Question 1: Melissa's Photo Studio offers both individual and group portrait options. The process flow diagram in Figure shows that all customers must first register and then pay at one of two cashiers. Then, depending on whether they want a single or group portrait they go to different rooms. Finally, everyone picks up their own finished portrait.
Part A: How long does it take to complete the entire process for a group portrait?
Part B: What single activity is the bottleneck for the entire process, assuming the process receives equal amounts of both groups and individuals?
Part C: What is the capacity of the bottleneck for both groups and individuals?
Question 2: Swenson Saws produces bow, frame, dovetail, and tenon saws used by craft furniture makers. During an 8-hour shift, a saw is produced every 6 minutes. The demand for bow, frame, and dovetail saws is about the same, but the demand for tenon saws is twice the demand for the other three.
If mixed-model scheduling is used, how many of each saw will be produced before the cycle is repeated?
Part A: Determine a satisfactory production sequence for one unit production. How often is this sequence repeated?
Part B: How many of each saw does Swenson produce in one shift?