Practical Operations Management
2nd Edition
ISBN: 9781939297136
Author: Simpson
Publisher: HERCHER PUBLISHING,INCORPORATED
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 14, Problem 16P
Summary Introduction
Interpretation:
Makespan of the
Concept Introduction:
A makespan is the time duration which is calculated by taking the difference between the end time and the start time of the project.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Three jobs are to be scheduled on two machines A and B. Assume that the jobs are processed in the sequence A-B (A has to finish the job before B can continue the job). The processing times are:
Job
A
B
1
5
4
2
7
7
3
3
5
Draw a Gantt chart that shows the schedule corresponding to the sequence 1-2-3 of the jobs.
Ron 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…
What is the key distinction between a serial timetable and a schedule that is capable of being serialized?
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
Knowledge Booster
Learn more about
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
- Five jobs must be scheduled for batch processing on a mainframe computer system. The processing times and the promised times for each of the jobs are listedhere.Job 1 2 3 4 5Processing time 40 min 2.5 hr 20 min 4 hr 1.5 hrPromised time 11:00 A.M. 2:00 P.M. 2:00 P.M. 1:00 P.M. 4:00 P.M.Assume that the current time is 10:00 A.M.a. If the jobs are scheduled according to SPT, find the tardiness of each job and themean tardiness of all jobs.b. Repeat the calculation in part (a) for EDD schedulingarrow_forwardResource-limited scheduling: is used to develop the shortest schedule when the quantity of resources is fixed is used to minimize the fluctuations in requirements for resources keeps a project on budget keeps a project within its required completion time a & d above b & d abovearrow_forwardThomas has four assignments due in class tomorrow, and his class times are as follows. Class Time Marketing 304 8 am OM 385 10 am Finance 216 2 pm Psychology 4:30 pm Each class lasts one hour, and Thomas has no other classes. It is now midnight, and Thomas estimates that the marketing, OM, finance, and psychology assignments will take him six, three, four, and two hours, respectively. Use the Excel Sequencing template to determine how he should schedule the work. Can he complete all of it on time? (Hint: Using SPT and EDD. First, convert times to due dates past midnight).arrow_forward
- Which are the Principles of Workcenter Scheduling?arrow_forwardPriority Scheduling resembles Shortest Job First Scheduling in what ways?arrow_forwardDe Law Construction has a gotten some construction jobs to build some starter housing units in a few areas. The building time for each housing unit to be completed as well as the date that each unit is to be completed is shown in the table below. Today is Day 471. Which of the sequences, EDD OR SPT should the company use to sequence the order in which they do the jobs, assuming that because of resource constraints it cannot do the jobs simultaneously? HOUSING UNIT Building Time (days) Due Date Marabella 39 Day 502 Tabaquite 23 Day 528 San Juan 30 Day 515 Mayaro 33 Day 498 D’Abadie 41 Day 535 Preysal 40 Day 510 Some time after starting the jobs according to the sequence you decided on, it was found that because of inclement weather the last three housing units in the sequence have been delayed. You now have to prioritise and decide in which order to expedite those three jobs, using the Critical Ratio model. It is now…arrow_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_forwardUsing Johnson's rule for 2-machine scheduling, the sequence is: Scheduled Order Job 1 C 2 B 3 E 4 A 5 D 6 F For the schedule developed using Johnson's rule, the total length of time taken to complete the six jobs (including the 2nd operation) = nothing hours (enter your response as a whole number).arrow_forwardUsing the FCFS rule for scheduling, the sequence is ▼ 1-3-2 3-1-2 1-2-3 2-1-3 2-3-1 3-2-1 . Part 2 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery) = enter your response here hours (enter your response as a whole number). Part 3 Using Johnson's rule for 2-machine scheduling, the sequence is ▼ 3-1-2 1-2-3 2-1-3 3-2-1 2-3-1 1-3-2 . Part 4 For the schedule developed using the Johnson's rule, the total length of time taken to complete the three suits (including delivery) = enter your response here hours (enter your response as a whole number). Part 5 Of the two developed schedules, ▼ Johnson's the FCFS rule gets the schedule finished sooner. ... Question content area right Part 1 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…arrow_forward
- The higher levels of the work breakdown structure (WBS) represent increasing amounts of detail while the lower levels represent broad categories of activities. True or False True False Duration is defined as the time from the beginning to the end of an activity. True or False A common resource constraint is availability. True or False Group of answer choices True False The _____ schedule is a summary level schedule that encompasses the entire project scope. Group of answer choices original milestone procurement master conceptual Which of the following is NOT true about a master schedule? Group of answer choices If the project is chosen, a master schedule is created. It has major events and dates such as starting date, important events, and the completion date. The master schedule is rarely part of a contract. Changes to the schedule must be approved using a documented change process with…arrow_forwardThree jobs are to be scheduled on two machines A & B . Assume that the jobs are processed in the Sequence A-B. The processing times are : The Question is : Draw a Gantt Chart that shows the Schedule Corresponding to the sequences 1-2-3 of the jobs Job A B 1 5 4 2 7 7 3 3 5arrow_forwardWhen compared to Shortest Job First Scheduling, in what ways does Priority Scheduling function similarly?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,
Operations ManagementOperations ManagementISBN:9781259667473Author:William J StevensonPublisher:McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi...Operations ManagementISBN:9781259666100Author:F. Robert Jacobs, Richard B ChasePublisher:McGraw-Hill Education
Purchasing and Supply Chain ManagementOperations ManagementISBN:9781285869681Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. PattersonPublisher:Cengage Learning
Production and Operations Analysis, Seventh Editi...Operations ManagementISBN:9781478623069Author:Steven Nahmias, Tava Lennon OlsenPublisher:Waveland Press, Inc.
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
Operations Management
Operations Management
ISBN:9781259667473
Author:William J Stevenson
Publisher:McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi...
Operations Management
ISBN:9781259666100
Author:F. Robert Jacobs, Richard B Chase
Publisher:McGraw-Hill Education
Purchasing and Supply Chain Management
Operations Management
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Cengage Learning
Production and Operations Analysis, Seventh Editi...
Operations Management
ISBN:9781478623069
Author:Steven Nahmias, Tava Lennon Olsen
Publisher:Waveland Press, Inc.
Inventory Management | Concepts, Examples and Solved Problems; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=2n9NLZTIlz8;License: Standard YouTube License, CC-BY