Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 18, Problem 11CQ
Summary Introduction
To determine: Whether the earliest-due-date rule always minimizes the average lateness across jobs is true or false?
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Students have asked these similar questions
An organization faces heavy penalties for jobs that are not completed on time. Which of the following priority rules should the operations manager use when sequencing jobs?
A.EDD: earliest due date
B.SPT: shortest processing time
C.LPT: longest processing time
D.FCFS: first come, first served
24
The job that arrived first at a work center or machine will be processed first and completed. Which of the following priority rules does this statement represent?
a
first come, first served
b
shortest processing time
c
critical ratio
d
earliest due date
Depending on how jobs arrive to a resource, it is possible that the average flow time of the jobswith first-come-first-served is lower than that with shortest processing time. True or false?a. Trueb. False
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
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- Lee is the manager of the ABC construction project. Lee is informed by the foreman that the concrete will need to cure for one more day before the framing can start. Lee should add which time to the framing activity to accommodate the requirement? Group of answer choices Lag Delay Slack Leadarrow_forward________blank refers to a work arrangement that gives employees flexibility in terms of both hours and where they work. Multiple Choice Compressed workweek Work-life balance Telecommuting Flextimearrow_forwardShortest processing time minimizes the flow time of jobs at a resource because itreduces the processing times of the jobs. True or false?a. Trueb. Falsearrow_forward
- Which of the following is a benefit of overbooking a resource?a. It helps to reduce the average number of jobs waiting to be processed on the resource.b. It helps to reduce the average flow time of jobs through a resource.c. It helps to increase the utilization of the resource.d. It helps to reduce the processing times of jobs at a resource.arrow_forwardThe Earliest Due date (EDD) rule for sequencing a given set of jobs usually ____________ Select one: a. minimizes the maximum lateness and tardiness. b. minimizes average flow time and work in process inventory. c. maximizes the average lateness and tardiness. d. minimizes the average lateness and tardiness. e. maximizes the minimum lateness and tardiness.arrow_forwardThe scheduling rule which most reduces number of jobs in the system/work in process is generally: First Come, First Serve Shortest Processing Time Flowtime Dispatch Rule Earliest Due Date Earliest Release Datearrow_forward
- Find a sequence to minimize the number of tardy jobs (jobs with tardiness > 0). note : please give me excel formulas provide the equations using excelarrow_forwardWhat is the positive impact of Workday since it streamlines timekeeping by allowing employees to punch in and out from any computer, tablet, or smartphone. In addition, businesses that require them can connect physical time clocks to Workday through an API.arrow_forwardRaquel is concerned with effi ciency. She believes it isprobably more effi cient to use SPT (shortest processing time) asher priority rule.(a) Develop a sequence using SPT based on processing timefor preparing the area.(b) Calculate the makespan, the mean job fl ow time, and theaverage number of jobs in the system.arrow_forward
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