MCQ 1 Modulus of rigidity is defined as the ratio of
MCQ 2 The relationship between young’s modulus of elasticity E, bulk modulus k and poission’s ratio is µ given by
MCQ 3 12. At a point in a strained body carrying two unequal unlike principal stress p1 and p2 (p1 > p2), the maximum shear stress is given by
MCQ 4 If a point in a strained material is subjected to equal normal and tangential stresses, then the angle of obliquity is
MCQ 5 If the principal stresses at a point in a strained body are p1 and p2 (p1>p2), then the resultant stress on plain carrying the maximum shear stress is equal to
MCQ 6 The plane of maximum obliquity is inclined to the major principle plane at an angle
MCQ 7 Slope at the end of a simply supported beam of span l with uniformly distributed load w/unit length over the entire span is given by
MCQ 8 If an element is subjected to pure shearing stress τ_xy, the maximum principal stress is equal to
MCQ 10 Limit of proportionality depends upon
MCQ 13 For an isotropic, homogeneous and elastic material obeying hook?s law, number of independent elastic constants is
MCQ 12 If all the dimensions of a prismatic bar are doubled, then the maximum stress produced in it under its own weight will
MCQ 15 Limiting values of poission?s ratio are
MCQ 9 If a material has identical properties in all directions, it is said to be
MCQ 14 If a composite bar of steel and cooper is heated, then the cooper bar will be under
MCQ 11 Effective length of a weld is equal to