Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 15% 10 % 5% 20% 15% 10 % 5% 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with increase in water-cement ratio decrease in curing time decrease in size of aggregate increase in fineness of cement increase in water-cement ratio decrease in curing time decrease in size of aggregate increase in fineness of cement ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Capacity of column is decreased Ductility of column reduces Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases Capacity of column is decreased Ductility of column reduces Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases workability strength the effects of temperature variations the unit weight workability strength the effects of temperature variations the unit weight ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams ANSWER DOWNLOAD EXAMIANS APP