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In developing abrasive ceramics which are used to wear, grind or cut away other materials which are (necessarily) softer, they should have, besides wear resistance, 1. a high degree of toughness 2. a low degree of toughness 3. Refractoriness Which of the above is/are correct?

In developing abrasive ceramics which are used to wear, grind or cut away other materials which are (necessarily) softer, they should have, besides wear resistance, 1. a high degree of toughness 2. a low degree of toughness 3. Refractoriness Which of the above is/are correct? Correct Answer 1 and 3

Concept:

  • Abrasive ceramics should have high wear resistance, high degree of toughness so that they do not shatter during cutting/machining
  • It should also possess refractoriness to withstand high temperature during cutting without undergoing change in shape/deformation.

Related Questions

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2.B did not wear shirt of Blue colour.
3.C did not wear shirt of White colour.
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The Proper sequence should be:
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