Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are 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% Lime 22% ; silica 63% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Higher pitch of the roofi) results in stronger roofii) results in weaker roofiii) requires more covering materialiv) requires less covering materialThe correct answer is (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slenderness ratio for masonry walls should not be more than 30 40 10 20 30 40 10 20 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of cement which is responsible for initial setting of cement is dicalcium silicate All of these tricalcium aluminate tricalcium silicate dicalcium silicate All of these tricalcium aluminate tricalcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 70 to 80 % 50 to 60 % 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron Is obtained by purifying pig iron Is manufactured in required shapes All listed here May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron Is manufactured in required shapes All listed here May contain 2 to 5 per cent of carbon with other impurities ANSWER DOWNLOAD EXAMIANS APP
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