Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 7, Problem 2CQ
Summary Introduction
To determine: The number of components made in the production cycle.
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A product requires four parts that are made on the same lathe. Call the parts A, B, C,and D. The product requires 1 unit of A, 2 of B, 4 of C, and 8 of D. Which of the following production cycles is most appropriate?a. A: 100, B: 100, C: 100, D: 100 c. A: 100, B: 150, C: 200, D: 400b. A: 101, B: 102, C: 104, D: 108 d. A: 100, B: 200, C: 400, D: 800
A machine makes two components; call them types A and B. It takes 630 seconds to switch production between the component types. During that time, no production occurs. When in production, each unit of A or B requires 0.5 second to be completed. The two components, A and B, are combined in an assembly process to make a final product; call it C. The assembly step can combine the two components into 1 unit every 4 seconds, or 15 units per minute.
Suppose the machine rotates between one batch of 2,520 units of A and 2,520 units of B. In that case, what is the capacity of the machine in component pairs per minute, where a component pair is one unit of A and one unit of B?
A machine makes two components; call them types A and B. It takes 630 seconds to switch production between the component types. During that time, no production occurs. When in production, each unit of A or B requires 0.5 second to be completed. The two components, A and B, are combined in an assembly process to make a final product; call it C. The assembly step can combine the two components into 1 unit every 4 seconds, or 15 units per minute.
Suppose the machine rotates between one batch of 2,520 units of A and 2,520 units of B. In that case, what is the capacity of the machine in component pairs per minute, where a component pair is one unit of A and one unit of B?
Suppose the machine rotates between one batch of 2,520 units of A and 2,520 units of B. What is the utilization of the machine?
Suppose the machine rotates between one batch of 2,520 units of A and 2,520 units of B. What is the average inventory of B components?
If the production schedule could be adjusted with…
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 - Sarahs Organic Soap Company makes four kinds of...Ch. 7 - Prob. 6PACh. 7 - Prob. 7PACh. 7 - Bruno Fruscalzo decided to set up a small...Ch. 7 - Prob. 9PACh. 7 - Prob. 10PACh. 7 - Prob. 1CCh. 7 - Prob. 2CCh. 7 - Prob. 3CCh. 7 - Prob. 4C
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- A machine makes two components; call them types A and B. It takes 250 seconds to switch production between the component types. During that time, no production occurs. When in production, each unit of A or B requires 0.5 second to be completed. The two components, A and B, are combined in an assembly process to make a final product; call it C. The assembly step can combine the two components into 1 unit every 2 seconds, or 30 units per minute. Assume there is ample demand. Suppose the machine rotates between one batch of 1,000 unties of A and 1,000 units of B. What is the utilization of the machine? answer: _____percentarrow_forwardA machine makes two components; call them types A and B. It takes 250 seconds to switch production between the component types. During that time, no production occurs. When in production, each unit of A or B requires 0.5 second to be completed. The two components, A and B, are combined in an assembly process to make a final product; call it C. The assembly step can combine the two components into 1 unit every 2 seconds, or 30 units per minute. Assume there is ample demand. Suppose the machine rotates between one batch of 1,000 untis of A and 1,000 units of B. In that case, what is the capacity of the machine in component pairs per minute, where a component pair is one unit of A and one unit of B? answer: __________ component pair per minutearrow_forward1. In a worker paced assembly line, consider a situation where the daily requirement has suddenly increased. Which of the following statements will be true? a) The required cycle time will also increase proportionally b) The minimum number of workstations required will come down c) The idle times at many workstations will increase d) It will be possible to handle the new requirement by increasing the available time. 2. Which of the following statements will hold good in the case of a system with uncertainty in demand for service and in service times? a) When the utilization of resources fall it is an indication of greater efficiency of the service b) It is a good practice to plan for resource utilization levels more than 85% c) Cost of waiting to get serviced is directly proportional to the cost of providing the service d) None of the above 3. Which of the following pertains to an efficient supply chain? a) It deals with innovative products b) The product life cycle will be…arrow_forward
