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 All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Examine the following statements :i) Factor of safety for steel should be based on its yield stress,ii) Factor of safety for steel should be based on its ultimate stress,iii) Factor of safety for concrete should be based on its yield stress,iv) Factor of safety for concrete should be based on its ultimate stress.The correct statements are (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The diameter of ties in a column should be More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to 5 mm More than or equal to one fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to 5 mm More than or equal to one fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar 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) wR / 4d 2wR/d wR/d wR/2d wR / 4d 2wR/d wR/d wR/2d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is decreased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression decreased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
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