Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 15% of average ± 10% of average ±20% of average ±5% of average ± 15% of average ± 10% of average ±20% of average ±5% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Stress strain curve of high tensile steel has a definite yield point does not show definite yield point but yield point is defined by 0.2% proof stress does not show definite yield point but yield point is defined by 2% proof stress, does not show definite yield point but yield point is defined by 0.1% proof stress has a definite yield point does not show definite yield point but yield point is defined by 0.2% proof stress does not show definite yield point but yield point is defined by 2% proof stress, does not show definite yield point but yield point is defined by 0.1% proof stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory can be more than 1 is always less than 1 is always greater than 1 can be less than 1 can be more than 1 is always less than 1 is always greater than 1 can be less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beami) reduces the negative moment at supportii) increases the negative moment at supportiii) reduces the positive moment at center of spaniv) increases the positive moment at center of span The correct answer is (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has higher initial and final setting times lower initial setting time but higher final setting time lower initial and final setting times higher initial setting time but lower final setting time higher initial and final setting times lower initial setting time but higher final setting time lower initial and final setting times higher initial setting time but lower final setting time ANSWER DOWNLOAD EXAMIANS APP