A group of 6 jobs is to be processed through a 2-step operation. The 1st involves cleaning and the 2nd is painting. Determine the sequence that will minimize the total completion time for this group of jobs and show the idle time incurred.
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- WorkPro is a small manufacturer. It uses a job process for production. The following sample of jobs are listed in the order that they were received. Job Due Date Operation Time P 5 1 Q 20 8 R 8 5 S 11 6 T 3 12 When the shortest operating time (SOT) rule is applied to the sample of jobs, the resulting sequence is: A. Choos the following answer choice. T, P, R, S, Q R, S, T, P, Q P, Q, R, S, T P, R, S, Q, T B. In the WorkPro example above, average flow time for the sample of jobs when sequenced by the shortest operating time (SOT) rule is approximately: 19.8 14.2 4.8 6.4 C. In the WorkPro example above, average lateness for the sample of jobs when sequenced by the earliest due date (EDD) rule is approximately: Group of answer choices 10.4 4.8 7.8 5.8 D. Using the sample of jobs in the WorkPro example above, the shortest operating time (SOT) rule appears more attractive than the earliest due date (EDD) rule…Use the S/O rule to schedule the following jobs. Note that processing time includes the timeremaining for the current and subsequent operations. In addition, you will need to know thenumber of operations remaining, including the current one.JobRemainingProcessingTimeDueDateRemainingNumber ofOperationsA 4 14 3B 16 32 6C 8 8 5D 20 34 2E 10 30 4F 18 30 2Given the following information on job times and due dates, determine the optimal processingsequence using (1) FCFS, (2) SPT, (3) EDD, and (4) CR. For each method, find the average jobflow time and the average job tardiness. Jobs are listed in order of arrival.JobJob Time(hours)Due Date(hours)a 3.5 7b 2.0 6c 4.5 18d 5.0 22e 2.5 4f 6.0 20
- uestion 2:ID:_________________________Three jobs are to be scheduled on two machines A and B. Assume that the jobs are processed in the sequence A-B. The processing times are: JobA1 2 35 7 3B4 7 5Draw a Gantt chart that shows the schedule corresponding to the sequence 1-2-3 of the jobs.Find the value of X in the following Flow Shop data consisting of 5 jobs which are to be processed on two machines M1 & M2 in that order. Jobs M1 M2 A 13 21 B 8 16 C 30 25 D 11 27 E 15 25 For the sequence using Johnson’s Rule, the Make span = XDan'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 20
- A wholesale grocery distribution center uses a two-step process to fill orders. Tomorrow’s workwill consist of filling the seven orders shown. Determine a job sequence that will minimize thetime required to fill the orders.TIME (hours)Order Step 1 Step 2A 1.20 1.40B 0.90 1.30C 2.00 0.80D 1.70 1.50E 1.60 1.80F 2.20 1.75G 1.30 1.40A production line is to be designed for a job with four tasks. The task times are 2.7 minutes, 0.4 minutes, 0.6 minutes, and 2.7 minutes. After line minutes, and the smallest possible assigned cycle time is minutes. (Round balancing, the largest possible assigned cycle time is answers to one decimal place.) OA. 6.4, 2.7 OB. 3.1, 2.3 OC. 1.6, 0.6 OD. 2.7, 0.4 OE. 6.0, 1.6A machine center in a job shop for a local fabrication company has five unprocessed jobs remaining at a particular point in time. The jobs are labeled A, B, C, D, and E in the order that they entered the shop. The respective processing times and due dates are given in the table below. What is the sequence the of jobs by CR rules? Job Processing Time Due Date A 10 32 B. 55 34 C. 11 31 60 35
- A group of six jobs is to be processed through a two-machine flow shop. The first operation involves cleaning and the second involves painting. Determine a sequence that willminimize the total completion time for this group of jobs. Processing times are as follows:PROCESSING TIME (hours)Job Work Center 1 Work Center 2A 5 5B 4 3C 8 9D 2 7E 6 8F 12 15 To employ Johnson’s rule, create a “blank” sequence first, such as:mhhe.com/stevenson13eEXAMPLE 41st 2nd 3rd 4th 5th 6thA manutacturer is designing a product layout for a new product production. It plans to use a production line for B hours per day in order to meet forecasted demand of 100 units per day. The product requires 7 lasks in total. These tasks are namely, A, 8, CD, E, F, and G respectively. Task A does not have any predecessor to start. To start Task B, it requires Task A to be completed Starting tasks Cneeds, the tack B to be completed. Also, starting task D needed task B to be completed Task E can only start upon completion of Task C. Whescas starting lask F needs the completion of both the tasks D and E Finally, starting task G needed, task Fto be completed. 1the processing times for tasks, A BC D, E F, andG are 28, 2.1, 0.9, 1.0, 1.2, 1.8, are 4.7 minutes respectively. Applying the most following tasks nule for balancing the assembly line, with ties broken according to longest task time first, the tasks that will be assigned to the FIRST workstation are Select one OaAB, and C ODAB Oc None…(Please do not give solution in image format thanku) Develope a 3 level work breakdwon structure (including level 1,2 and 3) the work break down structure is based on the following project. Improving Customer Service Response Time for a clothing company. additional informationa can be added to the work break down struture to create the different levels The motivation behind this project is to improve customer satisfaction by reducing response time for customer service inquiries. Currently, customers are waiting an average of 48 hours to receive a response to their inquiries, resulting in frustration and dissatisfaction. By implementing a new customer service ticketing system and training customer service agents on effective communication and problem-solving techniques, response time can be reduced to 24 hours or less.