Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 5% 15% 10% 20% 5% 15% 10% 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Capacity of column is decreased but ductility of column increases Both the capacity of column and ductility of column increase Capacity of column is decreased Ductility of column reduces Capacity of column is decreased but ductility of column increases Both the capacity of column and ductility of column increase Capacity of column is decreased Ductility of column reduces ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In reinforced concrete footing on soil, the minimum thickness at edge should not be less than 150 mm 100 mm 250 mm 200 mm 150 mm 100 mm 250 mm 200 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? creep of concrete shrinkage of concrete loss due to friction elastic shortening of concrete creep of concrete shrinkage of concrete loss due to friction elastic shortening of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (i)and(iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (iii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section depends on aCbC only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on both crst and acbc depends on aCbC only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on both crst and acbc ANSWER DOWNLOAD EXAMIANS APP
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