The following jobs are waiting to be processed at a small machine center:DUE DATE250242250260265JOB1020304050DURATION (DAYS)201016346All dates are specified as manufacturing planning calendar days. Assume that all jobs arrived on day 200 (yesterday)in the order shown but are not scheduled to begin until day 201 (today).a) Sequence the jobs according to LPT.According to the LPT rulle, the sequence of jobs should beb) What is the average completion (flow) time?The average completion (flow) time isc) What is the average job lateness?The average job lateness isd) What is the average number of jobs in the system?The average number of jobs in the system is jobs (round your response to one decimal place).days (round your response to one decimal place).days (round your response to ane decimal place).

Job Due dateDuration (days)1025020202421030250164026034502656

Answered: The following jobs are waiting to be…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days. Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) Job CR Job Due Date Duration (days) 103 103 214 10 205 205 223 309 309 217 11 412 219 412 517 216 15 517 Assume that all jobs arrived on day 180; today's date is 200.
K The following jobs are waiting to be processed at a small machine center: JOB 10 20 30 40 50 DUE DATE DURATION (DAYS) 260 256 260 265 275 28 12 8 18 22 All dates are specified as manufacturing planning calendar days. Assume that all jobs arrived on day 200 (yesterday) in the order shown but are not scheduled to begin until day 201 (today). a) Sequence the jobs according to LPT. According to the LPT rule, the sequence of jobs should be 10, 50, 40, 20, 30 b) What is the average completion (flow) time? The average completion (flow) time is 62.8 days (round your response to one decimal place). c) What is the average job lateness? The average job lateness is 4 days (round your response to one decimal place).
The following jobs are waiting to be processed at thesame machine center. Jobs are logged as they arrive:JOB DUE DATE DURATION (DAYS)A 313 8B 312 16C 325 40D 314 5E 314 3 In what sequence would the jobs be ranked according to the follow-ing decision rules: (a) FCFS, (b) EDD, (c) SPT, and (d) LPT? All dates are specified as manufacturing planning calendar days. Assumethat all jobs arrive on day 275. Which decision is best and why?
On Monday morning, Baxter Industries has the following jobs waiting for processing in two departments, milling, and drilling, in that order. Time Required (hours) Job Mill Drill 216 7 6 327 4 10 462 6 3 519 5 8 258 8 7 617 9 10 Develop a minimum makespan schedule using Johnson's rule. The schedule using Johnson's rule is - - - - - . Choose the correct Gantt chart with the minimum makespan schedule.
The following 5 overhaul jobs are waiting to be pro-cessed at Avianic’s Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days.Assume that all jobs arrived on day 180; today’s date is 200.JOB DUE DATE REMAINING TIME (DAYS)103 214 10205 223 7309 217 11412 219 5517 217 15Using the critical ratio scheduling rule, in what sequence wouldthe jobs be processed?
Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days. Job CR 103 Job Due Date Duration (days) 103 214 10 205 223 7 309 217 11 412 219 5 517 217 15 Assume that all jobs arrived on day 180; today's date is 200.
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): Sequence 1 Job The following jobs are waiting to be processed at Rick Solano's machine center. Solano's machine center has a relatively long backlog and sets a fresh schedule every 2 weeks, which does not disturb earlier schedules. Below are the jobs to be scheduled today, which is day 241 (day 241 is a work day). Job names refer to names of clients and contract numbers. Compute all times based on initiating work on day 241. 2 3 4 5 ... The total flow time for the sequence developed using the SPT rule = days (round your response to two decimal places). The percentage utilization for the sequence developed using the SPT 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 SPT rule = jobs (round your response to two decimal…
The following jobs are waiting to be processed at a small machine center: 10, 40, 20, 50, 30 20, 30, 10, 40, 50 30, 40, 20, 50, 10 All dates are specified as manufacturing planning calendar days. Assume that all jobs arrived on day 210 (yesterday) in the order shown but are not scheduled to begin until day 211 (today). a) Sequence the jobs according to LPT. According to the LPT rule, the sequence of jobs should be b) What is the average completion (flow) time? The average completion (flow) time is days (round your c) What is the average job lateness? The average job lateness is days (round your response 10, 50, 30, 40, 20 30, 50, 20, 40, 10 20, 10, 30, 40, 50 JOB 10 20 30 40 50 ce). DUE DATE 270 264 270 280 290 DURATION (DAYS) 4 16 30 12 26
Jack's Refrigeration Repair Service repairs and reconditions commercial icemakers at restaurants. Jack has four jobs to complete. Below are their processing times and due dates: Job Processing time (hours) Due date (hour) A 20 50 B 10 40 C 15 35 D 55 75 What is the average inventory if jobs are processed using the earliest due date rule?
The first five columns of the following table contain information about a set of four jobs that just arrived (end of Hour 0 or beginning of Hour 1) at an engine lathe. They are the only ones now waiting to be processed. Several operations, including the one at the engine lathe, remain to be done on each job. Determine the schedule by using (a) the CR rule and (b) the S/RO rule. Compare these schedules to those generated by FCFS, SPT, and EDD. Job ProcessingTime at EngineLathe (hours) TimeRemainingUntil Due Date(days) Number ofOperationsRemaining Shop TimeRemaining(days) CR S/RO 1 2 3 4 2.3 10.5 6.2 15.6 15 10 20 8 10 2 12 5 6.1 7.8 14.5 10.2 2.46 1.28 1.38 0.78 0.89 1.10 0.46 -0.44
The following jobs are waiting to be processed atJeremy LaMontagne’s machine center. Today is day 250. Using the critical ratio scheduling rule, in what sequencewould the jobs be processed?
Five jobs are waiting for processing through two work centers. Their processing time (in minutes) at each work center is contained in the table below. Each job requires work center Alpha before work center Beta. According to Johnson's rule, which job should be scheduled first in the sequence? O A. V OB. U O C. R OD. S O E. T Job R S T Alpha 20 23 50 26 55 Beta 34 35 20 26 75

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