The Pullman Mfg., Inc. three-station work cell illustrated in the figure below has two machines at station 1 in parallel. (Theproduct needs to go through only one of the two machines before proceeding to station 2.)+20 min/unitStation 1Machine AStation 2Station 36 min/unit12 min/unitStation 1Machine B20 min/unit Themanager, Ms. Hartley, has asked you to evaluate the system if she adds a parallel machine at station 3.a) The throughput time of the new work cell is minutes (enter your response as a whole number).b) The bottleneck time of the new work cell isminutes per unit (enter your response as a whole number).c) If the firm operates 11 hours per day, 6 days per week, the weekly capacity of the work cell with the second machine at workstation 3 is units (enter your response as awhole number).units (enter your response as ad) If the firm operates 11 hours per day, 6 days per week, the weekly capacity of the work cell without the second machine at workstation 3 iswhole number).

Production is the process in which inputs are combined to have the required output. It includes a…

Answered: a) The throughput time of the new work…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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A work cell at Chris Ellis Commercial Laundry hasa workstation with two machines, and each unit produced at thestation needs to be processed by both of the machines. (The sameunit cannot be worked on by both machines simultaneously.)Each machine has a production capacity of 4 un its per hour.What is the throughput time of the work cell?
A work cell at Chris Ellis Commercial Laundryhas a workstation with two machines, and each unit producedat the station needs to be processed by both of the machines.(The same unit cannot be worked on by both machines simultaneously.) Each machine has a production capacity of 4units per hour. What is the throughput time of the work cell?
When a patient enters the Valley Health Clinical Laboratory to have his blood drawn and a Chemistry Panel and CBC run, he spends, on average 2 minutes at patient check-in, 45 minutes in the waiting area, 5 minutes having his medical history updated, and 8 minutes having his blood taken. If the clinical laboratory has 3 full-time Lab Techs, operates 8 hours per day and demand is 75 patients per day, what is the takt time? Assume that the med techs take a 30 minute lunch. Please enter your response using this format: ## minutes
The Pullman Mfg., Inc. three-station work cell illustrated in the figure below has two machines at station 1 in parallel. (The product needs to go through only one of the two machines before proceeding to station 2.) SEE PICTURE Answer C
At the Millbrook High School cafeteria, students proceed along a series of stations in asingle line: (1) get tray and utensils, (2) choose food, (3) select beverage, (4) pay. Theschool is concerned that students are taking too long to get their meal. The school hasanalyzed the capacities of each of the four steps in isolation and found there exists sufficient capacity at each resource in isolation. Which of the following is most likely to becausing the congestion?a. The bottleneck is probably at the last station because capacity is reduced the mostwhen the bottleneck is at the end of the process.b. The implied utilization of the bottleneck is too low.c. Due to variability in processing times, both blocking and starving could be occurring.d. The process must be demand-constrained.e. The stations have similar utilizations.
A single model manual assembly line produces a product whose work content time = 47.8 min. The line has 24 workstations with a manning level =1.25. Available shift time per day = 8 hr, but downtime during the shift reduces actual production time to 7.6 hr on average. This results in an average daily production of 256 units/day. Repositioning time per worker is 8% of cycle time. Determine (a) line efficiency, (b) balancing efficiency,and (c) repositioning time.
A production line at V. J. Sugumaran's machine shophas three stations. The first station can process a unit in I 0 minutes.The second station has two identical machines, each of whichcan process a unit in 12 minutes. (Each unit only needs to be processedon one of the two machines.) The third station can processa unit in 8 minutes. Which station is the bottleneck station?
3. At Golf Co. product is automated to load golf balls into packaging. On an average day, the equipmentcan load 25 cases per hour, where each case contains 20 boxes and each box contains 12 balls.After maintenance, the machine is loading a little faster so that it takes 0.2 seconds less time to load onegolf ball into a box compared with the normal speed.How many cases per hour can the machine load at this new rate?
Compute the takt time for a system where the total time per shift is 420 minutes, there is one shift, and workers are given 3 11-minute breaks and 40 minutes for lunch. Daily demand is 347 units.
There is a canteen setup serving food (Breakfast, Lunch, Snacks-tea and Dinner) to 500 students in a B school. It has a huge well-furnished dining hall and has a serving zone where students queue to pick up their eatables. The Institute director, during his regular gemba walks in the canteen, has seen a lot of inefficiency in the related operational processes and needs a major improvement. (a)Provide one relatable and relevant example of five of the eight wastes under Lean systems which are likely to be witnessed in the canteen. (b)Recommend lean tools & techniques / system solutions to be employed for curbing each of those five wastes with a line on justification. (c) Suggest three key enablers and measures to track the progress on lean in the canteen.
In a large microelectronics plant, the assembly cell for circuitboards has a demand for 200 units an hour. Two feeder cellssupply parts A and B to the assembly cell (one A and one Bfor each board). Standard containers that look like dividedtrays are used. A container will hold 20 As or 10 Bs. It takes10 minutes to fill up a container with As and 20 minutes tofill up a container with Bs. Transit time to the assembly cell is5 minutes for both A and B. No safety factor is used. Set up akanban control system for the assembly process.
In order to produce 1000 units of X in a week  units X is scheduled weekly for Operation B (due to 5% scrap ratio)  units X is scheduled weekly for Operation A (due to 2% scrap ratio) Based on your answer in part a, find the number of machines required to produce 1000 units of X per week.  The total time required to perform Operation B = minutes per week  The total time required to perform Operation A = minutes per week H= Available Time in a week = minutes /week Thus FA = . FB = . Since both of the operations A and B are performed on the same machine  machines are required

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