RCC Structures Design If ‘A’ is the sectional area of a pre-stressed rectangular beam provided with a tendon pre-stressed by a force ‘P’ through its centroidal longitudinal axis, the compressive stress in concrete, is 2A/P A/P P/A P/2A 2A/P A/P P/A P/2A ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design In a pre-stressed beam carrying an external load W with a bent tendon is having angle of inclination ? and pre-stressed load P. The net downward load at the centre is W - 2P sin θ W - 2P cos θ W - P sin θ W - P cos θ W - 2P sin θ W - 2P cos θ W - P sin θ W - P cos θ ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm², the share stirrups are provided for a distance ‘x’ from either end where, ‘x’ is 200 cm 100 cm 50 cm 150 cm 200 cm 100 cm 50 cm 150 cm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width R + T T - R √(R² + T²) R - T R + T T - R √(R² + T²) R - T ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at 25° 35° 55° 45° 25° 35° 55° 45° ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm², the beam Is safe in shear Needs revision of section Is safe with stirrups Is safe with stirrups and inclined bars Is safe in shear Needs revision of section Is safe with stirrups Is safe with stirrups and inclined bars ANSWER DOWNLOAD EXAMIANS APP
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