Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is All of these To provide adequate bond stress To resist tensile stresses To impart initial compressive stress in concrete All of these To provide adequate bond stress To resist tensile stresses To impart initial compressive stress in concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases strength the unit weight workability the effects of temperature variations strength the unit weight workability the effects of temperature variations 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 All (i), (ii) and (iii) (ii) and (iii) (i) and (ii) only (iii) All (i), (ii) and (iii) (ii) and (iii) (i) and (ii) only (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In counterfort retaining walls, the main reinforcement in the stem at support is Provided only on front face Not provided Provided both on inner and front faces Provided only on inner face Provided only on front face Not provided Provided both on inner and front faces Provided only on inner face ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Finer grinding of cement affects only the early development of strength both (a) and (b) affects only the ultimate strength does not affect the strength affects only the early development of strength both (a) and (b) affects only the ultimate strength does not affect the strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete increases with richer mixes remains constant None of these decreases with richer mixes increases with richer mixes remains constant None of these decreases with richer mixes ANSWER DOWNLOAD EXAMIANS APP