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Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________ hardness.

A. Scratch

B. Indentation

C. Dynamic

D. Rebound

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

You can do it
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  3. Difference at any instant between the value of the controlled variable and the set point is called the
  4. __________ is not used as the control rod material in a nuclear reactor.
  5. Electrochemical corrosion can occur, only if __________ is present in contact with metal.
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  7. Lead is poured into the joint between two- __________ pipes.
  8. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
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  11. Batch process is preferred over continuous process, when the
  12. One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
  13. Dowtherm is a
  14. The burnout heat flux in the nucleate boiling regime is not a function of the
  15. Speisses is a mixture of the following:
  16. Ganister contains maximum percentage of
  17. With increase in temperature, the surface tension of water
  18. __________ is the process used for setting up compressive stresses in the surface of a metal to improve…
  19. The stress at which extension of the material takes place more rapidly as compared to the increase in…
  20. __________ cannot increase the fatigue strength of a material.
  21. Which of the following represents the correct time-temperature curve when a block of metal is heated…
  22. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
  23. The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
  24. Increasing sulphur content in pig iron tends to make it
  25. Increasing the carbon content of steel
  26. Factor of safety is the ratio of the __________ stress to the working stress.
  27. In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean…
  28. Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded…
  29. Which of the following can be manufactured using powder metallurgy techniques?
  30. To counteract the bad effects of strain hardening on a cold formed part, it must be