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 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
The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
People should be held accountable for ther own behavior, and if holding people accountable for their own behavior entails capital punishment , then so be it . However , no person should be held accountable for behavior over which he or she had no control. Which of the following is the most logical conclusion of the argument above?
A People should not be held accountable for the behavior of other people.
B People have control over their own behavior.
C People cannot control the behavior of other people.
D People have control over behavior that is subject to capital punishment .
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
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
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
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
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

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