Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Grey cast iron Mottled cast iron White cast iron Toughed cast iron Grey cast iron Mottled cast iron White cast iron Toughed cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for the manufacture of steel by Bessemer process, is Mottled pig Grey pig Bessemer pig White forge pig Mottled pig Grey pig Bessemer pig White forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos is Corrugated sheet used for roofing 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 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite Both (ii) and (iii) Only (iii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) Only (iii) All (i), (ii) and (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of fly-ash, is All of these Silica Ferrous oxide Aluminium oxide All of these Silica Ferrous oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following has more fire resisting characteristics? Granite Compact sand stone Marble Lime stone Granite Compact sand stone Marble Lime stone ANSWER DOWNLOAD EXAMIANS APP