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.
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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.
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- Suppose a resource has setup times and a setup time must be incurred each time theresource switches production to a different product. Requiring the resource to make anew product (that requires its own setup) is likely to have what effect on the process?a. Inventory for existing products remains the same, but the process must now carryinventory of the new product.b. Inventory of all products is likely to increase.c. Inventory of existing products decreases even though the process must now carryinventory of the new product.d. Inventory of products with short setup times will decrease, while inventory of products with long setup times will increase.To 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. False. 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?
- . 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?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)?An automated machine runs for an 8-hr shift and requires an operator to run it. There are a few planned breakouts such as a 45-minute lunch break and a 10-minute production update break in the morning and a15-minute break during the shift. There are unplanned breakdown reports that have shown a repeatable average of 50 minutes per shift. The machine requires 25 minutes of tooling changeover and 25 minutes for adjustments to get a good product yield. Idling & minor stoppages account for an average of 10 minutes per shift. The machine only produces 3% defective product which includes any start-up adjustment losses. Calculate the Overall Equipment Effectiveness (OEE) for the equipment given the data.
- Consider the following three-step assembly operation with quality problems. All resources 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% probability, the flow unit coming out of the third resource has to be reworked. In that case, the operations at the second and third resources are repeated. You can assume that (a) rework always succeeds (i.e. a unit going through the rework loop will always work after the third resource),and (b) the processing times for units in rework are the same as for regular units. Where in the process is the bottleneck? 1 point Step 3 Step 2 Step 1 5.Question 5Consider the following three-step assembly operation with quality problems. All resources 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% probability, the flow unit coming out of the third resource has to be reworked. In that case, the operations at the second and third resources are repeated. You can assume that (a) rework always succeeds (i.e. a unit going through the rework loop will always work after the third resource),and (b) the processing times for units in rework are the same as for regular units. For every unit of demand, how many units have to flow through the second step in the process?Consider the following three-step assembly operation with quality problems. All resources 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% probability, the flow unit coming out of the third resource has to be reworked. In that case, the operations at the second and third resources are repeated. You can assume that (a) rework always succeeds (i.e. a unit going through the rework loop will always work after the third resource),and (b) the processing times for units in rework are the same as for regular units. Where in the process is the bottleneck?
- It is possible to increase process capacity by balancing a process. True or false?a. Trueb. FalseA 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:______percentThe production manager of Batasan Enterprises wants to improve its cycle efficiency by cutting on the value add time by 2 hours and the non-value add time by 56 minutes. What will be the new cycle efficiency if the changes are implemented? Assume that the original value add time is 9 hours and the non-value add time is 146 minutes which consists of set up time, waiting time, and move time. Write your answer in whole percentage figure only.