Using the Taylor’s tool life equation with exponent n = 0.5, if the cutting speed is reduced by 50%

Q. Using the Taylor’s tool life equation with exponent n = 0.5, if the cutting speed is reduced by 50%, the ratio of new tool life to original tool life is

(A) 4                          (B) 2                          (C) 1                          (D) 0.5

Ans: 4

Sol: