Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Measurement of the area of the indented surface is not involved in the

1.	Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.
A.	Vicker's
B.	Rockwell
C.	Knoop
D.	Brinell
Answer» C. Knoop

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Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

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