EBK OM
6th Edition
ISBN: 9781305888210
Author: Collier
Publisher: YUZU
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Question
Chapter 14, Problem 14PA
A
Summary Introduction
Interpretation:A sequencing schedule is to be developed so that exterior detailing can be done and total completion time is minimized.
Concept Introduction: The process of planning the order of the activities to be carried for execution of a task based on certain elements such as, priority, set up time etc. is referred to as sequencing.
B
Summary Introduction
Interpretation: A Gantt chart is to be drawn the idle time is to be evaluated using the Gantt chart.
Concept Introduction: Named after its inventor, the Gantt chart is a kind of bar chart that depicts a project schedule.
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Job times which includes processing and set up times are shown below:
Job Job Time (bs)
Due Date (bs)
15
24
20
8
6
A
>
B
C
D
12
6
14
3
7
B
Using FCFS, determine the average flowtime
What is the Work Breakdown Structure (WBS) for the parking reservation system? Tell me what I should do.
Given the projects displayed in Table 18.21, if SPT is used to sequence the jobs, what isthe average inventory of the projects (in projects)?
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- What's the most common mistake people make when calculating start and finish times? Give a specific example.arrow_forwardRon Satter field's excavation company uses bothGantt scheduling charts and Gantt load charts.a) Today, which is the end of day 7, Ron is reviewing the Ganttchart depicting these schedules:• Job # 151 was scheduled to begin on day 3 and to ta ke6 days. As of now, it is I day ahead of schedule.• Job# 177 was scheduled to begin on day J and take 4 days.It is currently on time.• Job #1 79 was scheduled to start on day 7 and take 2 days. Itactually got started on day 6 and is progressing according toplan.• Job #211 was scheduled to begin on day 5, but missingequipment delayed it until day 6. It is progressing asexpected and should take 3 days.• Job #215 was scheduled to begin on day 4 and take 5 days.It got sta rted on time but has since fallen behind 2 days.Draw the Gantt scheduling chart for the activities described.b) Ron now wants to use a Ga ntt load chart to see how muchwork is scheduled in each of his three work teams: Able,Baker, and Charlie. Five jobs constitute the current…arrow_forwardRon Satterfield’s excavation company uses bothGantt scheduling charts and Gantt load charts.a) Today, which is the end of day 7, Ron is reviewing theGantt chart depicting these schedules:◆ Job #151 was scheduled to begin on day 3 and to take6 days. As of now, it is 1 day ahead of schedule.◆ Job #177 was scheduled to begin on day 1 and take4 days. It is currently on time.◆ Job #179 was scheduled to start on day 7 and take2 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 asexpected and should take 3 days.◆ Job #215 was scheduled to begin on day 4 and take5 days. It got started on time but has since fallen behind2 days.Draw the Gantt scheduling chart for the activities above.b) Ron now wants to use a Gantt load chart to see how muchwork is scheduled in each of his three work teams: Able,Baker, and Charlie. Five jobs constitute the current workload for…arrow_forward
- 17.10. Today is day 4 of the planning cycle. Sequence the following jobs by FCFS, SPT, SLACK, and DDATE. Calculate the mean flow time and mean tardiness for each sequencing rule. Which rule would you recommend? Processing Time (in days) Job Due Date A 3 10 10 12 25 D 4 8. 15 F 8. 18 7 20 Lenly onearrow_forwardJob times which includel processing and set up times are shown below: Job Job Time (bs) Due Date (bs) A 15 B 24 C D B 12 6 14 3 7 20 8 6 Determine the sequence using Critical Ratio Methodarrow_forwardGiven the projects displayed in Table 18.21, if SPT is used to sequence the jobs, what isthe average flow time of the projects (in hours)?arrow_forward
- Provide the difference between Slack time and Cycle-time efficiency. There are how many ways to compute the Cycle time? Explain only one way.arrow_forwardJob times which includes processing and set up times are shown below: Job Job Time (brs) Due Date (bs) 15 24 20 AMUO А B C 12 6 14 3 7 D B Using FCFS, determine the average tardiness 6arrow_forwardTIme lert 1:08:20 tion A local toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed. The daily demand is 120 toys. Times of the tasks are 2.73, 2.01, 2.13, 2.0, 2.61, 2.71, and 2.95 minutes for A, B, C, D, E, F, and G, respectively. However, due to the nature of the product there are precedence rules that must be observed. Such that Task A does not need any predecessors; task B requires task A to be completed. To start task C and task D, each require task B to be completed. Task C must be completed prior to stating task E. Task F needs both task D and task E to be completed. Finally, task G can out of start only once task F is completed.What is the minimum number of workstations needed? O a. 8 O b. 6 O c. 5 O d. None of them e. 4 Fir NEXT PAGE EVIOUS PAGEarrow_forward
- The following table contains information regarding jobs that are to be scheduled through one machine: Job Processing Time (Days) Due date A 4 20 B 12 30 C 2 15 D 11 16 E 10 18 F 3 5 G 6 9 Qus 1: Find the FCFS Schedule? Qus 2: Find the SOT Schedule? Qus 3:Find the DDate Schedule? Qus 4: What are the mean flow time and average lateness for each of the schedule above? Qus 5: Which priority rule is appropriate for job scheduling? Justify your answer.arrow_forwardName live priority sequencing rules. Explain how each worksto assign jobs.arrow_forwardGiven the jobs displayed in Table 18.17, if SPT is used to sequence the jobs, what is theaverage flow time of jobs in the system?arrow_forward
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