Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 18, Problem 8PA
Summary Introduction
To determine: The job that would be processed second as per WSPT rule.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Given the information below, determine the following:(A) Processing sequence using (1) SPT and (2) EDD. (B) Average completion time and average job tardiness using (1) SPT and (2) EDD.
. Assume the jobs displayed in Table 18.22 need to be processed on a single resource andare sequenced with the WSPT rule. Which job would be processed second?a. Ab. Bc. Cd. De. E
Given the data below, using the SPT heuristic sequencing rule, determine the completion date and tardiness for each job as well as the average completion time and average tardiness for all four jobs. Which of the following statements is true?
Job
Processing time (days)
Due date (in days)
A
10
10
B
5
8
C
15
25
D
8
15
a.Jobs B and D will have no tardiness
b.The tardiness for Job A is 12 days
c.The average tardiness is 19.75
d.The average completion time is 6.5
Chapter 18 Solutions
Operations Management
Ch. 18 - Prob. 1CQCh. 18 - Prob. 2CQCh. 18 - Prob. 3CQCh. 18 - Prob. 4CQCh. 18 - Prob. 5CQCh. 18 - Prob. 6CQCh. 18 - With weighted shortest processing time, jobs are...Ch. 18 - Prob. 8CQCh. 18 - Prob. 9CQCh. 18 - Prob. 10CQ
Ch. 18 - Prob. 11CQCh. 18 - Prob. 12CQCh. 18 - Prob. 13CQCh. 18 - Prob. 14CQCh. 18 - Prob. 15CQCh. 18 - Prob. 16CQCh. 18 - Prob. 1PACh. 18 - Prob. 2PACh. 18 - Prob. 3PACh. 18 - Prob. 4PACh. 18 - Prob. 5PACh. 18 - Prob. 6PACh. 18 - Prob. 7PACh. 18 - Prob. 8PACh. 18 - Prob. 9PACh. 18 - Prob. 10PACh. 18 - Prob. 11PACh. 18 - Prob. 12PACh. 18 - Prob. 13PACh. 18 - Prob. 14PACh. 18 - Prob. 15PACh. 18 - Prob. 1CCh. 18 - Prob. 2CCh. 18 - Prob. 3CCh. 18 - Prob. 4C
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
- Assume the jobs displayed in Table 18.22 need to be processed on a single resource andare sequenced with the WSPT rule. What is the average flow rate of the jobs (in jobs perminute)?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_forwardA key part of work center scheduling is job sequencing—deciding in what order jobs are scheduled to start/complete. What is the term for the simple rules used to aid this process using a single piece of data about the jobs?arrow_forward
- The maximum cycle time is the sum of all task times when the tasks are running in series (one by one). Select one: O a. TRUE O b. FALSEarrow_forwardThe 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_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_forward
- 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.arrow_forwardGiven the following data for the processing time in hours for each Job in eachMachine, determine the following:a. Optimal job flow sequenceb. Total span time and idle timeNeed answer asap. Please include the solution/computation. Thank you.arrow_forwarda) Using the FCFS (first come, first served) decision rule for sequencing the jobs, the order is (assume that jobs came in the order in which they are listed in the table):SequenceJob1▼ DACB Part 22▼ BCDA Part 33▼ ADCB Part 44▼ ACBD Part 5The average tardiness (job lateness) for the sequence developed using the FCFS rule = enter your response here days (round your response to two decimal places).Part 6The average completion time (flow time) for the sequence developed using the FCFS rule = days (round your response to two decimal places).The percentage utilization for the sequence developed using the FCFS rule = % (enter your response as a percentage rounded to two decimal places).Part 8b) Using the SPT (shortest processing time) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received):SequenceJob1▼ ADBC 2▼ DBAC 3▼ CABD 4▼ ABCD The average tardiness (job lateness) for the sequence developed using…arrow_forward
- A manutacturer is designing a product layout for a new product production. It plans to use a production line for B hours per day in order to meet forecasted demand of 100 units per day. The product requires 7 lasks in total. These tasks are namely, A, 8, CD, E, F, and G respectively. Task A does not have any predecessor to start. To start Task B, it requires Task A to be completed Starting tasks Cneeds, the tack B to be completed. Also, starting task D needed task B to be completed Task E can only start upon completion of Task C. Whescas starting lask F needs the completion of both the tasks D and E Finally, starting task G needed, task Fto be completed. 1the processing times for tasks, A BC D, E F, andG are 28, 2.1, 0.9, 1.0, 1.2, 1.8, are 4.7 minutes respectively. Applying the most following tasks nule for balancing the assembly line, with ties broken according to longest task time first, the tasks that will be assigned to the FIRST workstation are Select one OaAB, and C ODAB Oc None…arrow_forwardAt the campus copy shop, six jobs have arrived in the order shown (A, B, C, D, E, and F) at the beginning of the day 1 (today, which is a work day). All of the jobs are due at various times today. Your job is to evaluate four common sequencing rules. JOB DUE (IN HOURS) DURATION (HOURS REQUIRED) A 8 (this job is due in 8 hours) 1.65 B 5.5 (this job is due in 5.5 hours) 1.20 C 4.5 (this job is due after lunch in 4.5 hours) 0.85 D 6 (this job is due in 6…arrow_forwardAn independent accountant is planning to prepare tax returns for six of her clients.Prior to her actually preparing each return, her secretary checks the client’s file to besure all the necessary documentation is there and obtains all the tax forms needed forthe preparation of the return. Based on past experience with the clients, her secretaryestimates that the following times (in hours) are required for preparation of the returnand for the accountant to complete the necessary paperwork prior to filing each return:Client Secretary Time Accountant Time1 1.2 2.52 1.6 4.53 2.0 2.04 1.5 6.05 3.1 5.06 0.5 1.5In what order should the work be completed in order to minimize the total timerequired for all six clients?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 EducationOperations 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 LearningProduction 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