Strength of Materials Questions

• The neutral axis of a beam is subjected to __________ stress.
• The load at which the column just buckles, is known as
• A tensile test is performed on a mild steel round bar. Its diameter after fracture will
• The relation between equivalent length (L) and actual length (l) of a column for one end fixed and the other end hinged is
• In the above question, the normal stress on an oblique section will be maximum, when θ is equal to
• The polar modulus for a hollow shaft of outer diameter (D) and inner diameter (d) is
• The bending equation is
• In a riveted joint, when the number of rivets decreases from the inner most row to outer most row, the joint is said to be
• The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.
• The section modulus of a circular section about an axis through its C.G., is
• The hoop stress in a thin cylindrical shell is
• Which of the following is the correct torsion equation?
• The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
• A pressure vessel is said to be a thin shell when the ratio of wall thickness of the vessel to its diameter is __________ 1/10.
• The strength of the shaft is judged by the torque transmitted by the shaft.
• When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the maximum normal stress is
• According to Euler's column theory, the crippling load of a column is given by p = π2 EI/Cl2 In this equation, the value of C for a column with both ends hinged, is
• A simply supported beam with a gradually varying load from zero at B and w per unit length at A is shown in the below figure. The shear force at B is equal to
• The ratio of linear stress to the linear strain is called
• When a load on the free end of a cantilever beam is increased, failure will occur