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Which of the following is not a process or property that influences the hardness of a material?

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Which of the following is not a process or property that influences the hardness of a material?

(a) Buffing

(b) Storing

(c) Porous areas

(d) Decarburizing

The question was asked in an interview for job.

Enquiry is from Aircraft Materials topic in portion Testing Aircraft Materials of Aerospace Materials & Processes

1 Answer

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Best answer
Correct choice is (b) Storing

Easy explanation: Due to the properties of the material, the hardness and subsequently tensile strength are affected. Processes like buffing influence the surface of the material. Porous areas and decarburizing also affect the material.

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