Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 8, Problem 7CQ
Summary Introduction
To identify: If the given statement is true or false.
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A copy machine is available 24 hours a day. On a typical day, the machine produces 100 jobs. Each job takes about 3 minutes on the machine, 2 minutes of which is processing time and 1 minute is setup time (logging in, defining the job). About 20 Percent of the jobs need to be reworked, in which case the setup time and the processing time have to be repeated. The remainder of the time, the equipment is idle.
What is the OEE of the equipment?
answer:______percent
Which 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.
What is the difference between a push system and a pull system?(a) A push system favors running a machine, even if there exists no demand for it.(b) In a pull system, the last resource is paced directly by demand.(c) Generally, there will be less inventory in a pull system.(d) All of the above
Chapter 8 Solutions
Operations Management
Ch. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Prob. 4CQCh. 8 - Prob. 5CQCh. 8 - Prob. 6CQCh. 8 - Prob. 7CQCh. 8 - Prob. 8CQCh. 8 - What are the two pillars of the Toyota Production...Ch. 8 - Prob. 10CQ
Ch. 8 - Prob. 11CQCh. 8 - Prob. 12CQCh. 8 - Prob. 13CQCh. 8 - Prob. 14CQCh. 8 - Prob. 15CQCh. 8 - Prob. 16CQCh. 8 - Prob. 17CQCh. 8 - Prob. 18CQCh. 8 - Prob. 19CQCh. 8 - A company makes two models, A and B. Which of the...Ch. 8 - Prob. 21CQCh. 8 - Prob. 22CQCh. 8 - Prob. 23CQCh. 8 - Prob. 24CQCh. 8 - Prob. 25CQCh. 8 - Prob. 26CQCh. 8 - Prob. 1PACh. 8 - Prob. 2PACh. 8 - Prob. 3PACh. 8 - Prob. 4PACh. 8 - Prob. 5PACh. 8 - Prob. 6PACh. 8 - Prob. 7PACh. 8 - Prob. 8PACh. 8 - Prob. 9PACh. 8 - Prob. 10PA
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- The information turnaround time is driven primarily by:a. the number of workers.b. the IT system.c. the inventory in the process.d. the amount of waste in the process.arrow_forwardIf the takt time is shorter than the cycle time, the process needs to run faster. True orfalse?a. Trueb. Falsearrow_forwardWhich 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_forward
- It is possible to increase process capacity by balancing a process. True or false?a. Trueb. Falsearrow_forwardNote- need a correct option without explanation as fast as possible!! The three-stage operations model requires transformation of the input resource into some form of output. Any one 'resource' can be involved at all three stages. True or false? A)True B)Falsearrow_forwardA machine operates with the following production cycle: 15 minutes of setup,45 minutes of production. While in production the machine produces 2 parts per minute.What is the capacity of the machine in parts per minute?arrow_forward
- A machine produces two parts. The switchover time between parts is 10 minutes.The process is demand-constrained and demand is received at the rate of 20 per hour. Themachine produces 180 units of a part before switching to the other part. The processing timeis 1 min per part. What is the average inventory of a part?arrow_forwardA company is increasing the percentage value-added time in the operation. Its value-addedtime and its flow rate remain unchanged. What will happen to its inventory turns? (Recallfrom Chapter 2 that inventory turns are computed as flow rate divided by inventory.)a. Inventory turns will go up.b. Inventory turns will stay constant.c. Inventory turns will go down.d. Cannot determine from the given informationarrow_forwardPeople are served in a process with two resources. A worker in the first resource serves 28 people per hour and a worker in the second resource serves 14 people per hour. The first resource has 3 workers and the second resource has 5 workers. Demand occurs at the rate 14 people per minute (Instruction Round your answer to one decimal place) What is the implied utilization (%) of the second resource?___________arrow_forward
- An intermittent processing can take the form of batch processing or a a job shop. O a. TRUE Ob FALSEarrow_forwardThe resource with the largest total demand rate is the bottleneck. True or false?a. Trueb. Falsearrow_forwardTo find the bottleneck in a process with attrition loss, all we need to do is find theresource with the lowest capacity. True or false?a. Trueb. Falsearrow_forward
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