Rcc structures design questions with answers
181 multiple-choice questions. Open any question for its answer and explanation.
- The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept
- An R.C.C. column is treated as short column if its slenderness ratio is less than
- A ribbed slab is provided for
- The thickness of the topping of a ribbed slab, varies between
- The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than
- The load stress of a section can be reduced by
- The horizontal portion of a step in a stairs case, is known as
- An under-reinforced section means
- The live load to be considered for an accessible roof, is
- The live load to be considered for an inaccessible roof, is
- The Young's modulus of elasticity of steel, is
- In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength
- The maximum shear stress (qmax) in a rectangular beam is
- A pre-stressed concrete member
- In the zone of R.C.C. beam where shear stress is less than 5 kg/cm2, nominal reinforcement is provided at a pitch of
- Distribution reinforcement in a simply supported slab, is provided to distribute
- If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is
- The system in which high tensile alloy steel bars (silica manganese steel) are used as pre-stressing tendons, is known as
- The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or
- Long and short spans of a two way slab are $${l_{\text{y}}}$$ and $${l_{\text{x}}}$$ and load on the slab acting on strips parallel to $${l_{\text{x}}}$$ and $${l_{\text{y}}}$$ be wx and wy respectively. According to Rankine Grashoff theory
- A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is
- The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is
- The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes
- For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is
- For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to