Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are 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% Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Glazing of clay products, is done To protect them from atmospheric effect All listed here To protect them from corrosive action To improve their appearance To protect them from atmospheric effect All listed here To protect them from corrosive action To improve their appearance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime (or caustic lime) Is obtained by the calcination of pure lime stone Has great affinity to moisture Is amorphous All of these Is obtained by the calcination of pure lime stone Has great affinity to moisture Is amorphous All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials With increase in moisture content, the bulking of sand First increases to a certain maximum value and then decreases Decreases Increases First decreases to a certain minimum value and then increases First increases to a certain maximum value and then decreases Decreases Increases First decreases to a certain minimum value and then increases ANSWER DOWNLOAD EXAMIANS APP
Building Materials Brittleness of cold is due to an excess of Silicon Phosphorus Sulphur Carbon Silicon Phosphorus Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 15 % 25 % 20 % 10 % 15 % 25 % 20 % 10 % ANSWER DOWNLOAD EXAMIANS APP
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