Concept explainers
(a)
Interpretation:The mean flow time and average tardiness are to be determined for problem 45 (a) assuming EDD sequence.
Concept Introduction:
The earliest due date or EDD sequence is a method in which jobs will be arranged in increasing order sequence of the due date.
(b)
Interpretation:The mean flow time and average tardiness are to be determined for problem 45 (b) assuming EDD sequence.
Concept Introduction:
The earliest due date or EDD sequence is a method in which jobs will be arranged in increasing order sequence of the due date.
(c)
Interpretation: The mean flow time and average tardiness are to be determined for problem 45 (c) assuming EDD sequence.
Concept Introduction:
The earliest due date or EDD sequence is a method in which jobs will be arranged in increasing order sequence of the due date.
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Production and Operations Analysis, Seventh Edition
- The assembly department started the month with 468,000 units in its beginning work in process inventory. An additional 1,524,000 units were transferred in from the prior department during the month to begin processing in the Assembly Department. There were 126,000 units in the ending work in process inventory of the Assembly Department. How many units were transferred to the next processing department during the month? a. 1,992,000 b. 1,992,000 c. 2,118,000 d. 1,866,000 e. 1,398,000 f. 1,182,000arrow_forwardCurrently a company that designs Web sites has five customers in its backlog. The time since the order arrived, processing time, and promised due dates are given in the following table. The customers are ready to be scheduled today, which is the start of day 190. Customer Time Since Order Arrived (days ago) Processing Time (days) Due Date (days from now) Upper AA 6 18 66 Upper BB 3 24 58 Upper CC 2 32 100 Upper DD 10 22 26 Upper EE 8 12 50 a. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average days past due. Part 2 Using the FCFS (first come, first served) decision rule for sequencing the customers, the order is: Sequence 1 2 3 4 5 Customer D E A B C Part 3 Using…arrow_forwardScenario The KOREAN factory of Hi-Tech Metal, Inc. primarily manufactures plumbing system parts for gas pipes, drainage pipes, water supply pipes and hoses etc. A mainframe computer was used for scheduling, but it took a lot of time and unnecessarily put heavy workload on scheduling managers and on-site workers. Following are the associated problems to meet customers’ needs Lengthy 3 to 4 days schedule drafting time, caused by mainframe computer’s long processing time. Inflexibility of mainframe computer to sudden order changes, leading to tedious manual calculation and direct on-site adjustment Extra workload for on-site workers One-month base scheduling that cannot meet customers’ need, Task 3 Considering above scenario identify the manufacturing system for the components [Based on the stakeholder, strategic goals , explain the manufacturing system]arrow_forward
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