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) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for manufacture of wrought iron, is Bessemer pig Mottled pig White forge pig Grey or foundry pig Bessemer pig Mottled pig White forge pig Grey or foundry pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick To lose cohesion To crack and warp on drying Brittle and weak Impermeable To lose cohesion To crack and warp on drying Brittle and weak Impermeable ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 5 % 15 % 25 % 10 % 5 % 15 % 25 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials As per IS specifications, the maximum final setting time for ordinary Portland cement should be 10 hours 30 minutes 6 hours 1 hour 10 hours 30 minutes 6 hours 1 hour ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements contains maximum percentage of dicalcium silicate? Rapid hardening cement Sulphate resisting cement Ordinary Portland cement Low heat cement Rapid hardening cement Sulphate resisting cement Ordinary Portland cement Low heat cement ANSWER DOWNLOAD EXAMIANS APP
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