OPERATIONS MANAGEMENT CONNECT AC
14th Edition
ISBN: 9781264592784
Author: Stevenson
Publisher: MCG
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Question
Chapter 16, Problem 11P
a)
Summary Introduction
To determine: The processing sequence required to minimize the time.
Introduction: Johnson’s rule helps to determine the processing sequence that would minimize the overall time of the process. It would
b)
Summary Introduction
To construct: The chart of the resulting sequence to determine the idle time.
Introduction:Johnson’s rule helps to determine the processing sequence that would minimize the overall time of the process. It would schedule the jobs in two work centers and it would determine the optimal sequence.
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Given the operation times provided:
Develop a job sequence that minimizes idle time at the two work centers.
b. Construct a chart of the activities at the two centers, and determine each one’s idle time, assuming no other activities are involved
Given the operation times provided:a. Develop a job sequence that minimizes idle time at the two work centers.b. Construct a chart of the activities at the two centers, and determine each one’s idle time,assuming no other activities are involved.JOB TIMES (minutes)A B C D E FCenter 1 20 16 43 60 35 42Center 2 27 30 51 12 28 24
The following table contains information regarding jobs that are to be scheduled through one
machine. Assume jobs are listed in order of arrival (i.e., A, then B, then C, etc.).
PROCESSING
JOB TIME (DAYS)
ABCDEFG
Α
3
16
с
11
622845
DUE
DATE
24
21
19
18
17
6
8
(Round your answers to Part e to 1 decimal place. Enter your answers to Parts a-d as whole
numbers.)
a. What is the first-come, first-served (FCFS) schedule?
Job
Flow Time
Chapter 16 Solutions
OPERATIONS MANAGEMENT CONNECT AC
Ch. 16 - Why is scheduling fairly simple for repetitive...Ch. 16 - Prob. 2DRQCh. 16 - What are Gantt charts? How are they used in...Ch. 16 - Prob. 4DRQCh. 16 - Briefly describe each of these priority rules: a....Ch. 16 - Why are priority rules needed?Ch. 16 - What problems not generally found in manufacturing...Ch. 16 - Explain forward and backward schedulings and each...Ch. 16 - Prob. 9DRQCh. 16 - Prob. 10DRQ
Ch. 16 - Prob. 11DRQCh. 16 - What general trade-offs are involved in sequencing...Ch. 16 - Prob. 2TSCh. 16 - Prob. 3TSCh. 16 - One approach that can be effective in reducing the...Ch. 16 - Doctors and dentists offices frequently schedule...Ch. 16 - Prob. 3CTECh. 16 - Use the assignment method to determine the best...Ch. 16 - Rework Problem 1, treating the numbers in the...Ch. 16 - Assign trucks to delivery routes so that total...Ch. 16 - Develop an assignment plan that will minimize...Ch. 16 - Use the assignment method to obtain a plan that...Ch. 16 - The following table contains information...Ch. 16 - Using the information presented in the following...Ch. 16 - The following table shows orders to be processed...Ch. 16 - A wholesale grocery distribution center uses a...Ch. 16 - The times required to complete each of eight jobs...Ch. 16 - Prob. 11PCh. 16 - A shoe repair operation uses a two-step sequence...Ch. 16 - The following schedule was prepared by the...Ch. 16 - The production manager must determine the...Ch. 16 - A foreman has determined processing times at a...Ch. 16 - Given the information in the following table,...Ch. 16 - Given the following information on job times and...Ch. 16 - Prob. 18PCh. 16 - The following table contains order-dependent setup...Ch. 16 - The following table contains order-dependent setup...Ch. 16 - Prob. 21PCh. 16 - Given this information on planned and actual...Ch. 16 - Given the following data on inputs and outputs at...Ch. 16 - Determine the minimum number of workers needed,...Ch. 16 - Determine the minimum number of workers needed,...Ch. 16 - Determine the minimum number of workers needed,...Ch. 16 - Prob. 1CQ
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Similar questions
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- The day when the order arrived, processing time, and promised due dates are given in the following table. The jobs are listed in the order of arrival. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average past due days. Make a comment.arrow_forward17-13. Jobs processed through Percy's machine shop pass through three operations: milling, grinding, and turning. The hours required for each of these operations is as follows: Job Milling Grinding Turning A 5 1 4 B 2 2 5 C 3 2 1 D 1 3 E 1 2 Sequence the job by (a) FCFS and (b) shortest processing time (SPT). Make a Gantt chart for each machine and each rule. Which sequencing rule would you recommend?arrow_forwardIf the cycle time is 65.4 seconds and A is assigned as the first task in Workstation #1, what is the idle time after assigning task A? Task Task Time (seconds) Tasks That Must Precede Other Tasks Number of Following Tasks A 28 - 7 B 13 - 8 C 35 B 7 D 11 A 6 E 20 C 6 F 6 D, E 5 G 23 F 3 H 25 F 2 I 37 G 1 J 11 G, H 1 K 27 I, J 0 Total 236 a. 26.9 minutes b. 37.4 seconds c. 28.5 seconds d. 31.6 seconds e. 57.6 secondsarrow_forward
- Sequence Job 1 2 3 4 5 The total flow time for the sequence developed using the EDD rule = response to two decimal places). days (round your The percentage utilization for the sequence developed using the EDD rule = ☐ % (enter your response as a percentage rounded to two decimal places). The average number of jobs in the system for the sequence developed using the EDD rule = jobs (round your response to two decimal places). The average tardiness (job lateness) for the sequence developed using the EDD rule = (round your response to two decimal places). days 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):arrow_forwardGlaudious is 45 years old university internship coordinator. He is handling 80 interns and he would like to perform the following tasks in an easy and fast way. He also encountered an accident a year ago which caused his right leg to have a bone minor fracture which caused him to limit the place he can go. He would like that he can perform the tasks anytime and anywhere. Below are the tasks of Prof Glaudios. 1) He registers the students undergoing internship, this includes the term in a schoolyear, the company name where the student is undergoing internship, directsupervisor of the intern, start of duty, Number of Hours of duty per day, andthe Job of the student-intern in the company. 2) He will also view the following: a) Individual internship record in a term-sem-school year b) Interns details in a company using the Professor Glaudious Scenario, provide the requirements specification: a. Functional b. Data c. Environmental d. User e. Usabilityarrow_forwardGlaudious is 45 years old university internship coordinator. He is handling 80 interns and he would like to perform the following tasks in an easy and fast way. He also encountered an accident a year ago which caused his right leg to have a bone minor fracture which caused him to limit the place he can go. He would like that he can perform the tasks anytime and anywhere. Below are the tasks of Prof Glaudios. 1) He registers the students undergoing internship, this includes the term in a schoolyear, the company name where the student is undergoing internship, directsupervisor of the intern, start of duty, Number of Hours of duty per day, andthe Job of the student-intern in the company. 2) He will also view the following: a) Individual internship record in a term-sem-school year b) Interns details in a company Based on the scenario above, model the tasks of Prof Glaudious by creating a Task Analysis.arrow_forward
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