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The property of a material that resists penetration or indentation by means of abrasion or scratching is known as ___________

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The property of a material that resists penetration or indentation by means of abrasion or scratching is known as ___________

(a) Strength

(b) Hardness

(c) Stiffness

(d) Toughness

I had been asked this question in an interview for internship.

Question is taken from Compression Test in division Testing of Concrete of Concrete Technology

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Correct answer is (b) Hardness

Easy explanation: The property of a material that resists penetration or indentation by means of abrasion or scratching is known as hardness.

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