Answer:
a. The process flowchart for the processes is shown in the attached file.
b. The flow time is 50 minutes.
c. It will increase the flow time to 57.5 minutes.
Explanation:
a. A process flowchart is used to show all the necessary steps and processes in an operation. The flowchart for the operation above is shown in the attached file.
b. Because F1 contains the critical path, the flow time is 50 minutes.
c. Because 50% of F1 is turned back to A, thus 100% of F1 will use approximately 15 mins in A and other 50% will use an additional 15 mins in A. Therefore:
On average F1 will use 15 + (50/100)*15 = 15 + 7.5 = 22.5 mins
This shows that Activity A will use an additional 7.5 mins. Because this is on the critical path, the flow time will change to 50 + 7.5 = 57.5 mins