Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases strength workability the unit weight the effects of temperature variations strength workability the unit weight the effects of temperature variations ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To resist tensile stresses All of these To provide adequate bond stress To impart initial compressive stress in concrete To resist tensile stresses All of these To provide adequate bond stress To impart initial compressive stress in concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The load factors for live load and dead load are taken respectively as 2.2 and 1.5 1.5 and 2.2 2.2 and 2.2 1.5 and 1.5 2.2 and 1.5 1.5 and 2.2 2.2 and 2.2 1.5 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS: 456-1978, the maximum reinforcement in a column is 2 % 8 % 4% 6 % 2 % 8 % 4% 6 % ANSWER DOWNLOAD EXAMIANS APP
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 For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory can be more than 1 can be less than 1 is always less than 1 is always greater than 1 can be more than 1 can be less than 1 is always less than 1 is always greater than 1 ANSWER DOWNLOAD EXAMIANS APP