Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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- please answer quick in details within 30 mins.arrow_forwardA medical equipment testing and calibration service is shown below. The customer usually brings the equipment to the service center. The service process requires service technicians to perform three process steps #1 to #3. Each technician is cross-trained so they can perform any of the three steps. The inspector does step #4 alone. After step #4, two parallel work activities are performed. That is, a shipping clerk packs the work (step #7), while simultaneously, a billing clerk prepares the invoice (step #5), and the customer is contacted by phone for pick-up (step #6). The average throughput is three equipment units per hour. Start Activity Start 1 2 3 4 5 ²H 2 6 7 End 3 Activity Time (minutes) 4 The table below shows the work content of the process steps, activity times in minutes per unit, shared and non-shared work activities, and the type of resource required. There are three service technicians on duty, one inspector, one billing clerk, and one shipping clerk. 8 17 23 12 3 5 25 5…arrow_forwardA local toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed . The daily demand is 100 toys. Times of the tasks are 2.73,2.01 1,2.13,2.0,2.61,2. 2.71 , and 2.95 minutes for A, B, C, D, E, F , and G , respectively . However , due to the nature of the product there are precedence rules that must be observed . Such that Task A does not need any predecessors ; task B requires task A to be completed . To start task C and task D, each require task B to be completed . Task C must be completed prior to stating task E. Task F needs both task D and task E to be completed . Finally , task G can start only once task F is completed . What should be the calculated cycle time in minutes ? a. 0.9 b. 4.5 c. None is correct d. 4.8 e. 4.4arrow_forward
- Alocal toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed. The daily demand is 100 toys. Times of the tasks are 2.73, 2.01, 2.13, 2.0, 2.61, 2.71, and 2.95 minutes for A, B, C, D, E, F, and G, respectively. However, due to the nature of the product there are precedence rules that must be observed. Such that Task A does not need any predecessors; task B requires task A to be completed. To start task C and task D, each require task B to be completed. Task C must be completed prior to stating task E. Task Fneeds both task D and task E to be completed. Finally, task G can start only once task Fis completed. Given we apply the most remaining tasks rule 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 O a. A and B O b. None is the correct answer c. A only O d. A. B, and C О е. Вonlyarrow_forwardA local toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed. The daily demand is 100 toys. Times of the tasks are 2.73, 2.01, 2.13, 2.0, 2.61, 2.71, and 2.95 minutes for A, B, C, D, E, F, and G, respectively. However, due to the nature of the product there are precedence rules that must be observed. Such that Task A does not need any predecessors; task B requires task A to be completed. To start task C and task D, each require task B to be completed. Task C must be completed prior to stating task E. Task F needs both task D and task E to be completed. Finally, task Gcan start only once task Fis completed.Given we apply the most remaining tasks rule for balancing the assembly line, with ties broken according to longest task time first, What will the estimated idle time in minutes for FIRST workstation? O a. None is the correct answer O b. 0.09 O c. 1.85 O d. 0.06 Oe. 1.00arrow_forwardA job description along with a Job Specification for the following job. City of Portland Bus Driverarrow_forward
- A local toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed. The daily demand is 100 toys. Times of the tasks are 2.73,2.01,2.13,2.0.2.61,2.71 , and 2.95 minutes for A A,B,C,D,E,F, and G, respectively. However, due to the nature of the product there are precedence rules that must be observed. Such that Task A does not need any predecessors; task B requires task A to be completed. To start task C and task D. each require task B to be completed. Task must be completed prior to stating task E. Task F needs both task D and task Eto be completedFinally, task G can start only once task Fis completed.Given we apply the most remaining tasks rule for balancing the assembly line, with ties broken according to longest task time first, the tasks that will be assigned to the THIRD workstation arearrow_forward. Bill's Barbershop has two barbers available to cut customers' hair. Both barbers provide roughly the same experience and skill, but one is just a little bit slower than the other. The process flow in Figure 6.90 shows that all customers go through Steps B1 and B2 and then can be served at either of the two barbers at Step B3. The process ends for all customers at Step B4. The numbers in parentheses indicate the minutes it takes that activity to process a customer. Figure 6.9 Process Flow for Bill's Barbershop B1 (10) B2 B3-a (15) B3-b (10) B4 (9) 1. On average, how long does it take a customer to complete this process? ›. What single activity is the bottleneck for the entire process? c. How many customers can this process serve in an hour?arrow_forwardA local toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed. The daily demand is 100 toys. Times of the tasks are 2.73, 2.01, 2.13, 2.0, 2.61,2.71, and 2.95 minutes for A, B, C, D, E, F, and G, respectively. However, due to the nature of the product there are precedence rules that must be observed. Such that Task A does not need any predecessors; task B requires task A to be completed. To start task C and task D, each require task B to be completed. Task C must be completed prior to stating task E. Task F needs both task D and task E to be completed. Finally, task G can start only once task F is completed.Given we apply the most remaining tasks rule for balancing the assembly line, with ties broken according to longest task time first, What will the estimated idle time in minutes for FOURTH workstation? Oa. 1.00 O b. None is the correct answer Oc. 0.06 O d. 1.85 O e. 0.09 S PAGE NEXT PAGE e here to…arrow_forward
- A TV factory plans to add production lines for its new product and plans to produce as many as 200 units per hour. The production process, production time, and the production process to continue the next production process are described in the table below: (1 day = 8 working hours) Production Process Production Time (s) The production process that follows the next production according to the list below A 12 - B 15 A C 8 A D 5 B,C E 20 D Based on the data above. a. Draw a diagram of the production process.b. With the diagram that you have described above, can the production process run properly according to the plan? Explain the process of each workstation that you have created!.arrow_forwardA bottled water production process is described by the following flowchart. Production Setup 40 seconds /pack Bottle Sanitization 40 seconds /pack Water Filtering 70 seconds /pack Conveyor Belt 20 seconds /pack Bottle Filling 120 seconds /pack Bottle Filling 120 seconds /pack Bottle Filling 120 seconds /pack Packing 60 seconds /pack First, the process is set up for 40 seconds per pack of 6 bottles. Bottles making up each pack are then sanitized for 40 seconds per pack, while water 15 filtered for 70 seconds per pack. A conveyor belt then takes 20 seconds to transport each pack to one of three identical bottle filling stations. A bottle filling station takes 120 seconds to process each pack. Finally, the products go through a single packing station, which takes 60 seconds/pack. 1 1.What is the bottleneck activity in this production process? Answer: 2. What is the total capacity of the process? Answer: 3. What is the total flow/processing/throughput time of this production process?arrow_forwardAn assembly line is to be designed to operate 13 hours per day and supply a steady demand of 325 units per day. Here are the tasks and their performance times: TASK PRECEDINGTASKS PERFORMANCE TIME (SECONDS) TASK PRECEDINGTASKS PERFORMANCETIME (SECONDS) a — 48 g d 43 b — 58 h e 38 c — 73 i f 23 d a 63 j g 33 e b 88 k h, i 53 f c 23 l j, k 67 A) What is the efficiency of your line balance? B) Suppose demand increases by 10 percent. How would you react to this? Assume that you can operate only 13 hours per day in regular time. (Round your answers to the nearest whole number.)arrow_forward
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