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 53 MPa and 42 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 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 / 4d wR/2d 2wR/d wR/d wR / 4d wR/2d 2wR/d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Minimum pitch of transverse reinforcement in a column is sixteen times the smallest diameter of longitudinal reinforcement bar to be tied lesser of the above three values forty-eight times the diameter of transverse reinforcement the least lateral dimension of the member sixteen times the smallest diameter of longitudinal reinforcement bar to be tied lesser of the above three values forty-eight times the diameter of transverse reinforcement the least lateral dimension of the member ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Examine the following statements :i) Factor of safety for steel should be based on its yield stress,ii) Factor of safety for steel should be based on its ultimate stress,iii) Factor of safety for concrete should be based on its yield stress,iv) Factor of safety for concrete should be based on its ultimate stress.The correct statements are (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 Increase in the moisture content in concrete increases the strength reduces the strength All of these does not change the strength increases the strength reduces the strength All of these does not change the strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Magnel-Blaton system Lee-Macall system Freyssinet system Long line method Magnel-Blaton system Lee-Macall system Freyssinet system Long line method ANSWER DOWNLOAD EXAMIANS APP