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 (C - 1) mf - eE (1 - C) mf - eE (C - 1) mf + eE (1 - C) mf + eE (C - 1) mf - eE (1 - C) mf - eE ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The Young's modulus of elasticity of steel, is 250 KN/mm² 150 KN/mm² 275 KN/mm² 200 KN/mm² 250 KN/mm² 150 KN/mm² 275 KN/mm² 200 KN/mm² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A pre-stressed concrete member is preferred because Removal of cracks in the members due to shrinkage Its dimensions are not decided from the diagonal tensile stress All listed here Large size of long beams carrying large shear force need not be adopted Removal of cracks in the members due to shrinkage Its dimensions are not decided from the diagonal tensile stress All listed here Large size of long beams carrying large shear force need not be adopted 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 Lee-McCall system Freyssinet system C.L. standard system Magnel-Blaton system Lee-McCall system Freyssinet system C.L. standard system Magnel-Blaton system ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to Distance of the C.G. of the area from its neutral axis Area of the section Moment of the beam section about its neutral axis Shear force Distance of the C.G. of the area from its neutral axis Area of the section Moment of the beam section about its neutral axis Shear force ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design According to load factor method, the permissible load ‘W’ on a short column reinforced with longitudinal bars and lateral stirrups, is Stress in steel × area of steel Stress in concrete × area of concrete Stress in concrete × area of concrete + Stress in steel × area of steel None of these Stress in steel × area of steel Stress in concrete × area of concrete Stress in concrete × area of concrete + Stress in steel × area of steel None of these ANSWER DOWNLOAD EXAMIANS APP
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