Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in size of aggregate increase in water-cement ratio decrease in curing time increase in fineness of cement decrease in size of aggregate increase in water-cement ratio decrease in curing time increase in fineness of cement ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 0.03 3.0E-5 0.003 0.0003 0.03 3.0E-5 0.003 0.0003 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) 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 is always greater than 1 can be more than 1 is always less than 1 can be less than 1 is always greater than 1 can be more than 1 is always less than 1 can be less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is 6 m 4 m 5 m 3.5 m 6 m 4 m 5 m 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than 2.5 4.5 3.5 5.5 2.5 4.5 3.5 5.5 ANSWER DOWNLOAD EXAMIANS APP