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 53 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to xv xc Tv + Tc xv xc Tv + Tc ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If a beam fails in bond, then its bond strength can be increased most economi-cally by providing vertical stirrups using thinner bars but more in number increasing the depth of beam using thicker bars but less in number providing vertical stirrups using thinner bars but more in number increasing the depth of beam using thicker bars but less in number ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 25 to 50% more 10 to 15% more 15 to 20% more 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more 20 to 25% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of creep on modular ratio is to decrease it to keep it unchanged to increase it either to decrease or to increase it to decrease it to keep it unchanged to increase it either to decrease or to increase it ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shearThe correct answer is (i) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) (i) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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