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 P/2A A/P P/A 2A/P P/2A A/P P/A ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is 1.0 2.0 3.0 1.5 1.0 2.0 3.0 1.5 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 decreased by Pe/Z Remains unchanged Is increased by Pe/Z Is increased by PZ/e Is decreased by Pe/Z Remains unchanged Is increased by Pe/Z Is increased by PZ/e 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 Its dimensions are not decided from the diagonal tensile stress Removal of cracks in the members due to shrinkage All listed here Large size of long beams carrying large shear force need not be adopted Its dimensions are not decided from the diagonal tensile stress Removal of cracks in the members due to shrinkage ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design In a simply supported slab, alternate bars are curtailed at 1/6th of the span 1/7th of the span 1/4th of the span 1/5th of the span 1/6th of the span 1/7th of the span 1/4th of the span 1/5th of the span ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design On piles, the drop must be at least 80 cm 124 cm 123 cm 120 cm 80 cm 124 cm 123 cm 120 cm ANSWER DOWNLOAD EXAMIANS APP
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