Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are 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% Silica 70% ; lime 20% ; other ingredients 10% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime concrete is generally used for Wall foundations Flooring at ground level Neither (A) nor (B) Both (A) and (B) Wall foundations Flooring at ground level Neither (A) nor (B) Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Soundness of cement is tested by Vicat's apparatus Le-chatelier apparatus Compressive strength testing apparatus None of these Vicat's apparatus Le-chatelier apparatus Compressive strength testing apparatus None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Strength of cement concrete primarily depends upon Quantity of cement Water-cement ratio Quantity of aggregate Quality of water Quantity of cement Water-cement ratio Quantity of aggregate Quality of water ANSWER DOWNLOAD EXAMIANS APP
Building Materials The harmonious mixing of the clay ingredients, is known as Blending Weathering Tempering None of these Blending Weathering Tempering None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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