RCC Structures Design A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n?. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is bn (fc/2) (d - n/3) Atft (d - n/3) All listed here ½ n₁ (1 - n₁/3) cbd² bn (fc/2) (d - n/3) Atft (d - n/3) All listed here ½ n₁ (1 - n₁/3) cbd² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is: (1 - C) mf + eE (C - 1) mf + eE (C - 1) mf - eE (1 - C) mf - eE (1 - C) mf + eE (C - 1) mf + eE (C - 1) mf - eE (1 - C) mf - eE ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A part of the slab may be considered as the flange of the T-beam if All of the listed here It is built integrally with the beam It is effectively bonded together with the beam Flange has adequate reinforcement transverse to beam All of the listed here It is built integrally with the beam It is effectively bonded together with the beam Flange has adequate reinforcement transverse to beam ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If P kg/m² is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by D = 0.775 Pa D = 0.0775 aP D = 0.07775 aP D = 0.00775 aP D = 0.775 Pa D = 0.0775 aP D = 0.07775 aP D = 0.00775 aP ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis Remains within the flange Remains below the slab Coincides the geometrical centre of the beam None of these Remains within the flange Remains below the slab Coincides the geometrical centre of the beam None of these ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge Is increased by Pe/Z Is decreased by Pe/Z Is increased by PZ/e Remains unchanged Is increased by Pe/Z Is decreased by Pe/Z Is increased by PZ/e Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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