Using Johnson's rule for 2-machine scheduling, the sequence is:Scheduled Order¬ MU O¯ ➤g1Job2A3456For the schedule developed using Johnson's rule, the total length oftime taken to complete the six jobs (including the 2nd operation) E51 hours (enter your response as a whole number).JobBFSix jobs are to be processed through a two-step operation.The first operation involves sanding, and the secondinvolves painting. Processing times are as follows:Operation 1(hours)12A285693DCEOperation 2(hours)4mu2011114

Given data: Job Operation - 1 Operation - 2 A 12 4 B 8 11 C 5 14 D 6 2 E 9 10 F 3 1…

Answered: Using Johnson's rule for 2-machine…

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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Three jobs are to be scheduled on two machines A and B. Assume that the jobs are processed in the sequence A-B (A has to finish the job before B can continue the job). The processing times are: Job A B 1 5 4 2 7 7 3 3 5 Draw a Gantt chart that shows the schedule corresponding to the sequence 1-2-3 of the jobs.
Three jobs are to be scheduled on two machines A & B . Assume that the jobs are processed in the Sequence A-B. The processing times are : The Question is : Draw a Gantt Chart that shows the Schedule Corresponding to the sequences 1-2-3 of the jobs Job A B 1 5 4 2 7 7 3 3 5
Eight jobs are to be processed through a single machine. The processing times and due dates are given here. (given) Furthermore, assume that the following precedence relationships must besatisfied: 2→ 6 → 3. 1 → 4 → 7 → 8.Determine the sequence in which these jobs should be done in order tominimize the maximum lateness subject to the precedence restrictions.
Five jobs must be scheduled for batch processing on a mainframe computer system. The processing times and the promised times for each of the jobs are listedhere.Job 1 2 3 4 5Processing time 40 min 2.5 hr 20 min 4 hr 1.5 hrPromised time 11:00 A.M. 2:00 P.M. 2:00 P.M. 1:00 P.M. 4:00 P.M.Assume that the current time is 10:00 A.M.a. If the jobs are scheduled according to SPT, find the tardiness of each job and themean tardiness of all jobs.b. Repeat the calculation in part (a) for EDD scheduling
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 11 327 6 10 462 8 4 519 5 8 258 3 5 617 12 15 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 correct graph is .
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?
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.
Using Johnson's rule for 2-machine scheduling, the sequence is: Scheduled Order Job 1 C 2 B 3 E 4 A 5 D 6 F For the schedule developed using Johnson's rule, the total length of time taken to complete the six jobs (including the 2nd operation) = nothing hours (enter your response as a whole number).
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.
Ron Satter field's excavation company uses bothGantt scheduling charts and Gantt load charts.a) Today, which is the end of day 7, Ron is reviewing the Ganttchart depicting these schedules:• Job # 151 was scheduled to begin on day 3 and to ta ke6 days. As of now, it is I day ahead of schedule.• Job# 177 was scheduled to begin on day J and take 4 days.It is currently on time.• Job #1 79 was scheduled to start on day 7 and take 2 days. Itactually got started on day 6 and is progressing according toplan.• Job #211 was scheduled to begin on day 5, but missingequipment delayed it until day 6. It is progressing asexpected and should take 3 days.• Job #215 was scheduled to begin on day 4 and take 5 days.It got sta rted on time but has since fallen behind 2 days.Draw the Gantt scheduling chart for the activities described.b) Ron now wants to use a Ga ntt load chart to see how muchwork is scheduled in each of his three work teams: Able,Baker, and Charlie. Five jobs constitute the current…
An assembly department has six jobs waiting to be processed. It is now time zero and all jobs are ready to begin. Job Processing Time Due Date A 5 12 B 7 18 C 8 6 D 3 10 E 9 22 F 12 17 Which scheduling will be better to use, EDD or SPT and why Suppose there is a new method called Earliest difference first that arranges the jobs based on the difference between due date and the processing time, would this method be better than the results of part (1)
Thomas 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).

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Using Johnson's rule for 2-machine scheduling, the sequence is: Scheduled Order Job 1