IF_PERCENTAGE_OF_COBALT_IN_TUNGSTEN_CARBIDE_TOOL_INCREASES,_THEN_HARDN – McqOptions

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1.	IF_PERCENTAGE_OF_COBALT_IN_TUNGSTEN_CARBIDE_TOOL_INCREASES,_THEN_HARDNESS_OF_TOOL_WILL?$
A.	Increase
B.	Decrease
C.	Remains Constant
D.	First increase then decrease
Answer» C. Remains Constant

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