Question: The following data resulted from a study taken on a horizontal milling machine: Pieces produced per cycle: 8. Average measured cycle time: 8.36 minutes. Average

The following data resulted from a study taken on a horizontal milling machine:

Pieces produced per cycle: 8.

Average measured cycle time: 8.36 minutes.

Average measured effort time per cycle: 4.62 minutes

. Average rapid traverse time: 0.08 minutes.

Average cutting time power feed: 3.66 minutes.

Performance rating: 115 percent.

Allowance (machine time): 10 percent

. Allowance (manual time): 15 percent.

The operator works on the job a full eight-hour day and produces 380 pieces.

How many standard hours does the operator work? What is her efficiency for the eight-hour day?

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