Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Lime 22% ; silica 63% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 63% ; silica 22% ; other ingredients 15% Lime 22% ; silica 63% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 63% ; silica 22% ; other ingredients 15% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime All listed here Reacts with carbon dioxide May be used for white-washing Generates heat when added to water All listed here Reacts with carbon dioxide May be used for white-washing Generates heat when added to water ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 30 minutes 600 minutes 60 minutes 10 minutes 30 minutes 600 minutes 60 minutes 10 minutes 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 The thermosetting plastic At 127°C to 177°C permanently set and further application of heat does not soften it All listed here Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature At 127°C to 177°C permanently set and further application of heat does not soften it All listed here Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Building Materials In the method of condensation polymerization, All of these The reaction proceeds with an evolution of ammonia Low-molecular substances are removed from the high molecular substance The reaction proceeds with an evolution of hydrogen chloride All of these The reaction proceeds with an evolution of ammonia Low-molecular substances are removed from the high molecular substance The reaction proceeds with an evolution of hydrogen chloride ANSWER DOWNLOAD EXAMIANS APP
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