Material Science Test Questions


Q.  Which of the following statements is/are false? 1. Ball indenter in Rockwell hardness test is made of diamond 2. Brale indenter in Rockwell hardness test is made of diamond 3. Micro hardness test is used to measure hardness of thin brittle materials

a. Only 1
b. Only 2
c. Only 3
d. All the statements are false



 
 

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