Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 42 MPa and 53 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 35 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on i) bottom face near counterfort ii) top face near counterfort iii) bottom face near centre of span iv) top face near centre of span The correct answer is only (ii) both (i) and (iv) only (i) both (ii) and (iii) only (ii) both (i) and (iv) only (i) both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the storey height is equal to length of RCC wall, the percentage increase in strength is 20 10 30 20 10 30 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is 0.68 d 0.43 d 0.85 d 0.55 d 0.68 d 0.43 d 0.85 d 0.55 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome) wR/d wR/2d wR / 4d 2wR/d wR/d wR/2d wR / 4d 2wR/d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The fineness modulus of fine aggregate is in the range of 6.0 to 8.5 3.5 to 5.0 5.0 to 7.0 2.0 to 3.5 6.0 to 8.5 3.5 to 5.0 5.0 to 7.0 2.0 to 3.5 ANSWER DOWNLOAD EXAMIANS APP