RCC Structures Design The load stress of a section can be reduced by Replacing larger bars by greater number of small bars Increasing the total perimeter of bars Replacing smaller bars by greater number of greater bars Decreasing the lever arm Replacing larger bars by greater number of small bars Increasing the total perimeter of bars Replacing smaller bars by greater number of greater bars Decreasing the lever arm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The system in which high tensile alloy steel bars (silica manganese steel) are used as pre-stressing tendons, is known as Magnel-Blaton system Lee-McCall system C.L. standard system Freyssinet system Magnel-Blaton system Lee-McCall system C.L. standard system Freyssinet system ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm² and 300 kg/cm², the Safe load on the column, should not exceed 412,000 kg 4,120 kg None of these 41,200 kg 412,000 kg 4,120 kg None of these 41,200 kg ANSWER DOWNLOAD EXAMIANS APP
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 The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt, Is safe in shear Is unsafe in shear Is over safe in shear Needs redesigning Is safe in shear Is unsafe in shear Is over safe in shear Needs redesigning ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A foundation rests on Base of the foundation Sub-grade Foundation soil Both B and C Base of the foundation Sub-grade Foundation soil Both B and C ANSWER DOWNLOAD EXAMIANS APP