M10 index of coke indicates its

A. Compressive strength

B. Hardness

C. Abrasion resistance

D. Impact strength

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. With increase in impurities in metals, their corrosion resistances
  2. An alloy of Fe - 0.4 % C is
  3. Which of the following does not discharge the dust collected as a dry solid?
  4. Quartz is a __________ material.
  5. The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is
  6. For a spontaneous natural process at constant temperature and pressure, the free energy of the system…
  7. Magnetic permeability of iron is increased by its
  8. __________ joint is mostly used for joining pipes carrying water at low pressure.
  9. An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform…
  10. Which of the following heat treatment processes is usually applied to castings?
  11. The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________…
  12. Material of construction of foundry crucible is
  13. Joule-Thomson co-efficient is the ratio of
  14. Laser welding is widely employed in the __________ industries.
  15. Which of the following phenomenon will exhibit the minimum heat transfer?
  16. Steel is welded using the __________ flame.
  17. Temper brittleness of a material can be fairly detected by the __________ test.
  18. In the Bayer's process, bauxite is digested under pressure using
  19. The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
  20. Cast iron contains __________ percent carbon.
  21. Alloy powder manufactured by the following process have spherical shapes.
  22. __________ is not a heat treatment process.
  23. The lightest non-inflammable gas is
  24. Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent…
  25. Silicon crystal can be converted to p-type semiconductor by doping with
  26. In inventory control theory, the economic order quantity (EOQ) is the
  27. Alloying elements present in Haynes stellite, which has superior performance than high speed steel,…
  28. Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about
  29. Water-tube boiler is the one, in which
  30. Biological shield in a nuclear reactor is generally provided to protect against the