OPERTATIONS MGMT:SUSTAINABILITY
2nd Edition
ISBN: 9781323751718
Author: HEIZER
Publisher: PEARSON
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Chapter 15, Problem 23P
Summary Introduction
To determine: Thesequence that would minimize the total completion time.
Introduction: The Gantt chart is the kind of chart that is used to represent the amount of job done within a particular period. It is used to graphically represent the amount of job planned and done in a certain period.
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Six jobs are to be processed through a two-stepoperation. The first operation involves sanding, and the second involves painting. Processing times are as follows:
Determine a sequence that will minimize the total completiontime for these jobs. Illustrate graphically.
Six jobs are to be processed through a two-step opera- tion. The first operation involves sanding, and the second involves painting. Processing times are as follows: JOB OPERATION 1 (HOURS) OPERATION 2 (HOURS) A 10 5 B7 4 C5 7 D3 8 E2 6 F4 3 Determine a sequence that will minimize the total completion time for these jobs. Illustrate graphically.
Two jobs must be processed through four machines in the same order. The processing times in the required sequence are (given)
Determine how the two jobs should be scheduled in order to minimize the total makespan, and draw the Gantt chart indicating the optimal schedule.
Chapter 15 Solutions
OPERTATIONS MGMT:SUSTAINABILITY
Ch. 15 - Prob. 1EDCh. 15 - Prob. 1DQCh. 15 - Prob. 2DQCh. 15 - Prob. 3DQCh. 15 - Prob. 4DQCh. 15 - Prob. 5DQCh. 15 - Prob. 6DQCh. 15 - Prob. 7DQCh. 15 - Prob. 8DQCh. 15 - Prob. 9DQ
Ch. 15 - Prob. 10DQCh. 15 - Prob. 11DQCh. 15 - Prob. 12DQCh. 15 - Prob. 13DQCh. 15 - Prob. 1PCh. 15 - Prob. 2PCh. 15 - Prob. 3PCh. 15 - Prob. 4PCh. 15 - Prob. 5PCh. 15 - Prob. 6PCh. 15 - Prob. 7PCh. 15 - Prob. 8PCh. 15 - Prob. 9PCh. 15 - Prob. 10PCh. 15 - Prob. 15PCh. 15 - Prob. 16PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - Prob. 20PCh. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - Prob. 23PCh. 15 - Daniels Barber Shop at Newark Airport is open 7...Ch. 15 - Given the following demand for waiters and...Ch. 15 - Prob. 1CSCh. 15 - Prob. 2CSCh. 15 - Prob. 3CSCh. 15 - Prob. 4CSCh. 15 - Prob. 1.1VCCh. 15 - Prob. 1.2VCCh. 15 - Prob. 1.3VCCh. 15 - Prob. 2.1VCCh. 15 - Prob. 2.2VCCh. 15 - Why is seniority important in scheduling servers?Ch. 15 - Prob. 2.4VC
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- Suppose that 12 jobs must be processed through six machines. If the jobs may beprocessed in any order, how many different possible schedules are there? If youwere to run a computer program that could evaluate 100 schedules every second,how much time would the program require to evaluate all feasible schedules?arrow_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_forwardUsing Johnson's rule for 2-machine scheduling, the sequence is: Scheduled Order Job 1 ▼ B C E F A D Part 2 2 ▼ F C A D B E Part 3 3 ▼ A B D F C E Part 4 4 ▼ E D C B F A Part 5 5 ▼ F C D A E B Part 6 6 ▼ D C F B E A Part 7 For the schedule developed using Johnson's rule, the total length of time taken to complete the six jobs (including the 2nd operation) = enter your response here hours (enter your response as a whole number). ... Question content area right Part 1 Six jobs are to be processed through a two-step operation. The first operation involves sanding, and the second involves painting. Processing times are as follows: Job Operation 1 (hours) Operation 2 (hours) A 4 8 B 10 5 C 3 11 D…arrow_forward
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