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 35 MPa 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 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete remains constant decreases with richer mixes None of these increases with richer mixes remains constant decreases with richer mixes None of these increases with richer mixes 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 0.45 d 0.35 d dependent on grade of concrete also 0.40 d 0.45 d 0.35 d dependent on grade of concrete also ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 0.003 0.03 3.0E-5 0.0003 0.003 0.03 3.0E-5 0.0003 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures While designing the pile as a column, the end conditions are nearly both ends fixed one end fixed and other end hinged one end fixed and other end free both ends hinged both ends fixed one end fixed and other end hinged one end fixed and other end free both ends hinged ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete both forces of tension and compres-sion as well as lever arm change forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm change forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compression change but lever arm remains unchanged ANSWER DOWNLOAD EXAMIANS APP