In case of very hard surfaces the Brinell Hardness test method fails to give reliable results because

Production Engineering Mcqs
BILAL KHATTAK0

A.Ball does not force into the metal
B.Ball deforms on very hard surfaces
C.Ball slips along the surface
D.It is generally not desired to use this method in such cases
E.None of the above

Related Mcqs:

  1. In a Brinell hardness test the hardness number is determined by the measurement of
  2. In Brinell hardness tests if a soft ball is used for indentation
  3. In Rockwell test for hardness on B scale
  4. In Brinell hardness testing, while determining hardness of aluminium
  5. Radiation heats transfer between two surfaces can be reduced by
  6. Endentor used in Vickers hardness testing machine is
  7. Apart from reducing friction and cooling the surfaces, the function of lubricant in I.C. engines is
  8. Brinell and Vickers hardness values are practically identical upto a hardness of
  9. Which is incorrect statement, if any
  10. Which of the following methods results in book values greater than those obtained with the straight-line method?

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