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) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 30, 70 25, 75 All of these 35, 65 30, 70 25, 75 All of these 35, 65 ANSWER DOWNLOAD EXAMIANS APP
Building Materials If āPā is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is 0.70 P 0.75 P 0.85 P 0.80 P 0.70 P 0.75 P 0.85 P 0.80 P ANSWER DOWNLOAD EXAMIANS APP
Building Materials Kaolin is chemically classified as Argillaceous rock Calcareous rock Metamorphic rock Siliceous rock Argillaceous rock Calcareous rock Metamorphic rock Siliceous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is Carbon black All listed here Iron oxide Ambers Carbon black All listed here Iron oxide Ambers ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement attains early strength due to Lesser proportion of lime grounded coarser than normal cement Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Excess percentage of gypsum Lesser proportion of lime grounded coarser than normal cement Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Excess percentage of gypsum ANSWER DOWNLOAD EXAMIANS APP
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