Concrete Technology and Design of Concrete Structures The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.57 fy 0.37 fy 0.67 fy 0.87 fy 0.57 fy 0.37 fy 0.67 fy 0.87 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 10% of average ± 15% of average ±20% of average ±5% of average ± 10% of average ± 15% of average ±20% of average ±5% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, use of pozzuolanic cement reduces workability increases shrinkage increases strength increases bleeding reduces workability increases shrinkage increases strength increases bleeding ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the storey height is equal to length of RCC wall, the percentage increase in strength is 10 20 30 10 20 30 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is less than 1 between 1.5 and 2.0 between 1 and 1.5 greater than 2 less than 1 between 1.5 and 2.0 between 1 and 1.5 greater than 2 ANSWER DOWNLOAD EXAMIANS APP