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

Related Mcqs:

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

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

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

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

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

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

4. Which of the following is the softest material ?

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

5. Brinell Hardness Number (BHN) for talc is approximately in the range of____________________?

   A. 1-5
   B. 20-30
   C. 100 -150
   D. 200 – 250

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

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

7. Anodic material used for the cathodic protection of underground buried steel pipeline is_________________?

   A. Nickel or copper
   B. Zinc or magnesium
   C. Bronze
   D. Brass

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

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

9. A suitable material of construction to use with fuming sulphuric acid is_________________?

   A. Carbon steel
   B. Stainless steel type 304
   C. Nickel
   D. Monel

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