Practical Operations Management
2nd Edition
ISBN: 9781939297136
Author: Simpson
Publisher: HERCHER PUBLISHING,INCORPORATED
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Question
Chapter 14, Problem 7P
Summary Introduction
Interpretation:
Whether
Concept Introduction:
Forward scheduling is the planning of the completion date for the task given. It is done when the task is to be started. Backward scheduling is the planning of the starting date for the task from the due date. It is done in the opposite direction of forward scheduling.
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When compared to Shortest Job First Scheduling, in what ways does Priority Scheduling function similarly?
How does Priority Scheduling compare to Shortest Job First Scheduling?
Which aspects of Priority Scheduling are comparable to those of Shortest Job First Scheduling?
Chapter 14 Solutions
Practical Operations Management
Ch. 14 - Prob. 1DQCh. 14 - Prob. 2DQCh. 14 - Prob. 3DQCh. 14 - Prob. 4DQCh. 14 - Prob. 5DQCh. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - Prob. 3PCh. 14 - Prob. 4PCh. 14 - Prob. 6P
Ch. 14 - Prob. 7PCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 10PCh. 14 - Prob. 11PCh. 14 - Prob. 12PCh. 14 - Prob. 13PCh. 14 - Prob. 14PCh. 14 - Prob. 15PCh. 14 - Prob. 16PCh. 14 - Prob. 17PCh. 14 - Prob. 18PCh. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Prob. 21PCh. 14 - Prob. 22PCh. 14 - Prob. 23PCh. 14 - Prob. 24PCh. 14 - Prob. 25PCh. 14 - Prob. 26PCh. 14 - Prob. 27PCh. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 1.1QCh. 14 - Prob. 1.2QCh. 14 - Prob. 1.3QCh. 14 - Prob. 1.4Q
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- Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived: Job VWX Y Z Processing Time (hrs) 7 1 9 3 5 Due (hrs from now) 5 1 4 2 3 If Eva uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average completion time?arrow_forwardThe scheduling law should be used in bottleneck work centres and which should be used in non-bottleneck work centres?arrow_forwardUsing the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery)= 22 hours (enter your response as a whole number). Using Johnson's rule for 2-machine scheduling, the sequence is 3-2-1 For the schedule developed using the Johnson's rule, the total length of time taken to complete the three suits (including delivery)= hours (enter your response as a whole number). D Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits Times Taken for Different Activities (hours) Cut and Sew Suit 1 2 3 5 Deliver 2 3 6 D Assume that orders for suits have been listed in the above table in the order in which they were received.arrow_forward
- Using Johnson's rule for 2-machine scheduling, the sequence is: Scheduled Order Job 1 ▼ B C E F A D Part 2 2 ▼ F C A D B E Part 3 3 ▼ A B D F C E Part 4 4 ▼ E D C B F A Part 5 5 ▼ F C D A E B Part 6 6 ▼ D C F B E A Part 7 For the schedule developed using Johnson's rule, the total length of time taken to complete the six jobs (including the 2nd operation) = enter your response here hours (enter your response as a whole number). ... Question content area right Part 1 Six jobs are to be processed through a two-step operation. The first operation involves sanding, and the second involves painting. Processing times are as follows: Job Operation 1 (hours) Operation 2 (hours) A 4 8 B 10 5 C 3 11 D…arrow_forwardThe owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received: Job processing time hrs due from now W 4 4 X 3 5 Y 2 2 Z 1 1 If he uses the earliest due date first priority rule to schedule these jobs, what will be the average job tardiness?arrow_forwardRon Satterfield's excavation company uses both Gantt scheduling charts and Gantt load charts. Today, which is the end of day 7, Ron is reviewing the Gantt chart depicting these schedules: Day Job #151 was scheduled to begin on day 3 and to take 6 days. It got started on time and is 1 day ahead of schedule. Job #177 was scheduled to begin on day 1 and take 4 days. It is currently on time. Job #179 was scheduled to start on day 7 and take 2 days. It actually got started on day 6 and is progressing according to plan. Job #211 was scheduled to begin on day 5, but missing equipment delayed it until day 6. It is progressing as expected and should take 3 days. Job #215 was scheduled to begin on day 4 and take 5 days. It got started on time but has since fallen behind 2 days. Job 12 3 4 56 789 10 11 -- 151 177 + This exercise contains only part a. 179 a) Add the actual progress to the Gantt schedule shown on the right (on which the planned timings have been already plotted). Using the line…arrow_forward
- How does the theory of constraints differ from traditional scheduling? How should bottleneck resources and nonbottleneck resources be scheduled? Why should transfer batches and process batches be treated differently?arrow_forwardUsing the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery)= hours (enter your response as a whole number). Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Deliver Suit Cut and Sew 1 2 Assume that orders for suits have been listed in the above table in the order in which they were receivedarrow_forward
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