OPERATIONS MANAGEMENT (LL)-W/ACCESS
17th Edition
ISBN: 9781260037821
Author: CACHON
Publisher: MCG
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Chapter 4, Problem 16CQ
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To explain: If the impact on efficiency improvement will be large or small.
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H4.
A manufacturing process consists of three processes. Step 1 requires 4 minutes per unit, step 2 requires 6 minutes per unit, and step 3 requires 7 minutes per unit. 20% of units that complete the third step require rework, which means those units must start the process over at step 2 (processing times are the same for units being reworked) and rework is always successful. Demand at the shop is 0.4 units per minute.
What is the capacity of the shop (in units per minute)?
It is possible to increase process capacity by balancing a process. True or false?a. Trueb. False
A process has high fixed costs and low variable costs. It is currently capacityconstrained. Will the impact of an efficiency improvement be small or large?a. Smallb. Large
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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- a) Refer to Scenario C: Which task(s) would be blocked? Check all that apply. Task 1 Task 2 Task 3 Task 4 Task 5 b) Refer to Scenario C. What would the utilization of Task 3 be? Pick the closest answer. 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% c) Suppose you are given the same process as Scenario C, except with buffers between each of the tasks (shown attached). Buffers have no limit to the number of items they can potentially hold. Suppose each buffer shaded in blue starts with 35 units in inventory. After 3 hours, approximately how many finished units will Task 5 have produced? Pick the closest answer. 10 20 30 40 50 60arrow_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.arrow_forwardWhat is the highest possible yield a process can obtain?a. 95 percentb. 100 percentc. 200 percentd. It depends on the processarrow_forward
- A 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_forwardPlease do not give solution in image format thanku Meals are the flow unit in a process with two sequential resources. The capacities of the resources are 28 and 24 meals per minute. Demand occurs at the rate 31 meals per minute. What is the utilization (%) of the second resource? Note: Round your answer to 1 decimal place.arrow_forwardAn injector machine goes down roughly 20% of the time (the injector gums up and needs to be cleaned, a quick process). One operator is assigned to service three identical such machines. Each machine can produce 100 parts/h if running properly (i.e., not down). The operator is paid $10/h and each machine costs $20/h to operate. Consider 8hr/shift a) Please fill in the table below: b) How many parts can you produce per shift? c) What is the unit cost fper part for this operation? d) If you hire another operator at the same rate to assist the first operator, what is the unit cost now? e) Is it worth hiring another operator at the same rate to assist the first operator, in case more than one machine goes down at the same time?arrow_forward
- . 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_forwardWhat 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 abovearrow_forwardTeddy Fields is the Kitchen Manager at the Tanron Corporation International Headquarters. The facility he helps manage serves 3000 employees per day. Teddy very much needs an additional dishwasher, and is interviewing Wayne, an excellent candidate with 5 years experience who is now washing dishes at the Roadway restaurant. Teddy normally starts his dishwashers at $12.00 per hour. Wayne states that he makes $13.00 per hour, a rate that is higher than all but one of Teddy’s current dishwashers. Wayne states that he would not leave his current job to take a “pay-cut”. Should Teddy offer to hire Wayne at a rate higher than most of his current employees? Why or why not?arrow_forward
- Heizer and Render advises that when analyzing and designing processes to transform resources into goods, the followingquestions should be asked:- Is the process designed to achieve competitive advantage in terms of differentiation, response or low cost?- Does the process eliminate steps that do not add value?- Does the process maximize customer value as perceived by the customer?- Will the process win orders?A Time-Function Map is similar to a flow process chart, but with time added to the horizontal axis. With time-function mapping,notes indicate the activities and arrows indicate the flow direction, with time on the horizontal axis.arrow_forwardHeizer and Render advises that when analyzing and designing processes to transform resources into goods, the followingquestions should be asked:- Is the process designed to achieve competitive advantage in terms of differentiation, response or low cost?- Does the process eliminate steps that do not add value?- Does the process maximize customer value as perceived by the customer?- Will the process win orders?A Time-Function Map is similar to a flow process chart, but with time added to the horizontal axis. With time-function mapping,notes indicate the activities and arrows indicate the flow direction, with time on the horizontal axis. 1. Choose a process within your organization and construct a Baseline Time-Function Maparrow_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_forward
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