Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome) 2wR/d wR/d wR / 4d wR/2d 2wR/d wR/d wR / 4d wR/2d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than 40 mm 45mm 50 mm 60 mm 40 mm 45mm 50 mm 60 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beami) reduces the negative moment at supportii) increases the negative moment at supportiii) reduces the positive moment at center of spaniv) increases the positive moment at center of span The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Assertion A : The load factor for live load is greater than that for dead load.Reason R : The live loads are more uncertain than dead loads.Select your answer based on the coding system given below : Both A and R are true and R is the correct explanation of A. Both A and R are true but R is not the correct explanation of A. A is false but R is true. A is true but R is false. Both A and R are true and R is the correct explanation of A. Both A and R are true but R is not the correct explanation of A. A is false but R is true. A is true but R is false. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has higher initial setting time but lower final setting time lower initial setting time but higher final setting time lower initial and final setting times higher initial and final setting times higher initial setting time but lower final setting time lower initial setting time but higher final setting time lower initial and final setting times higher initial and final setting times ANSWER DOWNLOAD EXAMIANS APP
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