Building Materials Permanent magnets are made of high carbon steel and 35% of cobalt 45% of cobalt 15% of cobalt 20% of cobalt 35% of cobalt 45% of cobalt 15% of cobalt 20% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept A little small to specified size Equal to specified size A little large to specified size 10% larger than specified size A little small to specified size Equal to specified size A little large to specified size 10% larger than specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done To remove moisture All listed here To remove carbonic acid By roasting in heaps To remove moisture All listed here To remove carbonic acid By roasting in heaps ANSWER DOWNLOAD EXAMIANS APP
Building Materials Spirit varnish generally consists of Oil, wax and resin Pigment and synthetic resin Spirit and shellac Alcohol, wax and turpentine Oil, wax and resin Pigment and synthetic resin Spirit and shellac Alcohol, wax and turpentine ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a (i) Sedimentary rock (ii) Aqueous rock (iii) Siliceous rock All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% ANSWER DOWNLOAD EXAMIANS APP
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