Theory of Structures A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is ωl²/12h ωl²/16h ωl²/8h ωl²/4h ωl²/12h ωl²/16h ωl²/8h ωl²/4h ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is 1.5 3 2 1 1.5 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is 1/2 2/3 1/3 1/4 1/2 2/3 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is 45° 90° 30° 60° 45° 90° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is 35 N 40 N 30 N 25 N 35 N 40 N 30 N 25 N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material Regains its original shape on removal of the load Undergoes plastic deformation Obeys Hooke’s law Behaves in an elastic manner Regains its original shape on removal of the load Undergoes plastic deformation Obeys Hooke’s law Behaves in an elastic manner ANSWER DOWNLOAD EXAMIANS APP