preview

Student: Cycle Time

Satisfactory Essays

Student Name: Model Answer Student ID: IE 472 – Operations of Manufacturing Systems Midterm, Fall 08/09 1) State true or false for each of the following statements ( T ) In the EOQ model, the sum of holding and setup costs is fairly insensitive to the order quantity. ( F ) The Wagner-Whitin algorithm is based on the property that the inventory carried to period t + 1 will always be less than that of period t ( F ) Zero cycle time is one of the main targets of JIT. ( T ) With cross-training and autonomation, it becomes possible for a single worker to operate several machines at once. ( F ) The classical Kanban system made use of three types of cards: a production card, a move card and a sequencing card. ( …show more content…

However the performance in case (b) is better than the performance of this case. (d) Repeat part (c) under the practical-worst-case conditions. We have TH PWC = w w −1 rb and CTPWC = T0 + W0 + w − 1 rb So, increasing the value of the critical WIP (W0) from 2.5 to 4 and increasing the bottleneck rate rb from 0.5 to 1, would increase the throughput. For the cycle time, it will be reduced since the value of T0 is less (4 versus 5) and the value of rb is higher (1 versus

Get Access