plain lime Hydraulic lime Fat lime Quick lime Plain lime Hydraulic lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rock Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen may be dissolved in Water Sodium chloride Carbondioxide Carbon disulphide Water Sodium chloride Carbondioxide Carbon disulphide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastics are compounds of carbon with element All of these Hydrogen Oxygen Nitrogen All of these Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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