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 tools life equations are Carbide tool : VT1.6 = 3000; HSS tool VT0.6 = 200, where V is the cutting speed in n/min and T is tool life in min. The Carbide tool will provide higher tool life if the cutting speed in m/min exceeds
A.	39.4
B.	15
C.	60
D.	49.3
Answer» B. 15

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