Moment of Resistance

Q. In limit state design method, the moment of resistance for a balanced section using M20 grade concrete and HYSD steel of grade Fe415 is given by $M_{u,lim}=Kb{d}^2$, what is the value of K?

1. 2.98
2. 2.76
3. 1.19
4. 0.89

Q. A simply supported isotropically reinforced square slab of side 4 m is subject to a service load of 6 kPa. The thickness of the slab is 120 mm. The moment of resistance required as per yield line theory is

1. 9 kN-m
2. 9 kNm/m
3. 13.2 kN-m
4. 13.2 kNm/m

Q. The maximum percent of moment redistribution allowed in RCC beams is

1. 10%
2. 20%
3. 30%
4. 40%

Q. For a reinforced concrete beam with M 20 concrete with Fe 415 steel, the working moment corresponding to 'balanced failure' by the Limit State Method of Design is A times of the relatable magnitude of the working moment computed by the Working Stress Method. This value of A is nearly

1. 1.0
2. 1.5
3. 2.0
4. 2.5

Q. A square slab 4 m x 4 mis isotropically reinforced at the bottom. If it is subjected to a working load of 12 kPa (including self weight), the moment capacity required as per yield line theory is

1. 6 kN-m/m
2. 8 kN-m/m
3. 10kN-m/m
4. 12kN-m/m

Q. The singly reinforced concrete beam section shown in the figure (not drawn to the scale) is made of M25 grade concrete and Fe 500 grade reinforcing steel. The total cross- sectional area of the tension steel is 942 mm${}^2.$




As per limit state design of IS 456:2000, the design moment capacity (in kN.m round off to two decimal places) of the beam section is _____________.

1. 158.27