OPERATIONS MANAGEMENT
2nd Edition
ISBN: 9781260238877
Author: CACHON
Publisher: RENT MCG
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Chapter 7, Problem 1PA
Summary Introduction
To determine: The impact on the resource capacity.
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The batch size is cut in half on a resource that has a setup time. What is the likelyimpact on the resource’s capacity?a. Decrease by more than 50 percentb. Decrease by 50 percentc. Decrease by less than 50 percentd. No impact
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1. A donut store is open 8 hours a day and sells two types of donuts: blueberry cake donut and chocolate frosted donut. On average, the demand is 80 donuts per day for EACH type. The store has only one machine, which makes both types, and once it starts, it produces one donut every 2 minutes for either type. The production alternates between the two types, i.e., a batch of one type is followed by a batch of the other. The setup time is 20 minutes for either type.
If the batch size is 10 donuts per batch, what is the capacity per day for each type of donut?
If the batch size is 20 donuts per batch, what is the capacity per day for each type of donut?
What is the minimal batch size in order to satisfy demand for both types?
If the setup time is 8 minutes for either type, and the batch size is 20 donuts per batch, what is the capacity per day for
each type of donut? (You can assume that at the end of the day, any unfinished production of the last batch can be resumed immediately…
Chapter 7 Solutions
OPERATIONS MANAGEMENT
Ch. 7 - Prob. 1CQCh. 7 - Prob. 2CQCh. 7 - Prob. 3CQCh. 7 - Prob. 4CQCh. 7 - Prob. 5CQCh. 7 - Prob. 6CQCh. 7 - Prob. 7CQCh. 7 - Prob. 8CQCh. 7 - Prob. 9CQCh. 7 - Prob. 10CQ
Ch. 7 - Prob. 11CQCh. 7 - Prob. 12CQCh. 7 - Prob. 13CQCh. 7 - Prob. 14CQCh. 7 - Prob. 1PACh. 7 - Prob. 2PACh. 7 - Prob. 3PACh. 7 - Prob. 4PACh. 7 - Prob. 5PACh. 7 - Sarahs Organic Soap Company makes four kinds of...Ch. 7 - Prob. 7PACh. 7 - Prob. 8PACh. 7 - Bruno Fruscalzo decided to set up a small...Ch. 7 - Prob. 10PACh. 7 - Prob. 11PACh. 7 - Prob. 1CCh. 7 - Prob. 2CCh. 7 - Prob. 3CCh. 7 - Prob. 4C
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- . The primary purpose of the “Single-Minute Exchange of Die” philosophy is to:a. reduce the setup time for a resource.b. increase the flow rate of a process.c. decrease the utilization of a process.d. eliminate resources that have setup times.arrow_forwardWhich of the following regarding the impact of batch size is WRONG? a. A large batch size increases the total time in a cycle. b. A large batch size introduces more output variation to the process. c. A large batch size generates a high level of inventory. d. A large batch size improves the capacity. But the marginal capacity improvement has a decreasing trend. e. None of the above.arrow_forwardIn 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 requiredarrow_forward
- P1 P4 P2 P3 P5 P5 P5 P6 ... P1 has a production rate of 15 units/hour, P2 = 30 units/hour, P3 = 10 units per hour, P4 = 4 units/hour, P5 = 1 unit(s) per hour for each P5 and P6 = 6 units per hour. Operation P4 occurs seperately from and simultaneously with operations P1-P3. Operation P5 has three parallel and identical lines; therefore, each part only needs to go through one of the three lines. Consider the following two independent improvements: Improvement 1: Change station P4 into two connected stations (P4-1 and P4-2, connected in series) that have process times of 4 min/unit and 6 min/unit respectively. Improvement 2: Add two additional P5 stations to give you 5 parallel and identical lines. Improvement 2 increases capacity because it improves the bottleneck. The new bottleneck is station P4 since the original bottleneck has a process time of The new yearly capacity would be units per year. a) Which of the two improvements will provide the largest increase in capacity? What is the…arrow_forwardA company wants to produce 10,00 units of an item over the next three months at a uniform rate. Because of an annual shutdown in the third month, the first month has 15 working days; the second, 18 working days; and the third, 10 working days. On the average, how much should the company produce each day to level production?arrow_forwardAn order which is being processed on the shop floor but is not yet finished is called open order. Select one: a. False b. Truearrow_forward
- LENILOVESBATO Co. produces various types of floor rugs with many different designs. They typically produce at least 200 rugs with a single machine setup. A cost incurred each time a new rug design is developed is called a(n) a. Unit-level cost b. Batch-level cost c. Product-level cost d. Facility-level costarrow_forwardWhich one of the following is a variable to be considered when calculatingproduction lot size? a forecasted demandb customer orderc the lower of customer orders and forecasted demandd the higher of customer orders and forecasted demandarrow_forwardThe White Tooth Device Company is a manufacturer of high-end electric toothbrushes. For each toothbrush, there is a sequence of assembly steps performed by five workers. Each worker does two tasks. Inventory buffers are allowed between workers. (a) What is the capacity and cycle time of this process? (b) What is the idle time of each worker if the process operates at full capacity? (c) Suppose two workers could be hired, F and G, and they take the same time to complete tasks as the current five workers. F and G can be assigned to work on the same pair of tasks as one of the current workers. For example, F could be assigned tasks T1 and T2 (just like worker A) while G is assigned T5 and T6 (just like worker C). They cannot be assigned tasks that are currently assigned to two workers. For example, F cannot be assigned to tasks T2 and T3 (because they are currently being done by workers A and B). What is the capacity of this process with workers F and G included?arrow_forward
- Answers letters f and garrow_forwardIf the cost of goods manufactured is higher than the cost of goods sold, which of the following is correct? A. Finished Goods Inventory has decreased. B. Work in Process Inventory has decreased C. Finished Goods Inventory has increased. D. Work in Process Inventory has increased.arrow_forwardWork-in-process inventory is devoted to maintenance, repair, and operating materials. A True B Falsearrow_forward
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