Theory of Structures Questions

• A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is
• In plastic analysis, the shape factor for rectangular section, is
• The assumption in the theory of bending of beams, is :
• In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is
• Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as
• A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,
• Total strain energy theory for the failure of a material at elastic limit, is known
• Shear strain energy theory for the failure of a material at elastic limit, is due to
• For determining the support reactions at A and B of a three hinged arch, points B and C are 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
• A material which obeys Hook's law, is subjected to direct stress σ0. At its elastic limit, the following statement is true,
• Pick up the incorrect statement from the following : The torsional resistance of a shaft is directly proportional to
• The force in BF of the truss shown in given figure, is
• The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/3rd of the span, is
• A material may fail if
• A material is said to be perfectly elastic if
• In the truss shown in the given figure, the force in member BC is
• Stress may be expressed in Newtons
• Pick up the correct statement from the following:
• The force in AD of the truss shown in given figure, is
• The radius of gyration of a section of area A and least moment of inertia I about the centroidal axis, is