Theory of Structures 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 × 106 kg/cm², the side of the rod, is 1 cm 2 cm 2.5 cm 1.5 cm 1 cm 2 cm 2.5 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A truss containing j joints and m members, will be a simple truss if j = 3m – 2 j = 2m – 3 m = 3j – 2 m = 2j – 3 j = 3m – 2 j = 2m – 3 m = 3j – 2 m = 2j – 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The equivalent length of a column of length L, having both the ends hinged, is S 2L L/2 L S 2L L/2 L ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures parabolic arch of span and rise , is given by The equation of a y = 2h/l² × (1 – x) y = 3h/l² × (1 – x) y = h/l² × (1 – x ) y = 4h/l² × (1 – x) y = 2h/l² × (1 – x) y = 3h/l² × (1 – x) y = h/l² × (1 – x ) y = 4h/l² × (1 – x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A masonry dam (density = 20,000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be 75000 N/m² 75 N/m² 750 N/m² 7500 N/m² 75000 N/m² 75 N/m² 750 N/m² 7500 N/m² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is ee²l/3d² el/2d el²/3d² e²l²/3d² ee²l/3d² el/2d el²/3d² e²l²/3d² ANSWER DOWNLOAD EXAMIANS APP
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