↓The following jobs are waiting to be processed at a small machine center:JOBDUE DATEDURATION (DAYS)1026018202521030260284050265270424All 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 30, 50, 10, 20, 40b) What is the average completion (flow) time?The average completion (flow) time is days (round your response to one decimal place).

The total number of Jobs is N = 5a) According to the LPT algorithm, the Longest processing time will…

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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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 a small machine center: DUE DATE 250 242 250 260 265 JOB 10 20 30 40 50 DURATION (DAYS) 20 10 16 34 6 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 rulle, the sequence of jobs should be b) What is the average completion (flow) time? The average completion (flow) time is c) What is the average job lateness? The average job lateness is d) 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).
The following jobs are waiting to be processed at a small machine center; JOB 10 20 30 40 50 days (round your response to one decimal place). DUE DATE 260 254 260 265 275 days (round your response to one decimal place). DURATION (DAYS) 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 50, 20, 10, 30, 40 b) What is the average completion (flow) time? The average completion (flow) time is c) What is the average job lateness? The average job lateness is d) 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). 18 22 14 4 32
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 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?
The following jobs are waiting to be processed at JulieMorel’s machine center:JOB DATE ORDER RECEIVED PRODUCTIONDAYS NEEDED DATE ORDER DUEA 110 20 180B 120 30 200C 122 10 175D 125 16 230E 130 18 210 In what sequence would the jobs be ranked according to the fol-lowing rules: (a) FCFS, (b) EDD, (c) SPT, and (d) LPT? All dates are according to shop calendar days. Today on the planning cal-endar is day 130, and none of the jobs have been started or sched-uled. Which rule is best?
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.
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?
Sequencing jobs through two work centers. Use Johnson’s rule to obtain the optimum sequence for processing the jobs shown through work centers A and B.JOB TIMES (hours)Job Work Center A Work Center Ba 2.50 4.20b 3.80 1.50c 2.20 3.00d 5.80 4.00e 4.50 2.00
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.
14. In Muscat Machine Manufacturing company, following 6 jobs are waiting to be processed. All the six jobs were logged as they arrived. All dates are specified as planning calendar days. Assume that today's date is 24. Remaining Time (days Job Due Date A 29 26 4. 30 8. 28 E 25 3 26 Using the critical ratio scheduling rule, in what sequence would the jobs to process?
Consider 8 jobs with processing times, due dates as shown below: Find the optimal sequence using the four sequencing rules; (FIFO, DD, SOT, LIFO). Based on minimizing the jobs average time as well as meeting the deadlines (Due Date) allocated to each job, Explain your final decision. Job(1) Processing time (days) Due Date (days) 1 5 15 2 8 10 3 6 13 4 3 25 5 10 20 619 14 40 7 8 7 3 45 50

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