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 less than 1 is always greater than 1 can be more than 1 is always less than 1 can be less than 1 is always greater than 1 can be more than 1 is always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following has high tensile strength ? all have same tensile strength plain hot rolled wires heat treated rolled wires cold drawn wires all have same tensile strength plain hot rolled wires heat treated rolled wires cold drawn wires ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Normally prestressing wires are arranged in the upper part of the beam center anywhere lower part of the beam upper part of the beam center anywhere lower part of the beam 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 35 MPa and 42 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in post-tensioned beams None of these only in pretensioned beams in both post-tensioned and preten-sioned beams only in post-tensioned beams None of these only in pretensioned beams in both post-tensioned and preten-sioned beams ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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