Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stressThe 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
Concrete Technology and Design of Concrete Structures In counterfort retaining walls, the main reinforcement in the stem at support is Provided both on inner and front faces Provided only on inner face Not provided Provided only on front face Provided both on inner and front faces Provided only on inner face Not provided Provided only on front face ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 0.5 0.33 1 0.75 0.5 0.33 1 0.75 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 25 mm 15 mm 50mm 20 mm 25 mm 15 mm 50mm 20 mm 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 increasing the depth of beam using thinner bars but more in number using thicker bars but less in number providing vertical stirrups increasing the depth of beam using thinner bars but more in number using thicker bars but less in number providing vertical stirrups ANSWER DOWNLOAD EXAMIANS APP
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