Rcc structures design questions with answers
181 multiple-choice questions. Open any question for its answer and explanation.
- Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds
- The weight of a foundation is assumed as
- The diameter of the column head support a flat slab, is generally kept
- According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than
- According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than
- For M 150 grade concrete (1 : 2 : 4) the moment of resistance factor is
- To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than
- For M 150 mix concrete, according to I.S. specifications, local bond stress, is
- If $${{l_1}}$$ and $${{l_2}}$$ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2 acting on strips parallel to $${{l_2}}$$ and $${{l_1}}$$ is
- The minimum thickness of a flat slab is taken
- Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension
- The number of treads in a flight is equal to
- If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is
- The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is
- In a singly reinforced beam, the effective depth is measured from its compression edge to
- The steel generally used in R.C.C. work, is
- The advantage of reinforced concrete, is due to
- The spacing of transverse reinforcement of column is decided by the following consideration.
- The design of heel slab of a retaining wall is based on the maximum bending moment due to
- Steel bars are generally connected together to get greater length than the standard length by providing
- If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area Ast of the steel required for an economic section, is A. 0.496% B. 0.596% C. 0.696% D. 0.796%
- The maximum ratio of span to depth of a cantilever slab, is
- An R.C.C. column is treated as long if its slenderness ratio is greater than
- The ratio of the breadth to effective depth of a beam is kept
- If K is a constant depending upon the ratio of the width of the slab to its effective span $$l$$, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is