41. Within elastic limit, stress is
42. When a body is subjected to a direct tensile stress $$\left( {{\sigma _{\text{x}}}} \right)$$ in one plane accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ the maximum normal stress is
43. When a body is subjected to a direct tensile stress $$\left( {{\sigma _{\text{x}}}} \right)$$ in one plane accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ the minimum normal stress is
44. When a body is subjected to biaxial stress i.e. direct stresses $$\left( {{\sigma _{\text{x}}}} \right)$$ and $$\left( {{\sigma _{\text{y}}}} \right)$$ in two mutually perpendicular planes accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ then maximum normal stress is
45. When a body is subjected to biaxial stress i.e. direct stresses $$\left( {{\sigma _{\text{x}}}} \right)$$ and $$\left( {{\sigma _{\text{y}}}} \right)$$ in two mutually perpendicular planes accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ then minimum normal stress is
46. The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.
47. In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress across the thickness of a cylinder is
48. In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure
49. The shear modulus of most materials with respect to the modulus of elasticity is
50. The strain energy stored in a body, when the load is gradually applied, is (where $$\sigma $$ = Stress in the material of the body, V = Volume of the body and E = Modulus of elasticity of the material)
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