Q. 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

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Q. 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

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Q. The toe projection of foundation slabs is taken

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Q. For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is

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Q. Steel beam theory is used for

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Q. The advantage of reinforced concrete, is due to

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Q. The shear reinforcement in R.C.C. is provided to resist

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Q. 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

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Q. The live load to be considered for an inaccessible roof, is

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Q. 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

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Q. The radius of a bar bend to form a hook, should not be less than

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Q. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

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Q. The weight of a foundation is assumed as

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Q. The maximum shear stress (qmax) in a rectangular beam is

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Q. For stairs spanning horizontally, the minimum waist provided is

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Q. 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

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Q. If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than

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Q. If the depth of actual neutral axis of a doubly reinforced beam

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Q. The length of the straight portion of a bar beyond the end of the hook, should be at least

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Q. 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

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