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

Related Mcqs:

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

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

4. Which of the following is the softest material ?

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

5. A hardness depth of about 3 mm can be achieved by induction hardness in ______________ seconds?

   A. 5
   B. 100
   C. 250
   D. 500

6. 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

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

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

8. Addition of ______________ in steel is helpful in increasing the depth of hardness?

   A. Chromium
   B. Sulphur
   C. Vanadium
   D. Tungsten

9. Softness of silver can be converted into hardness by alloying it with small quantity of_________________?

   A. Copper & nickel
   B. Zinc
   C. Aluminium
   D. Tin

10. Addition of _____________ in steel can help in increasing the depth of hardness?

    A. Nickel
    B. Chromium
    C. Vanadium
    D. Tungsten