A manager wants to assign tasks to workstations to achieve an hourly output rate of 33 units. Assume that the shop works 60 minutes per hour (i.e., no breaks). 1.39 a Workstations 1 2 3 4 .65 b Efficiency Task a a. Assign the tasks shown in the above precedence network (times are on the nodes and are in minutes) to workstations using the following heuristic rules: (i) "Assign the task with the most followers." (ii) Tiebreaker: "Assign the task with the longest time." (Round the intermediate calculations and final answers to 2 decimal places.) b, e c, d, g ✔ f, h 120.0 3 3 3 3 .87 % C .44 d .97 Idle Time 15 25 10 0.3 1.2 1.47 f x .45 9 b. What is the efficiency? (Round the intermediate calculations to 2 decimal places. Round the final answer to 1 decimal place.) .24 h
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- CARLA'S QUICK SERVICE RESTAURANT JOB⁹² Carla works at a typical quick service restaurant (QSR). She is never involved in any problem-solving activities because the system dictates they must defer to man- agers when problems arise. In addition, she has never been asked to provide any input at the store level of the organization. Her manager tells her what to do and micro-manages her work. Daily information, sche- dules, and work methods changes (e.g., when new menu items are introduced) are posted on notes in a break room bulletin board. Carla isn't very happy in her job and is thinking of quitting to find something else. She has seen about half of her coworkers quit in the last year. Discussion Questions 1. High attrition rates in the QSR industry may be attributed to low levels of employee engagement within the organization. How does high turnover impact product quality and customer service in the QSR industry, as well as the costs to the organization? 2. How can Carla's manager or…Consider a law firm with 15 lawyers and 3 paralegals. The firm is struggling to keep up with the high demand for its services, particularly during the busy litigation seasons. It has been observed that the lawyers spend a significant amount of their time on administrative tasks that could potentially be handled by paralegals. After a careful study of the work distribution within the firm, it was determined that 35% of the activities carried out by the lawyers are administrative in nature. Given that each lawyer works 50 hours a week, please determine: (a) How many additional paralegals should the firm hire to handle the administrative tasks currently performed by the lawyers? (b) If the lawyers' time spent on administrative tasks is redirected to billable legal work, by what percentage could the firm potentially increase its billable hours?Given the following information, assign tasks to work stations using the most followers rule. Assume the cycle time is 60 seconds. Submit for each workstation (1,2,3 etc.), the tasks assigned in order of assignment, the idle time for each work station and the total idle time. (It will help for you to make the diagram but you are not required to submit the diagram) Immediate Task Task Time (seconds) Predecessor 35 50 A. 20 10 25 F\ C.E 40 Edit Format Table Paragraph V BIUA 12pt v Immediate Predecessor Task Time (seconds) Task
- Explain the machine-scheduling problem?A company receives parts from suppliers to be used in its manufacturing departments. The quality control department must perform two operation when shipments are received:i) Operation A-draw a random sample, package, and deliver to testing, andii) Operation B-test the materials and issue a disposition reportThere are currently six shipments waiting to be processed. The time estimates for processing these six shipments through quality control are:Shipment Operation A (hours) Operation B (hours)1 1.5 1.02 1.1 2.73 1.2 1.44 0.7…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. M2 Jobs A 7 B 5 C D E M1 5 2 1 4 13 3 6 3 For the sequence using Johnson's Rule, the Average Flow Time X
- Five customers brought in computers to be repaired to a small shop. Estimated repair times (in days) and dates promised are given below. Due dates were set based on available technicians; however, one technician had a medical emergency and will be unavailable for at least two weeks so processing times were adjusted. 1 2 3 Customer job Processing time (days) Due date (days) 3 5 4 -Select- 3 4 -Select- 2 4 6 10 5 5 Use the EDD rule and compute the start time, flow time, lateness, and tardiness for each job. Use minus sign to enter negative lateness values, if any. If your answer is zero, enter "0". 7 Sequence Start Time, days Flow Time, days Lateness, days Tardiness, days -Select- -Select- ✓ -Select-DreamInflate is a balloon manufacturing company. Balloon manufacturing consists of seven work stations, each performing a single step as indicated in the table below. There are five workers manned for the seven work stations as shown. Assume the workers are paid $15 per Worker Task Sequence Processing Time (secs/balloon) Task Dye production Electrocharging Dipping (Cold and Hot) Mortar Dipping Balloon inflation and delaltexing Vulcanization Inspection/Testing 1 30 w1 20 3 35 W2 25 W3 30 W4 6. 45 W5 7 40 hour. Each balloon pack is sold for $6 and has a variable cost of $1. The company has fixed costs of $200 per hour. There is more demand than the overall production system can provide. Based on the information provided, answer the following questions: • What is the cost of direct labor for balloons? • How much profit does DreamInflate make every hour? (note that the cost of direct labor is also a variable cost). What would the profit of DreamInflate be if the variable costs were 10…As the Cottrell Bicycle Co. of St. Louis completes plans for its new assembly line, it identifies 25 different tasksin the production process. VP of Operations Jonathan Cottrell now faces the job of balancing the line. He lists precedencesand provides time estimates for each step based on work-sampling techniques. His goal is to produce 1,000 bicycles perstandard 40-hour workweek.Balance this operation using the shortest operation time rule and compute the efficiency of the line.
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