System capacity is based on:a) the bottleneck.b) throughput time.c) time of the fastest station.d) throughput time plus waiting time.c) none of the above.
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System capacity is based on: a) the bottleneck. b) throughput time. c) time of the fastest station. d) throughput time plus waiting time. c) none of the above. |
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- What is the answer to this question: The stylish hair salon has three stylists who provide services to women. After checking in with the receptionist, which takes an oaverage of 1min/customer, hair is washed and styled for 25 min on average, then payment takes 3 min. b) what i the average throughput time?Alpha Taxi and Hauling also plans to have cabs at a new rail station. The expected arrivalrate is 4.8 customers per hour, and the service rate (including return time to the rail station)is expected to be 1.5 per hour. How many cabs will be needed to achieve an average time inline of 20 minutes or less?Cycle Time and Velocity, MCE Computador has a manufacturing plant in Des Moines that has the theoretical capability to produce 253,000 laptops per quarter but currently produces 75,900 units. The conversion cost per quarter is $9,108,000. There are 63,250 production hours available within the plant per quarter. In addition to the processing minutes per unit used, the production of the laptops uses 8 minutes of move time, 22 minutes of wait time, and 5 minutes of rework time. (All work is done by cell workers.) Required: 1. Compute the theoretical and actual velocities (per hour) and the theoretical and actual cycle times (minutes per unit produced). If required, round to one decimal place. Theoretical Actual Velocity fill in the blank 1 laptops per hour fill in the blank 2 laptops per hour Cycle time fill in the blank 3 minutes per laptop fill in the blank 4 minutes per laptop 2. Compute the ideal and actual amounts of conversion cost assigned per laptop. If required,…
- RideShare offers short-term rentals of vehicles that are kept in small lots in urbanneighborhoods with plenty of potential customers. With one lot, it has eight cars. Theinterarrival time of potential demand for this lot from its base of customers is 40 minutes.The average rental period is five hours. If a customer checks availability of vehicles in thislot online and finds that they are all rented for the desired time, the customer skips rentingand finds alternative arrangements. However, because customers pay a monthly fee tosubscribe to this service, RideShare does not want customers to be disappointed too often.a. What is the offered load?b. What is the implied utilization?c. What is the capacity of the process (rentals per hour)?d. What is the probability that all eight cars are rented at the same time?e. How many customers are served every hour?f. What is the utilization of the cars?g. How many cars should it have in this lot to ensure that it serves at least 90 percent ofdemand?Panini, a popular sandwich shop, offers 3 types of sandwiches: grilled vegetables, grilled chicken, and pastrami. The table below provides demand data: Grilled Vegetables Grilled Chicken Pastrami Demand per hour 25 9 12 There are up to five steps in the process of making sandwiches listed below with activity times (if no activity time, then than step is not done for that sandwich). Only 50% of customers want their sandwich toasted, no matter which sandwich is ordered. Step Grilled Vegetables(in minutes) Grilled Chicken(in minutes) Pastrami(in minutes) Cut bread 1 1 1 Grill 1.2 1.2 Slice meat 2 Toast 1.2 1.2 1.2 Wrap 0.8 0.8 0.8 Suppose Panini employs 1 worker at each step. a) Does Panini have enough capacity to fulfill the current demand for sandwiches? (b) What is the current capacity cushion for Panini? (as a %) c) If demand for Pastramis increase with the percentage indicated below, how much additional workers should Panini hire (if any), and where…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.
- T F Piggyback service is unique to air freight.A work system has five stages with processing times of of 6, 4, 2, 8, and 10 mins/unit. A product must go through these stages in a sequantial order. What is the bottleneck capacity in units/hour? (Only enter a number, do not enter any units. Round your answer to the nearest whole number.Bobby, another enterprising barber, is thinking about advertising in the local newspaper since he is idle 45 percent of the time. Currently, customers arrive, on average, every 40 minutes. What does the arrival rate need to be for Bobby to be busy 85 percent of the time? Note: Round your intermediate calculations to 3 decimal places and final answer to 2 decimal places.
- Describe how the common tools for capacity planningsuch as waiting-line models, simulation, and decisiontrees assist in capacity decisions.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?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?