Which of the following dispatching rules tends to minimize job flow time?
A) FCFS: first come, first served
B) SPT: shortest processing time
C) EDD: earliest due date
D) LPT: longest processing time
E) FCLS: first come, last served
Answer: B) SPT: shortest processing time
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Management Chapter 15
- Which of the following is TRUE regarding services scheduling?
- Which of the following is NOT tracked by scheduling optimization systems used in retail stores?
- A recent advance in short-term scheduling that makes use of expert systems and simulation in solving dynamic scheduling problems is:
- Which of the following is a limitation of rules-based dispatching systems?
- When a set of jobs must pass through two workstations whose sequence is fixed, ________ is the sequencing rule most commonly applied.
- What does the use of the shortest processing time sequencing rule generally produce?
- Which of the following is an advantage of the FCFS dispatching rule when used in services?
- What is the priority rule that sequences jobs using the smallest ratio of due date from today to processing time?
- Which critical ratio value implies that a job is already late?
- Eight jobs have been sequenced at a single work center. Total processing time for the eight jobs is 34 hours, and total flow time for the sequence is 85 hours. For this schedule, utilization is ________ and the average number of jobs in the system is ________.
- Average completion time for a schedule sequence at a work center is the ratio of:
- Flow time represents the time:
- Sequencing (or dispatching):
- Which of the following dispatching rules ordinarily gives the best results when the criterion is lowest time for completion of the full sequence of jobs?
- Orders are processed in the sequence in which they arrive if (the) ________ rule sequences the jobs.
- Using LPT priority would result in what sequence for Jobs A, B, C, and D if their process times are 4, 6, 5, and 2 respectively?
- EDD stands for what?
- If an assignment problem consists of 5 workers and 4 projects:
- If an assignment problem consists of 6 workers and 7 projects:
- What is a method of input-output control that uses a system of cards to limit the amount of work at a work center and also to control lead time and monitor backlog?
- Which of the following is an aid used to monitor jobs in progress?
- If job 5 takes 3, 4 or 5 hours to be completed by workers A, B, and C, respectively, what would the row values for job 5 be after performing Step 1A of the assignment method?
- There are two jobs to be assigned to two workers. The profit for worker A on job 1 is $5 and on job 2 is $8. The profit for worker B on job 1 is $10 and on job 2 is $12. How should the work be divided using the assignment method?
- What is a scheduling technique used to achieve an optimum, one-to-one matching of tasks and resources?