Building Materials Wrought iron contains carbon upto 0.25 % 1.5 % 2.0 % 1.0 % 0.25 % 1.5 % 2.0 % 1.0 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following sedimentary rocks changes into quartzite by metamorphic action? Lime stone Sand stone Shale Gypsum Lime stone Sand stone Shale Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials Non acid-resistant asbestos is: None of these Amosite asbestos Tremolite asbestos Chrysotile asbestos None of these Amosite asbestos Tremolite asbestos Chrysotile asbestos ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen completely dissolves in Coal tar Carbon bisulphide Chloroform All of these Coal tar Carbon bisulphide Chloroform All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are 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% Lime 22% ; silica 63% ; other ingredients 15% ANSWER DOWNLOAD EXAMIANS APP
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