Question: (Time Studies) The following data resulted from a time study taken on a horizontal milling machine. What is the standard time for the operation (worker
- (Time Studies) The following data resulted from a time study taken on a horizontal milling machine. What is the standard time for the operation (worker and machine)?
Mean manual time per cycle: 4.62 minutes.
Mean machine cutting time (power feed): 3.74 minutes.
Mean worker performance rating: 115%
Machine allowance (power feed): 10 percent.
Worker fatigue allowance: 15 percent.
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