Related Questions

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
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
In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.
A Decreases slowly
B Increases slowly
C Decreases more quickly
D Increases more quickly
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
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
Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as
A 0.01
B 0.3
C 0.75
D 0.95
Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
A Linear strain
B Lateral strain
C Volumetric strain
D Shear strain
In a tensile test, near the elastic limit zone, the
A Tensile strain increases more quickly
B Tensile strain decreases more quickly
C Tensile strain increases in proportion to the stress
D Tensile strain decreases in proportion to the stress
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
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

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