OPERATIONS MANAGEMENT (LL)-W/ACCESS
17th Edition
ISBN: 9781260037821
Author: CACHON
Publisher: MCG
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Chapter 4, Problem 3CQ
Summary Introduction
To explain: The impact on labor content.
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A nonbottleneck worker currently has an idle time of 20 seconds per unit. Because ofthe large demand, the company improves the process by adding more capacity to thebottleneck. How does this impact the idle time of the worker?a. The idle time would decrease.b. The idle time would stay the same.c. The idle time would increase.d. Cannot determine from the given information
Cubway, the sandwich shop, is run by Jim, Tim and Kim. When a customer arrives, Jim spends 5 minutes taking order from the customer. After this, Tim prepares bread and Kim prepares filling for the order. These activities are performed in parallel, and take 6 and 12 minutes respectively. Jim then assembles the bread and filling, which takes 4 minutes of his time. Finally, Tim spends 1 minutes in delivering the order and taking payment. What is maximum number of sandwiches Cubway can make per hour? (In other words, what is the capacity of the process in sandwiches per hour?)
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Argument
Chapter 4 Solutions
OPERATIONS MANAGEMENT (LL)-W/ACCESS
Ch. 4 - Prob. 1CQCh. 4 - Prob. 2CQCh. 4 - Prob. 3CQCh. 4 - Prob. 4CQCh. 4 - Prob. 5CQCh. 4 - Which of the following statements about takt time...Ch. 4 - Prob. 7CQCh. 4 - Prob. 8CQCh. 4 - How does the target manpower change as the demand...Ch. 4 - What happens to the target manpower if the labor...
Ch. 4 - Which of the following actions does not relate to...Ch. 4 - Prob. 12CQCh. 4 - Prob. 13CQCh. 4 - Prob. 14CQCh. 4 - Specialization typically leads to a higher average...Ch. 4 - Prob. 16CQCh. 4 - Prob. 17CQCh. 4 - Prob. 18CQCh. 4 - Prob. 1PACh. 4 - Prob. 2PACh. 4 - Prob. 3PACh. 4 - Prob. 4PACh. 4 - Prob. 5PACh. 4 - Prob. 6PACh. 4 - Prob. 1C
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- You observe a bank and notice that a customer leaves the bank about every five minutes.These five minutes between customers are:a. the capacity of the process.b. the processing time of the last resource.c. the cycle time.d. the lead timearrow_forwardSupervisor Tom Choi at Tempe Equipment Company is concerned that material is not arriving as promptly as needed at work cells. A new kanban system has been installed, but there seems to be some delay in getting the material moved to the work cells so that the job can begin promptly. Choi is interested in determining how much delay there is on the part of his highly paid machinists. Ideally, the delay would be close to zero. He has asked his assistant to determine the delay factor among his 10 work cells. The assistant collects the data on a random basis over the next 2 weeks and deter- mines that of the 1,200 observations, 105 were made while the oper- ators were waiting for materials. Use a 95% confidence level and a {3% acceptable error. What report does he give to Choi?arrow_forwardThe bottleneck resource in a process has the least idle time. True or false?a. Trueb. Falsearrow_forward
- How does the takt time change as the demand rate increases?a. The takt time increases.b. The takt time stays the same.c. The takt time decreases.d. Cannot determine from the given information.arrow_forwardConsider a process consisting of three resources. Assume there exists unlimited demand for the product. Resource 1 has a processing time of 4 minutes per unit. Resource 2 has a processing time of 7 minutes per unit. Resource 3 has a processing time of 5 minutes per unit. The three resources are staffed by different workers individually. c. What is the utilization of resource 2?arrow_forwardHello! I need help with this Little's Law question in my homework: Strohrmann, a large-scale bakery in Pennsylvania, is laying out a new production process for their packaged bread, which they sell to several grocery chains. It takes 12 minutes to bake the bread. How many loaves of bread must be baked per minute to produce 4,000 loaves of bread per hour? (Round the answer to 2 decimal places.) How large an oven is required so that the company is able to produce 4,000 loaves of bread per hour, as measured in terms of the number of units that can be baked simultaneously? (Round your answer to the nearest whole number.)arrow_forward
- CodeDeskInc matches programmers with freelance jobs. It has 30 employees who staffits online chat room. It receives, on average, 240 chat requests per hour, and the average chat session takes 5 minutes to complete (i.e., from start to finish). On average, howmany chat sessions are active (i.e., started but not completed)?arrow_forwardCharles Lackey operates a bakery in Idaho Falls, Idaho. Because of its excellent product and excellent location, demand has increased by % in the last year. On far too many occasions, customers have not been able to purchase the bread of their choice. Because of the size of the store, no new ovens can be added. At a staff meeting, one employee suggested ways to load the ovens differently so that more loaves of bread can be baked at one time. This new process will require that the ovens be loaded by hand, requiring additional manpower. This is the only thing to be changed. The bakery currently makes loaves per month. The pay will be $ per hour for employees and each employee works 160 hours per month.Charles Lackey can also improve the yield by purchasing a new blender. The new blender will mean an increase in his investment. This new blender will mean an increase in his costs of $ per month, but he will achieve the same new output (an increase to ) as the change in labor…arrow_forwardJack, the owner and manager of Jack’s Box Company, wantsto monitor usage at Work Center 3, which is a bottleneck in thesystem. He has collected data on the planned and actual input andoutput. (a) Complete the input/output record.(b) Describe your concerns based on the results of theinput/output analysis.arrow_forward
- What is the relationship between the processing time at a resource and its capacity?a. They are the same.b. They are reciprocals of each other.c. They are multiples of each other.d. They are not related.arrow_forwardSupervisor Tom Choi at Tempe Equipment Companyis concerned that material is not arriving as promptly as needed atwork cells. A new kanban system has been insta lled, but there seemsto be some delay in getting the material moved to the work cells sothat the job can begin promptly. Choi is interested in determininghow much delay there is on the part of his highly paid machinists.Ideally, the delay would be close to zero. He has asked his assistantto determine the delay factor among his 10 work cells. The assistantcollects the data on a random basis over the next 2 weeks anddetermines that of the 1,200 observations, 105 were made while theoperators were waiting for materials. Use a 95% confidence leveland a ±3% acceptable error. What report does he give to Choi?arrow_forwardThe OR is available for 12 hours a day; the hospital has decided to not perform any procedures between 7pm and 7am. This time is equally divided across three surgeons. The standard procedure time for the knee surgery done at the clinic is 1h. The cleaning and housekeeping that needs to happen after each procedure takes 20 minutes. Almost all of this time could be saved if the cleaning crew were notified earlier on. 10 minutes are spent on patient preparation / anesthesia work before each procedure. (Note: this is not part of the 60-minute procedure time). Proposals have been evaluated to move these 10 minutes to outside the OR, and there exists no medical reason that would prohibit doing this.) A surgeon only starts a case if all of the work associated with the case (preparation, procedure, and cleaning) can be completed in the 4h allotted to each surgeon. Surgeons never start BEFORE their allotted time. Though the clinic aims to operate 7 days a week, holidays, vacation, and…arrow_forward
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