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 1.5 cm 2 cm 2.5 cm 1 cm 1.5 cm 2 cm 2.5 cm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4W²D3n²/d4N 4W²Dn/d4N 4W²D3n/d4N 4WD²n/d4N 4W²D3n²/d4N 4W²Dn/d4N 4W²D3n/d4N 4WD²n/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures 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 None of these 2 : 1½ : 1 1 : 1 : 2 1 : 1½ : 2 None of these 2 : 1½ : 1 1 : 1 : 2 1 : 1½ : 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In the truss, the force in the member AC is 6.25 t compressive 8.75 t tensile t tensile t compressive 6.25 t compressive 8.75 t tensile t tensile t compressive ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch). 150/EIc 100/EIc 200/EIc 50/EIc 150/EIc 100/EIc 200/EIc 50/EIc ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is Straight line Ellipse Circle Parabola Straight line Ellipse Circle Parabola ANSWER DOWNLOAD EXAMIANS APP