Concrete Technology and Design of Concrete Structures In prestressed concrete both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compression change but lever arm remains unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compression change but lever arm remains unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The diameter of ties in a column should be More than or equal to 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 5 mm but less than one-fourth of diameter of main bar More than or equal to 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 5 mm but less than one-fourth of diameter of main bar ANSWER DOWNLOAD EXAMIANS APP
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 0.45 d dependent on grade of concrete also 0.35 d 0.40 d 0.45 d dependent on grade of concrete also 0.35 d 0.40 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called accelerators retarders air entraining agents workability admixtures accelerators retarders air entraining agents workability admixtures ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 15 to 20% more 20 to 25% more 10 to 15% more 25 to 50% more 15 to 20% more 20 to 25% more 10 to 15% more 25 to 50% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be 0.3% 0.6% 0.4% 0.5% 0.3% 0.6% 0.4% 0.5% ANSWER DOWNLOAD EXAMIANS APP
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