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 (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stones obtained by blasting are used as Aggregates for concrete All listed here Ballast in railways Road metal Aggregates for concrete All listed here Ballast in railways Road metal ANSWER DOWNLOAD EXAMIANS APP
Building Materials Number of bricks required for one cubic metre of brick masonry is 300 200 500 400 300 200 500 400 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Kaolin is chemically classified as Calcareous rock Metamorphic rock Argillaceous rock Siliceous rock Calcareous rock Metamorphic rock Argillaceous rock Siliceous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CaSO4 and H₂O CO₂ and calcium H₂S and CO₂ Lime and H₂O CaSO4 and H₂O CO₂ and calcium H₂S and CO₂ Lime and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is Less than 1 in beams but greater than 1 in channels Less than 1 Greater than 1 Equal to 1 Less than 1 in beams but greater than 1 in channels Less than 1 Greater than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS