EXAMIANS
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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‘P’ is the pre-stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is ‘A’ and sectional modulus is ‘Z’. The minimum stress ‘f’ on the beam subjected to a maximum bending moment ‘M’ is
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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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Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension
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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
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If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least
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For a number of columns constructed in a rcjw, the type of foundation provided, is
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If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is
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The live load to be considered for an inaccessible roof, is
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An R.C.C. column is treated as long if its slenderness ratio is greater than
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