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
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
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
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
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is
A 0
B 0.33
C 0.44
D 0.25
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
The ratio of lateral strain to the linear strain within elastic limit is known as
A Young's modulus
B Bulk modulus
C Modulus of rigidity
D Poisson's ratio
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
Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the
A Ultimate tensile strength (U.T.S.)
B Endurance limit
C Elastic limit
D None of these
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

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