RCC Structures Design The breadth of a ribbed slab containing two bars must be between 10 cm to 12 cm 12 cm to 15 cm 8 cm to 10 cm 6 cm to 7.5 cm 10 cm to 12 cm 12 cm to 15 cm 8 cm to 10 cm 6 cm to 7.5 cm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the modular ratio is ‘m’, steel ratio is ‘r’ and overall depth of a beam is ‘d’, the depth of the critical neutral axis of the beam, is [(m + r)/m] d [m/(m - r)] d [(r - m)/m] d [m/(m + r)] d [(m + r)/m] d [m/(m - r)] d [(r - m)/m] d [m/(m + r)] d ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is WL/3P WL/2P WL/4P WL/P WL/3P WL/2P WL/4P WL/P ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A pre-stressed concrete member Possesses internal stresses Is made of reinforced concrete Is stressed after casting Is made of concrete Possesses internal stresses Is made of reinforced concrete Is stressed after casting Is made of concrete ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A pre-stressed concrete member is preferred because All listed here Large size of long beams carrying large shear force need not be adopted Removal of cracks in the members due to shrinkage Its dimensions are not decided from the diagonal tensile stress All listed here Large size of long beams carrying large shear force need not be adopted Removal of cracks in the members due to shrinkage Its dimensions are not decided from the diagonal tensile stress ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm² and 250 kg/cm² respectively. If m = 15, the depth of its neutral axis is 20 cm 30 cm 25 cm 35 cm 20 cm 30 cm 25 cm 35 cm ANSWER DOWNLOAD EXAMIANS APP