99. A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 x 106 kg/cm2, the side of the rod, is
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100. There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of
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101. The horizontal thrust on the ends of a two hinged semicircular arch of radius R carrying
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102. A two hinged parabolic arch of span 1 and rise h carries a load varying from zero at the left end to w per unit run at the right end. The horizontal thrust is
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103. The locus of reaction of a two hinged semi-circular arch, is
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104. In plastic analysis, the shape factor for rectangular section, is
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105. In plastic analysis, the shape factor for a triangular section, is
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