Which of the following physical property can be used to estimate indir – McqOptions

MCQOPTIONS

1.	Which of the following physical property can be used to estimate indirectly the proportional limit of gold alloys ?
A.	Vickers’s hardness number
B.	Knoop hardness number
C.	Brinell hardness number
D.	Rockwell hardness number
Answer» D. Rockwell hardness number

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