RCC Structures Design According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is 10 kg/cm² 20 kg/cm² 15 kg/cm² 5 kg/cm² 10 kg/cm² 20 kg/cm² 15 kg/cm² 5 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design In a doubly-reinforced beam if ‘c’ and ‘t’ are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good (t + c)/n = (d + n)/n (m + c)/t = n/(d + n) mc/t = n/(d - n) mc/t = (d - n)/t (t + c)/n = (d + n)/n (m + c)/t = n/(d + n) mc/t = n/(d - n) mc/t = (d - n)/t ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The maximum shear stress (q) in concrete of a reinforced cement concrete beam is (Shear force × Width)/Lever arm Width/(Lever arm × Shear force) Shear force/(Lever arm × Width) Lever arm/(Shear force × Width) (Shear force × Width)/Lever arm Width/(Lever arm × Shear force) Shear force/(Lever arm × Width) Lever arm/(Shear force × Width) 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: (C - 1) mf + eE (1 - C) mf + eE (1 - C) mf - eE (C - 1) mf - eE (C - 1) mf + eE (1 - C) mf + eE (1 - C) mf - eE (C - 1) mf - eE ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm² and 250 kg/cm² respectively. If m = 15, the depth of its neutral axis is 30 cm 25 cm 35 cm 20 cm 30 cm 25 cm 35 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The effective width of a column strip of a flat slab, is Radius of the column One-fourth the width of the panel Half the width of the panel Diameter of the column Radius of the column One-fourth the width of the panel Half the width of the panel Diameter of the column ANSWER DOWNLOAD EXAMIANS APP