Two cutting tools are being compared for a machining operation. The to – McqOptions

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1.	Two cutting tools are being compared for a machining operation. The tool life equations are:Carbide tool: VT1.6 = 3000HSS tool : VT0.6 = 200Where V is the cutting speed in m/min and T is the tool life in min. The carbide tool will provide higher tool life if the cutting speed in m/min exceeds
A.	15
B.	39.4
C.	49.3
D.	60
Answer» C. 49.3

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