engineering recuitment ISRO Technical Assistant 2024 Mock Test Production Engineering (Manufacturing) Machining Processes and Machine Tools Taylor's Tool Life Equation
In a Drilling operation under a given condition , the tool life found to decrease from 20 minutes to 5 minutes due to increase in drilling speed from 200 rpm to 400 rpm . The tool life of that drill under the same condition if the drill speed is 300 rpm will be :
1
8.89 min
2
11.89 min
3
14.89 min
4
10.89 min