42701. The amount of reinformcement for main bars in a slab, is based upon
42702. If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is
42703. The percentage of minimum reinforcement of the gross sectional area in slabs, is
42704. A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is
42705. If T and R are tread and rise respectively of a stair, then
42706. In a prestressed beam carrying an external load W with a bent tendon is having angle of inclination θ and prestressed load P. The net downward load at the centre is
42707. The effective width of a column strip of a flat slab, is
42708. High strength concrete is used in prestressed member
42709. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
42710. The weight of a foundation is assumed as
42711. The maximum shear stress (qmax) in a rectangular beam is
42712. For stairs spanning horizontally, the minimum waist provided is
42713. Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of
42714. 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 At of the steel required for an economic section, is
42715. The live load to be considered for an inaccessible roof, is
42716. If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm2, the share stirrups are provided for a distance x from either end where x is
42717. The radius of a bar bend to form a hook, should not be less than
42718. In a simply supported slab the minimum spacing of distribution reinforcement, should be four times the effective thickness of the slab or
42719. A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is
42720. If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by
42721. An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is
42722. If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a
42723. The toe projection of foundation slabs is taken
42724. Steel beam theory is used for
42725. The advantage of reinforced concrete, is due to
42726. The shear reinforcement in R.C.C. is provided to resist
42727. An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm φ placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is
42728. According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than
42729. Pick up the true statement from the following:
42730. The horizontal portion of a step in a stairs case, is known as
42731. The length of lap in tension reinforcement should not be less than the bar diameter x (actual tension / four times the permissible average bond stress) if it is more than
42732. 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
42733. Distribution reinforcement in a simply supported slab, is provided to distribute
42734. To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is
42735. The thickness of the topping of a ribbed slab, varies between
42736. To ensure uniform pressure distribution, the thickness of the foundation, is
42737. The maximum ratio of span to depth of a cantilever slab, is
42738. 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
42739. In a singly reinforced beam, the effective depth is measured from its compression edge to
42740. If a rectangular prestressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be
42741. If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2, the length of the beam having nominal reinforcement, is
42742. If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than
42743. If the depth of actual neutral axis of a doubly reinforced beam
42744. The length of the straight portion of a bar beyond the end of the hook, should be at least
42745. A simply supported beam , 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm2, the area of steel required, is
42746. Distribution of shear intensity over a rectangular section of a beam, follows :
42747. [A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by
42748. Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam
42749. The maximum diameter of a bar used in a ribbed slab, is
42750. If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is
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