The hardest material just prior to diamond in Mho’s scale is___________________?

Related Mcqs:

1. The hardest material just prior to diamond in Mhos scale is_________________?

   A. Topaz
   B. Carborundum
   C. Corundum
   D. Calcite

2. The softest material just next to talc in the Mhos scale is_________________?

   A. Quartz
   B. Gypsum
   C. Feldspar
   D. Fluorite

3. Which of the following is the hardest material ?

   A. Topaz
   B. Quartz
   C. Corundum
   D. Fluorite

4. Hardest material so far found is__________________?

   A. Diamond
   B. Graphite
   C. Carborundum
   D. Pumice stone

5. The softest material just next to talc in the Mho’s scale is___________________?

   A. Quartz
   B. Gypsum
   C. Feldspar
   D. Fluorite

6. Hardest materials so far found is_________________?

   A. Diamond
   B. Graphite
   C. Carborundum
   D. Pumice stone

7. Which of the following is the hardest _______________?

   A. Cementite
   B. Pearlite
   C. Austenite
   D. Ferrite

8. The softest material in Mho’s scale (for measuring hardness) is________________?

   A. Talc
   B. Gypsum
   C. Rubber
   D. None of these

9. Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the__________________?

   A. Ultimate tensile strength (U.T.S.)
   B. Endurance limit
   C. Elastic limit
   D. None of these

10. The range of Mho’s scale of hardness is from________________?

    A. 1 to 15
    B. 1 to 8
    C. 1 to10
    D. 0 to 10