PROCESS DIAGRAM A manufacturing operation is staffed by an operator. The machine used is automatic. The production cycle for this machine is represented in the following diagram. Each line equals 10 seconds. In the loading activity, the operator places a part in the machine and puts it into operation. In the unloading activity of the operator, he stops the operation of the machine and removes the manufactured part. The cost of the labor is $ 36 / hour and the cost of the machine is $ 120 / hour.

Answer the following questions: 9. The operation cycle is: a.- 100 seconds / piece b.- 50 seconds / piece c.- 20 seconds / piece d.- 40 seconds / piece

10. The hourly production for this operation would be: a.- 36 pieces b.- 72 pieces c.- 60 pieces d. None of the above

11. The cost of manufacturing a piece is: to. $ 4.33 / piece b. $ 1.2 / piece c. $ 2.16 / piece d. None of the above

12. As the machine being used is automatic, what is the minimum number of machines that should be assigned to the operator so that he does not have any leisure? to. 3 machine b. 2 machines c. 2.5 machines d. None

Operator Machine Activity Time Activity Time load load Waiting Production discharge discharge