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 (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime Generates heat when added to water Reacts with carbon dioxide May be used for white-washing All listed here Generates heat when added to water Reacts with carbon dioxide May be used for white-washing All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements is suitable for use in massive concrete structures such as large dams? Ordinary Portland cement Sulphate resisting cement Rapid hardening cement Low heat cement Ordinary Portland cement Sulphate resisting cement Rapid hardening cement Low heat cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which contributes to the strength after two to three years is Tri-calcium aluminate Tri-calcium silicate Tetra-calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra-calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The type of bond provided in brick masonry for carrying heavy loads is Single Flemish bond English bond Double Flemish bond Zigzag bond Single Flemish bond English bond Double Flemish bond Zigzag bond ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 600 minutes 30 minutes 10 minutes 60 minutes 600 minutes 30 minutes 10 minutes 60 minutes ANSWER DOWNLOAD EXAMIANS APP
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