Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 5, Problem 14CQ
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To identify: If the given statement is true or false.
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If the takt time is shorter than the cycle time, the process needs to run faster. True orfalse?a. Trueb. False
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This is a step in a process that is the slowest compared tothe other steps. This step limits the capacity of the process.
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- . A small, privately owned Asian company is producing a private-label soft drink calledYoggo. A bottling line puts the soft drinks into plastic bottles and then packagesthe bottles into boxes holding 10 bottles each. The bottling line is comprised of thefollowing four steps: (1) the bottling machine takes 1 second to fill a bottle, (2) the lidmachine takes 3 seconds to cover the bottle with a lid, (3) a labeling machine takes3 seconds per bottle, and (4) the packaging machine takes 4 seconds to place a bottleinto a box. When a box has been filled with 10 bottles, a worker tending the packagingmachine removes the filled box and replaces it with an empty box. Assume that thetime for the worker to remove a filled box and replace it with an empty box is negligibleand hence does not affect the capacity of the line. Problem data are summarized in thefollowing table. a. Draw a process flow diagram of this process. b. What is the capacity (bottles/hour) at the resource “Apply a lid”? c. What…arrow_forwardA small, privately owned Asian company is producing a private-label soft drink called Yoggo. A bottling line puts the soft drinks into plastic bottles and then packages the bottles into boxes holding 10 bottles each. The bottling line is comprised of the following four steps: (1) the bottling machine takes 1 second to fill a bottle, (2) the lid machine takes 3 seconds to cover the bottle with a lid, (3) a labeling machine takes 3 seconds per bottle, and (4) the packaging machine takes 4 seconds to place a bottle into a box. When a box has been filled with 10 bottles, a worker tending the packaging machine removes the filled box and replaces it with an empty box. Assume that the time for the worker to remove a filled box and replace it with an empty box is negligible and hence does not affect the capacity of the line. Problem data are summarized in the following table. Process Step Number of Machines Seconds per Bottle Bottling 1 1 Apply a lid 1 3 Labeling 1 3 Packaging 1 4…arrow_forwardA small, privately owned Asian company is producing a private-label soft drink called Yoggo. A bottling line puts the soft drinks into plastic bottles and then packages the bottles into boxes holding 10 bottles each. The bottling line is comprised of the following four steps: (1) the bottling machine takes 1 second to fill a bottle, (2) the lid machine takes 3 seconds to cover the bottle with a lid, (3) a labeling machine takes 3 seconds per bottle, and (4) the packaging machine takes 4 seconds to place a bottle into a box. When a box has been filled with 10 bottles, a worker tending the packaging machine removes the filled box and replaces it with an empty box. Assume that the time for the worker to remove a filled box and replace it with an empty box is negligible and hence does not affect the capacity of the line. Problem data are summarized in the following table. Assuming unlimited demand, what would be the flow rate? Assuming unlimited demand, what would be the utilization at…arrow_forward
- . A resource has an implied utilization of 150 percent. This is the highest implied utilization in the process. This means that the resource is the bottleneck. True or false?a. Trueb. Falsearrow_forward. Consider the following three-step assembly operation with quality problems. Allresources are staffed by one employee.• The first resource has a processing time of 7 minutes per unit.• The second resource has a processing time of 6 minutes per unit.• The third resource has a processing time of 5 minutes per unit. With a 40 percentprobability, the flow unit coming out of the third resource has to be reworked. In thatcase, the operations at the second and third resources are repeated. You can assumethat (a) rework always succeeds (i.e., a unit going through the rework loop willalways work after the third resource) and (b) the processing times for units in reworkare the same as for regular units.Where in the process is the bottleneck? What is the capacity of the process?arrow_forwardExamples of companies that have used SMED One example of a company that succeeded with this system was Toyota, achieving a significant time reduction. Toyota used to take more than four hours to change models on an 800-ton stamping press, when its equivalent at Volkswagen required only two hours. Mention another company that has been successful with this system (SMED).arrow_forward
- Which of the following activities should be reduced or eliminated in order that manufacturing efficiency increases? Moving time of work-in process materials from one work station to another. None of the above. Amount of time consumed by a laborer to add new features to the product. Training of Laborersarrow_forwardWhich of the following statements is true? In a factory operating at capacity, every machine and person should be working at the maximum possible rate. One way to increase the effective utilization of a bottleneck is to reduce the number of defective units.arrow_forwardWhat is the highest possible yield a process can obtain?a. 95 percentb. 100 percentc. 200 percentd. It depends on the processarrow_forward
- Which of the following is not part of the approaches to improving business processes? a. Theory of constraints b. Pull production system c. Push production system d. Six sigmaarrow_forward. Consider the following four-step assembly operation with quality problems. Allresources are staffed by one employee.• The first resource has a processing time of 5 minutes per unit.• The second resource has a processing time of 6 minutes per unit.• The third resource has a processing time of 3 minutes per unit. With a 30 percent probability, the flow unit coming out of the third resource has to be reworked. In that case,the operations at the first, second, and third resources are repeated. You can assumethat (a) rework always succeeds (i.e., a unit going through the rework loop will alwayswork after the third resource) and (b) the processing times for units in rework are thesame as for regular units.• The fourth resource has a processing time of 4 minutes per unit.a. Where in the process is the bottleneck?b. What is the capacity of the process?arrow_forwardA process of making chair is described as follows: Stage 1 Seat and back attached Stage 2 Legs attached The production speeds are 15 chairs per hour for Stage 1 and 30 chairs per hour for stage 2. The cycle time of the process is ______minutes. The flow time of the process is ______ minutes.arrow_forward
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