A manufacturing process has 12 workers and 6 stations. The process is completed in the order given below. Where there are multiple workers within a station, each worker works independently on his/her own unit. Assume inventory buffers are allowed between each station. Station Staffing Processing time (hours per unit per worker) A 2 2.20 B 1 1.25 C 3 2.00 D 2 2.60 E 3 3.00 F 1 0.75 What is the maximum number of units per hour that can be produced? Assume they start the day with inventory at each station to work on
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A manufacturing process has 12 workers and 6 stations. The process is
completed in the order given below. Where there are multiple workers within a station,
each worker works independently on his/her own unit. Assume inventory buffers are
allowed between each station.
Station Staffing Processing time (hours
per unit per worker)
A 2 2.20
B 1 1.25
C 3 2.00
D 2 2.60
E 3 3.00
F 1 0.75
What is the maximum number of units per hour that can be produced? Assume they start
the day with inventory at each station to work on
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- Jane Reed bakes breads and cakes in her home for parties and other affairs on acontract basis. Jane has only one oven for baking. One particular Monday morningshe finds that she has agreed to complete five jobs for that day. Her husband Johnwill make the deliveries, which require about 15 minutes each. Suppose that shebegins baking at 8:00 A.M.Job Time Required Promised Time1 1.2 hr 11:30 A.M2 40 min 10:00 A.M.3 2.2 hr 11:00 A.M.4 30 min 1:00 P.M.5 3.1 hr 12:00 NOON6 25 min 2:00 P.M.Determine the sequence in which she should perform the jobs in order tominimizea. Mean flow time.b. Number of tardy jobs.c. Maximum lateness.Now you are being hired as a scheduler in the manufacturing unit of surgical instruments. Your job is to schedule four jobs on the two machines. The job processing time in minutes for the four jobs is given below: A с D Machine 1 Machine 2 3.43 0.11 B 1.58 0.46 3.62 2.29 4.05 4.52 The optimal schedule using Johnson method and makespan for the jobs is: (A)BCBA, 12.79 minutes (B) ABCD, 5.41 minutes (C) DCBA, 12.79 minutes (D) CDBA, 5.41 minutesSuppose a chef ices and decorates cupcakes in batches of 100. Each batch requires 30 minutes to setup the equipment, and each cupcake in the batch takes 2 minutes to process. What is the throughput capacity (in cupcakes and/or minutes)? Pick the closest answer. Group of answer choices a .5 b 1 c 1.5 d 2 e 2.5 f 3
- Terry, Inc., makes gasoline storage tanks. All production is done under contract. The company makes three basic models, but each model must be adapted to customer specifications for the location of outlets, insulation, and paint. It takes from three to six months to complete a tank. How should Terry account for the income for the business?The textile company “Designs Sports” is dedicated to the production of sports clothing. In its line has shorts, pants and t-shirts. From management they requested to manufacture the quantity of each product to maximize profits. To manufacture each type of garment It goes through two areas, sewing and finishing. Furthermore, all three garments require the same type of fabric. Two people work in the sewing area, while in the production area finished only one. In the company we work 8 hours a day, 5 days a week. The Weekly fabric availability is 375 square meters. Lastly, each shirt contributes $100 US to profits, each short with $80 US; and each pair of pants with $150 US. Solve this operations research problem.Tuff-Rider, Inc., manufactures touring bikes and mountain bikes in a variety of frame sizes, colors, and component combinations. Identical bicycles are produced in lots of 100. The projected demand, lot size, and time standards are shown in the following table: Item Touring Mountain Demand forecast Lot size Standard processing time Standard setup time 5,000 units/year 100 units .25 hour/unit 2 hours/lot 10,000 units/year 100 units .50 hour/unit 3 hours/lot The shop currently works 8 hours a day, 5 days a week, 50 weeks a year. It operates five workstations, each producing one bicycle in the time shown in the table. The shop maintains a 15 percent capacity cushion. How many workstations will be required next year to meet expected demand without using overtime and without decreasing the firm’s current capacity cushion?