Related Questions

Three elastic constants for a completely anisotropic elastic material which follows the Hooke's law are young's modulus, elastic limit stress and yield stress. Which of the following properties is most sensitive to increase in strain rate ?
A Tensile strength
B Elastic limit
C Proportional limit
D Yield strength
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?
A Steel
B Glass
C Rubber
D Brass
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?
A E = 2G (1 + v)
B E = G (1 + v)
C $${\text{E}} = \frac{{{\text{G}}\left( {1 + {\text{v}}} \right)}}{2}$$
D E = 2G (1 + 2v)
All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain
A Increases very quickly
B Decreases very quickly
C Increases in proportion to stress
D Decreases in proportion to stress
Whenever a material is loaded within elastic limit, stress is __________ strain.
A Equal to
B Directly proportional to
C Inversely proportional to
D None of these
The ratio of shear stress and shear strain of an elastic material, is
A Modulus of Rigidity
B Shear Modulus
C Modulus of Elasticity
D Both A and B
Shear strain energy theory for the failure of a material at elastic limit, is due to
A Rankine
B Guest or Trecas
C St. Venant
D Von Mises
Maximum shear stress theory for the failure of a material at the elastic limit, is known
A Guest's or Trecas' theory
B St. Venant's theory
C Rankine's theory
D Haig's theory
Total strain energy theory for the failure of a material at elastic limit, is known
A Guest’s or Trecas’ theory
B St. Venant’s theory
C Rankine’s theory
D Haig’s theory
Maximum principal stress theory for the failure of a material at elastic point, is known
A Guest's or Trecas' theory
B St. Venant's theory
C Rankine's theory
D Von Mises' theory

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