Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 20% 5% 15% 10 % 20% 5% 15% 10 % ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following has high tensile strength ? heat treated rolled wires all have same tensile strength cold drawn wires plain hot rolled wires heat treated rolled wires all have same tensile strength cold drawn wires plain hot rolled wires ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time 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 The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.87 fy 0.67 fy 0.37 fy 0.57 fy 0.87 fy 0.67 fy 0.37 fy 0.57 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Modulus of elasticity of steel as per IS : 456-1978 shall be taken as 200 kN/cm² 20 kN/cm² 200kN/mm² 2xl06N/cm² 200 kN/cm² 20 kN/cm² 200kN/mm² 2xl06N/cm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Minimum pitch of transverse reinforcement in a column is lesser of the above three values forty-eight times the diameter of transverse reinforcement sixteen times the smallest diameter of longitudinal reinforcement bar to be tied the least lateral dimension of the member lesser of the above three values forty-eight times the diameter of transverse reinforcement sixteen times the smallest diameter of longitudinal reinforcement bar to be tied the least lateral dimension of the member ANSWER DOWNLOAD EXAMIANS APP