Aircraft Engineering Interview Question:

Define each property which is used in mechanics?

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Strength:
This is the applied force on a material that can withstand prior to fracture. It is measured by the proof or yield stress of a material that is under action.

Working stress:
This is the stress that is being imposed on a material as a result of the load that is being subjected on the material. The loads that are given must be in the elastic range.

Proof stress:
Defines the tensile stress.

Ultimate tensile stress (UTS):
Defines of a material that is given by a relationship or its maximum load.

Specific strength:
Defines the light and strong of a material that is used in aircraft making. This is done to maximize the payload and meeting all the safety requirements.

Malleability:
Defines the ability to be rolled into sheets or get a shape under pressure. This includes examples of gold, copper and lead.

Elasticity:
Defines the ability of a material to return to its original shape when an external force is removed from the material.
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