Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be dependent on grade of concrete also 0.45 d 0.40 d 0.35 d dependent on grade of concrete also 0.45 d 0.40 d 0.35 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The load carrying capacity of a helically reinforced column as compared to that of a tied column is about 5% more 10% more 10% less 5% less 5% more 10% more 10% less 5% less ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is increased by 25% for bars in compression increased by 10% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes None of these increases with richer mixes remains constant decreases with richer mixes None of these increases with richer mixes remains constant ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 60% 50% 40% 70% 60% 50% 40% 70% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The load factors for live load and dead load are taken respectively as 2.2 and 1.5 1.5 and 1.5 2.2 and 2.2 1.5 and 2.2 2.2 and 1.5 1.5 and 1.5 2.2 and 2.2 1.5 and 2.2 ANSWER DOWNLOAD EXAMIANS APP