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Which of the following is a proper sequence ?
  • a)
    proportional limit, elastic limit, yielding sequence ?
  • b)
    elastic limit, proportional limit, yielding, failure
  • c)
    yielding, Proportional limit, elastic limit, failure
  • d)
    none of the above
Correct answer is option 'A'. Can you explain this answer?
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Which of the following is a proper sequence ?a)proportional limit, ela...
Proper Sequence of Material Behavior

The behavior of a material under load can be described by a sequence of stages. The proper sequence of material behavior is as follows:

1. Proportional limit: This is the point at which a material begins to deform elastically. Below this limit, the material will return to its original shape when the load is removed.

2. Elastic limit: This is the point beyond the proportional limit where the material will no longer return to its original shape when the load is removed. However, if the load is removed before reaching this limit, the material will still behave elastically.

3. Yielding sequence: This is the point at which the material begins to yield or deform plastically. The material will not return to its original shape when the load is removed at this point.

4. Failure: This is the point at which the material breaks or fractures.

Proper Sequence Option

The proper sequence of material behavior is given in option (a): Proportional limit, elastic limit, yielding sequence, failure. This sequence is in chronological order of how the material behaves under stress and is the correct order of material behavior.
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Which of the following is a proper sequence ?a)proportional limit, ela...
Proper sequence of material behavior under load

When a material is subjected to a load, it undergoes various stages of deformation and failure. The proper sequence of material behavior under load is as follows:

1. Proportional limit:
This is the maximum stress that a material can withstand without exhibiting permanent deformation. It is the point beyond which the stress-strain curve stops being linear and starts to curve.

2. Elastic limit:
This is the maximum stress that a material can withstand and still return to its original shape after the load is removed. It is the point beyond which the material undergoes permanent deformation.

3. Yielding:
This is the point where the material undergoes plastic deformation and does not return to its original shape once the load is removed. The stress required to cause this deformation is known as the yield stress.

4. Failure:
This is the point where the material breaks or fractures under load. It occurs when the stress applied to the material exceeds its ultimate strength.

Proper sequence of material behavior under load is option 'A' i.e. proportional limit, elastic limit, yielding sequence, failure.
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