Concept explainers
a)
To determine: Thejob sequence, flow time, utilization metric, average number of jobs, and average lateness for EDD, SPT, LPT, and FCFS.
Introduction:
b)
To determine: The dispatching rule that has the best score in flow time.
Introduction: Scheduling is the process of controlling and arranging the workloads of the production process using the optimized way. It is used to plan on allocating human resources and machinery.
c)
To determine: The dispatching rule that has the best score in utilization metric.
Introduction: Scheduling is the process of controlling and arranging the workloads of the production process using the optimized way. It is used to plan on allocating human resources and machinery.
d)
To determine: The dispatching rule that has the best score in average lateness.
Introduction: Scheduling is the process of controlling and arranging the workloads of the production process using the optimized way. It is used to plan on allocating human resources and machinery.
e)
To determine: The dispatching rule that would be selected by Person X.
Introduction: Scheduling is the process of controlling and arranging the workloads of the production process using the optimized way. It is used to plan on allocating human resources and machinery.
Want to see the full answer?
Check out a sample textbook solutionChapter 15 Solutions
EBK OPERATIONS MGMT.
- Question Scenario: Early one Monday morning in Jamaica, Susan, a Restaurant Manager starts getting ready for the morning’s work operations. She is particularly happy because tonight he has a date with Marvin, the new Chef that was recently hired. The problem, as Susan sees it, is that Roberta, another Restaurant employee has been just a little too friendly with Marvin lately and that really upsets Susan. Susan has redone the work schedule, assigning Roberta the clean-up shift in the night and cutting back on her hours of work. She is hoping that Roberta would simply quit and out of her way. However, that plan doesn’t seem to be working. Despite a lighter pay cheque and frequent reprimand through the disciplinary process of creating reasons to write to her about her conduct and performance. Roberta has decided to quit her studies due to her inability to fund her tuition. A few days later, Susan noticed Marvin and Roberta having lunch together in the staff dining room. Susan got furious…arrow_forwardQuestion Three Processing times (including setup times), and due dates for five jobs waiting to be processed at a work center are given in the following table. By Using the SPT rule determine the following: The sequence of jobs The average flow time The average job tardiness The average number of jobs at the work center Job Processing Time (hours) Hour Due A 17 15 B 10 25 C 5 20 D 7 32 E 11 38arrow_forwardQuestion 5The management of CDC Construction Pioneers have decided to build 900 new apartments in the Kasoa area due to the influx of immigrant workers into the country. Two Architectural Companies have provided building plans and technical schematics for the project. Management are happy with the proposals of both Standard apartment and Deluxe apartment. After investigating the steps involved in construction, management determined that each apartment complex built will require some resources. Management analysed each of the bids and concluded that if the plans of Standard apartment are built, it requires 0.7 days in foundation works, 0.5 days in the masonry, 1 day in finishing, and 0.1 days in painting works. Deluxe apartment will require 1 day in foundation works, 0.83 days in the masonry, 0.67 days in finishing, and 0.25 days in the painting works. Management estimate that, 630 days for foundation works, 600 days for masonry, 708 days for finishing and 135 days for 11painting works…arrow_forward
- Need help with question 3 show workinarrow_forwardQuestion 4: Six jobs waiting at a workstation will be processed in order, starting with the one with the shortest break time. In the table below, the time elapsed since the arrival of the works, the time remaining to the delivery and the processing time are given. According to this, create the work order and fill in the data in the relevant table.(fill in the second table in the photos)a) What is the average delay time with the generated order?b) How many hours is the average flow time?c) How many jobs will be delayed?d) How many jobs will not be delayed?arrow_forwardQuestion 35 Consider the processing times and due dates of the following jobs: Job Processing time (days) Due date (days) 1 3 29 2 19 25 3 24 40 4 8 20 What is the average lateness if the earliest due date (EDD) is used to sequence the jobs? Group of answer choices 0.75 1.25 4.25 5.67arrow_forward
- Which of the following is a linear program? Question 5 options: a. min 0.5x1+3x2 (0.99x1+x2)/x2≥2.7 x1−x2≤8 x1≥0 x2= free b. min 0.5x1+3x2 (0.99x1+x2)/x2≥2.7 x1−x2≤8 x1≥0 x2≥1.5 c. max 0.5x1+3x2 0.99x1+x2≥2.7 x1−x2<8 x1,x2≥0 d. min 0.5x1+3x2 x1+1.35x2=2.7 x1≥0 x2= freearrow_forwardQuestion 1 Four floral arranging jobs are to be carried out across three stations: A (Arrange), B (Bag), C (crop) shown. The station sequences and job times in minutes are shown below, along with the due dates for each job. Using an "earliest due date" job dispatching priority rule, which, if any, of the jobs in will be late? Tip: create a Gantt chart schedule before answering Questions 4 & 5. a. Jobs 2 & 3 b. Jobs 3 & 4 c. Job 3 d. Job 4 e. None of the jobs will be latearrow_forwardQuestion 5 Tasty Tim’s Tasty Tim’s is a specialty taco restaurant. The following tasks are required for the successful assembly of a Tasty taco (times are in seconds per taco): Chop and trim meat – 30 Chop vegetables – 20 Grill meat – 240 Grill vegetables – 180 Prepare toppings - Lettuce - 10 - Tomato - 15 - Guacamole - 40 Assemble taco - Add meat - 5 - Add vegetables - 5 - Add cheese - 5 - Add toppings - 10 Wrap taco - 20 During the lunch hour, Tasty Tim’s encounters demand for 120 tacos. In an ideal world, how many workers should Tim hire to make tacos?arrow_forward
- Question 15 kk .Whether you believe a one-page website is the best option for your particular website you are building in the course. Be sure to both explain your position based on your experience and provide support for your position with what you found in your research. Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this linearrow_forwardQuestion text Which of the following detail the exact manner in which any work is to be performed? a. Methods b. Procedures c. Programmes d. Purposearrow_forwardQuestion3: Two processes are applied in the same order to the jobs coming to a workstation. The durations of both processes for the six jobs coming to the workstation are as seen in the table. In order to minimize the total time to be spent on the jobs, the order in which the jobs should be done will be determined by the "johnson" rule. Accordingly, in the table below, write the order in which the business should do the work, in order, with the first things to be done on the far left, and one action to be written in each blank.1-) When the jobs are done in this order, how many minutes will it take to complete all the jobs?2-)1. How many minutes of space will there be in total in the process and the 2nd process?arrow_forward
- 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.