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

Related Mcqs:

1. The hardest material just prior to diamond in Mho’s 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. Hardest materials so far found is_________________?

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

4. Which of the following is the hardest material ?

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

5. Hardest material so far found is__________________?

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

6. Which of the following is the hardest _______________?

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

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

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

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

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

9. The material used in the filament of electric bulbs is_________________?

   A. Nichrome
   B. Tungsten
   C. Constantan
   D. German silver

10. The preferred material of construction for storage tanks for 98% sulphuric acid is_________________?

    A. Aluminium
    B. Lead
    C. Stainless steel 316
    D. Mild steel