In what sequence will the jobs be completed if the DDATE rule is used? Group of answer choices a) A-C-D-B b) C-A-D-B c) A-B-C-D d) C-D-A-B
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33) Workstation #1
Given the following queue of 4 jobs to be processed at Workstation #1:
| Job | Processing Time (Days) | # Days Until Due |
| A | 5 | 12 |
| B | 11 | 20 |
| C | 7 | 10 |
| D | 9 | 14 |
In what sequence will the jobs be completed if the DDATE rule is used?
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- 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.Machine 1 Machine m Mm Notation: MIP models for scheduling single stage "m" parallel machines Indices k-machine no.,k € (1.m) 1-job,i € (1.n) 1-job,j e (1. n} Input parameters m= total number of machines n= number of jobs Pprocessing time of job" d,- due date of job " M-large number Decision variables TO_startup time of job " Yu hinary variable, 1:1f job"C precedes job"f in the processing sequence,0: otherwise Wa- himary variable, 1:if job "Tis processed on machine "k",0 otherwise k machine no.,k € {1 - m} 1- Job,Ie (1. . m) 1-Job./E (1.n) M-total number of machines nnumber of Jobs A-processing time of fob "f d- due date of fob " M- large mumber Decision varlables xstartup time of job Yu= binary variable, 1:4f job precedes job " in the processing sequence,0: otherwise W-binary variable, 1:1f fob "C is processed on machine "k", 0: otherwtseXOX Corporation's management keeps track of the time it takes to process orders. During the most recent month, the following average times were recorded per order Wait time 15. 6 Inspection time 0.8 Process time 1.6 Move time 0.7 Queue time 3. 9 1. Percentage of manufacturing cycle time spent on non-value-added activities 2. Compute the delivery cycle time in days
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- At the University Hospital, five blood samples must bescheduled through a blood-testing laboratory. Eachsample goes through up to four different testing stations.The times for each test and the due dates for eachsample are as follows:Sample Test Station/Hours Due Date (hours)1 A/1, B/2, C/3, D/1 62 B/2, C/3, A/1, D/4 103 C/2, A/3, D/1, C/2 84 A/2, D/2, C/3, B/1 145 D/2, C/1, A/2, B/4 12a. Using a Gantt chart, schedule these five samples in priority order of earliest due date first.b. Assume that the capacity of each test station (A, B, C and D) is doubled. Prepare an FCS for this situation.c. What are the bottleneck work centers in part a of the problem. Suggest capacity additions that might be needed.CASE: AmazonIn a visit to an Amazon distribution center, a group of business students and their professors met with the general manager. After taking them on an extensive tour of the five-acre facility, the general manager commented on the slowness of the visitors’ walking pace. He described the Amazon Pace, a fast, aggressive walk, and confirmed that the average employee walks eight or nine miles during a shift. These employees are called “pickers,” and their task is to fill an order and deliver it to the processing and packing center as quickly as possible. The design of the center is a trade secret that results in a random distribution of products. Therefore, the picker has to cover a number of directions and distances while filling an order. Those who cannot keep up the pace are usually let go, just as would be those who steal.Critical Thinking• Does the requirement to walk an average of eight or nine miles at a fast pace every day strike you as a reasonable expectation for…The Theory of Constraints method is also referred to as the drum-buffer-rope method. Question content area bottom Part 1 True False
- (Adapted from Solved Problem 2, p610) Joe’s Auto Seat Cover and Paint Shop is bidding on a contract to do all the custom work for Smiling Ed’s used car dealership. One of the main requirements in obtaining this contract is rapid delivery time, because Ed for some reasons wants the cars face lifted and back to his lot in a hurry. Ed has said that if Joe can refit and repaint the five cars, which Ed has just received, within 60 hours or less i.e., start on 5/14 Friday 8am, to complete by 5/16 Sunday 8pm) the contract will be his. Following the time (in hours) required in the refitting shop and the paint shop for each of the five cars. Assuming the cars go through the refitting operations before they are repainted, can Joe meet the time requirement to get the contract? Please explain clearly the scheduling result. Hint: You may apply online scheduling tools (such as https://job-sequencing.appspot.com/) to help schedule.) Car Refitting Time (Hours) Repainting Time (Hours)…Wally's Widget Warehouse takes orders from 7 A.M. to 7 P.M. The manager wants to analyze the process and has provided the following process flow diagram. There are three steps required to ship a customer order. The first step is to take the order from a customer. The second step is to pick the order for the customer, and then they have to pack the order to ready it for shipping. The order-taking step works at a maximum rate of 100 customer orders per hour. Order picking works at a maximum of 75 per hour, and packing works at 60 per hour. Customers Order Taker 100 Customers/ hour Current maximum output Pick orders Pack orders Customer Orders Pick Orders 75 Customers/ hour hours hours Picked Orders Wally wants to figure out the following. a. What is the current maximum daily output of the process assuming that no one works overtime? (i.e., meaning all three operations work a 12-hour shift) units per day Pack Orders 60 Customers/ hour Wait for Shipper b. How long (in hours) will the…Johnson Fastener and Tool had a six-hour work stoppage yesterday, which means the company does not have its usual number of fasteners stored in inventory. Concerned that the inability to fulfill all current orders may have an adverse effect on some customers, Acme's account executives are notifying all customers, including Henderson Air, that there could potentially be a small delay in delivering some orders. This is an example of: