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- Using the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery) : hours (enter your response as a whole number). = G Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Cut and Sew 3 5 6 Suit 1 2 7 3 Deliver 4 2 ∞ N 8 Assume that orders for suits have been listed in the above table in the order in which they were received.Five jobs are planned to be scheduled. Each of the jobs must be processed on three machines (A, B, and C) in the same order. The processing times are listed below. Use Johnson's Rule to determine the optimal sequence of jobs. Job B 16 10 11 10 14 20 12 3 10 8 4 1 O a) 3-1-2-4-5 O b) Johnson's Rule is not an Optimal Technique O c) 1-2-3-4-5 O d) 5-4-3-1-2 O e) 5-4-3-2-1 O) 5-4-2-1-3 O e) 5-4-2-3-1 2345Use Johnson's rule to determine the optimal processing sequence for the jobs listed in the following table JOB ان استرامادان اماه A B C D E F G Processing Time (mins) ST1 30 8 10 18 5 15 14 ST2 12 16 9 7. 4 5 20 Please write the optimal processing sequence for the six jobs:
- 2. The operations manager of an assembly and paint shop has five trucks to schedule for repair. He would like to minimize the throughput time (makespan) to complete all work on these cars. Each truck requires assembly prior to painting. The estimates of the times required to do the assembly and paint work on each are as follows:Use Johnson's rule to sequence these five jobs for minimum total duration. Show your step by step work in determining the job sequence and calculate the total duration of finishing assembly and painting operations on all the five trucks ?The owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received: Job W X Y Z Processing Time (hrs) 4 3 2 1 Multiple Choice If he uses the shortest processing time first priority rule to schedule these jobs, what will be the average completion time? O 7.5 hours 5 hours 3 hours 2.5 hours Due (hrs from now) 4 2 hours 5 2 1Consider 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
- Given the data below, using the SPT heuristic sequencing rule, determine the completion date and tardiness for each job as well as the average completion time and average tardiness for all four jobs. Which of the following statements is true? Job Processing time (days) Due date (in days) A 10 10 B 5 8 C 15 25 D 8 15 a.Jobs B and D will have no tardiness b.The tardiness for Job A is 12 days c.The average tardiness is 19.75 d.The average completion time is 6.5Processing times and due dates for five jobs are shown in the table below. Assume the jobs are processed using the earliest-due-date rule. Job A B C D E Processing time (weeks) 2 0.7 1 4 1.3 Due time (weeks) 1 8 4 5 2 12. What would be the lateness of job B? What would be the tardiness of job E? 14. What is the maximum tardiness for this set of jobs? Note: Round your answer to 1 decimal place. 15. What is the average flow time for this set of jobs? Note: Round your answer to the nearest whole number.Wood Log Company has forecasted the demand for wooden log for next month. The company has listed the processing time, and the due date for each task to produce wood log as follows t; (days) d, (days) 1 3 7 3 5 7 14 5 25 7 19 10 39 12 18 15 25 10 18 40 The company wants to minimize the average flow time. What will be the sequence and schedule, makespan, average flow time, average lateness, and how many tardiness if: a. The company have machine to process the wood b. The company have 2 machine to process the wood 6 7. 4)
- De Law Construction has a gotten some construction jobs to build some starter housing units in a few areas. The building time for each housing unit to be completed as well as the date that each unit is to be completed is shown in the table below. Today is Day 471. Which of the sequences, EDD OR SPT should the company use to sequence the order in which they do the jobs, assuming that because of resource constraints it cannot do the jobs simultaneously? HOUSING UNIT Building Time (days) Due Date Marabella 39 Day 502 Tabaquite 23 Day 528 San Juan 30 Day 515 Mayaro 33 Day 498 D’Abadie 41 Day 535 Preysal 40 Day 510 Some time after starting the jobs according to the sequence you decided on, it was found that because of inclement weather the last three housing units in the sequence have been delayed. You now have to prioritise and decide in which order to expedite those three jobs, using the Critical Ratio model. It is now…Dan's Auto Detailing business performs two major activities: exterior cleanup and interior detailing. Based on the size of car and condition, time estimates for six cars on Monday morning are as shown in the accompanying table. Car Number 1 5 6 Exterior Interior 55 75 4 65 35 50 60 45 90 35 40 a. Sequence the cars so that all exterior cleanup is done first and total completion time is minimized. The sequence is -Select-- -Select- -Select- -Select- -Select-- -Select- 2 3 80 20The following table shows jobs to be processed at a machine. Determine the processing sequence that will minimize total number of late jobs. Job Processing Time (days) Due Date (days) А 4 В 2 10 2 11 E 4 13 F 9 20 1. Job (Click to select v is the first job that is late in the given sequence. 2. Job (Click to select) v has the largest processing time out of these 5 jobs. 3. Optimal sequence is (Click to select) v with one job late.