RCC Structures Design According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is 10 kg/cm² 15 kg/cm² 20 kg/cm² 5 kg/cm² 10 kg/cm² 15 kg/cm² 20 kg/cm² 5 kg/cm² 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 41,200 kg 412,000 kg None of these 4,120 kg 41,200 kg 412,000 kg None of these 4,120 kg 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 increased by PZ/e Is decreased by Pe/Z Remains unchanged Is increased by Pe/Z Is increased by PZ/e Is decreased by Pe/Z Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The radius of a bar bend to form a hook, should not be less than Four times the diameter Twice the diameter Thrice the diameter Five times the diameter Four times the diameter Twice the diameter Thrice the diameter Five times the diameter ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The modular ratio ‘m’ of a concrete whose permissible compressive stress is ‘C’, may be obtained from the equation. m = 1400/3C m = 700/3C m = 2800/3C m = 3500/3C m = 1400/3C m = 700/3C m = 2800/3C m = 3500/3C ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed 20 10 25 15 20 10 25 15 ANSWER DOWNLOAD EXAMIANS APP