Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? loss due to friction shrinkage of concrete elastic shortening of concrete creep of concrete loss due to friction shrinkage of concrete elastic shortening of concrete creep of concrete 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) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For the design of retaining walls, the minimum factor of safety against overturning is taken as 2 3 1.5 2.5 2 3 1.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.40 d 0.35 d 0.45 d dependent on grade of concrete also 0.40 d 0.35 d 0.45 d dependent on grade of concrete also ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Increase in the moisture content in concrete does not change the strength All of these increases the strength reduces the strength does not change the strength All of these increases the strength reduces the strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following has high tensile strength ? plain hot rolled wires 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 ANSWER DOWNLOAD EXAMIANS APP