ITEC-355 Study Guide - Final Guide: W. M. Keck Observatory, Process Flow Diagram
11 Dec 2018
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____________________________________________________________________________________________________________________: daffy dave"s sub shop makes custom sandwiches to order. Each sandwich is prepared using the same 4-step process: Step-1 is completed in 1 minute per order. Steps 2, 3, and 4 are completed in 3, 4, and 2 minutes per order, respectively. A different person is working at each step of the process. Daffy wants to know the following for an 8-hour day. Draw a simple flow chart and solve for throughput rate = 1/(cycle time) Throughput rate / flow rate for process = min {1,0. 33,0. 25,0. 5} = 0. 25 orders/min. So the daily capacity is 0. 25 orders/min*60min/hr*8hrs/day=120orders/day: suppose daffy hires one more person to work on making sandwiches. Bottleneck of this process is step 3 because it has the lowest throughput rate (or the highest cycle time), hence we should add the new resource to step 3. It will increase the capacity of the process; hence the process can handle a higher demand rate.