- Which 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_forwardConsider the following batch-flow process consisting of three process stepsperformed by three machines. Process steps step 1 step 2 step 3 processing time 0.25min./unit 0.20 min./unit 0.15 min./unit setup time 30 min 20 min 45 min Work is processed in batches at each step. Before a batch is processed at a step, the machine atthat step must be set up. (During a setup, the machine is unable to process any product.) Assumethat there is a dedicated setup operator for each machine (i.e., there is always someone availableto perform a setup at each machine.)a. What is the capacity of step 1 if the batch size is 35 parts?b. For what batch sizes is step 1 (2, 3) the bottleneck?arrow_forwardCalculate Lead Time Williams Optical Inc. is considering a new lean product cell. The present manufacturing approach produces a product in four separate steps. The production batch sizes are 66 units. The process time for each step is as follows: Process Step 1 7 minutes Process Step 2 5 minutes Process Step 3 9 minutes Process Step 4 4 minutes The time required to move each batch between steps is 16 minutes. In addition, the time to move raw materials to Process Step 1 is also 16 minutes, and the time to move completed units from Process Step 4 to finished goods inventory is 16 minutes. The new lean layout will allow the company to reduce the batch sizes from 66 units to 4 units. The time required to move each batch between steps and the inventory locations will be reduced to 3 minutes. The processing time in each step will stay the same. Determine the value-added, non-value-added, and total lead times, and the value-added ratio under the present and proposed production…arrow_forward
- Increasing the batch size on a resource with setups always increases the capacity of theprocess. True or false?a. True b. Falsearrow_forwardAnguilla Manufacturing is interested in using the data col-lected during Value Stream Mapping to evaluate the currentstate performance of the capacity of its manual assembly lineprocess under different batch size assumptions. The avail-ability of processing per shift, after accounting for breaks anda mid-shift employee meeting, is 436 minutes. The currentoperating characteristics of each processing step are foundin the table below. Note that each step can only processone part at a time and all steps must process the same sizedbatches. a. Calculate the average processing time per unit and thecapacity at each step assuming batch sizes of:i. 10 unitsii. 20 unitsiii. 30 unitsiv. 40 unitsb. Identify the bottleneck operation and the line’s processingcapacity for each batch size listed in part a.c. Explain why batch sizes beyond 40 units will not increasethe line’s processing capacity further.arrow_forward1. Rapid-Lube provides oil changes and lubes. The estimated number of oil changes for April and May are 3,600 and 4,000. Each oil change takes 12 minutes of direct labor. The wage rate is $10 per hour. Overhead is $3,700 per month and $2 per oil change. Budgeted overhead for May is $__________________. Budgeted overhead for April is $__________________. Budgeted direct labor for May is $__________________. Budgeted direct labor for April is $__________________. 2. You have decided to throw a party next weekend for 20 friends. The friends are going to bring health food, so all you have to have available are the drinks. You estimate that, on average, each person will drink four bottles of soft drinks. Three of your friends will drink only natural soda without unneeded color so Sulo Ginger Ale should work well for them. For the others, you decide to buy Sulo Cola. Before going online, you check the refrigerator you already have six bottles of Sulo Ginger Ale and 14 of Sulo Cola.…arrow_forward
- Please do not give solution in image formate thanku. The Attaran Corporation manufactures two electrical products: portable air conditioners and portable heaters. The assembly process for each is similar in that both require a certain amount of wiring and drilling. Each air conditioner takes 3 hours of wiring and 2 hours of drilling. Each heater must go through 2 hours of wiring and 1 hour of drilling. During the next production period, 240 hours of wiring time are available and up to 130 hours of drilling time may be used. Each air conditioner sold yields a profit of $20. Each heater assembled may be sold for a $11 profit.arrow_forwardConsider the following batch flow process consisting of three process steps performed by three machines. What is the capacity of the process given the following information? Batch size = 50 parts Step 1 - Processing Time = 1 minute/part; Setup time = 20 minutes Step 2 - Processing Time = 2 minute/part; Setup time = no setup Step 3 - Processing Time = 1.5 minute/part; Setup time = no setuparrow_forwardIt is possible to increase process capacity by balancing a process. True or false?a. Trueb. Falsearrow_forward
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