C720 Operations and Supply Chain Management Pre-Assessment exam |125 questions with 100% correct answers

Conformance 1. A company makes rulers that are designed to be 20 cm in length with allowance ±0.1 cm. If the actual length of a ruler is 20.2 cm, which factor will the company use to judge the quality of the length of the rulers? Performance Features Conformance Serviceability Aesthetics Durability 2. Which aspect of quality is demonstrated by a vehicle that has a useful life of 165,000 miles? Performance Reliability Features Durability Juran Institute's management theory 3. Which quality management philosophy assigns cost to quality, defines quality by how well a product can be used for its intended purpose, and uses Pareto charts? 1. Deming's 14 points for management 2. Juran Institute's management theory 3. Taguchi methods 4, Shewhart cycle 5. Crosby's "Quality Is Free" Ishikawa's quality circle 4. Which quality management philosophy uses cause-and-effect fishbone diagrams for root-cause analysis, emphasizes a bottom-up approach to quality, and considers standardization and quality control to move together in improvement? Six Sigma Goldratt's theory of constraints Deming's 14 points for management Taguchi methods Ishikawa's quality circle Deming: Cease dependence on inspection to achieve quality. Eliminate the need for inspection. Build quality into the product in the first place. 5. An employee at a company thinks the department could improve its performance metrics by inspecting 100% of all finished product. Which quality management philosophy would address this employee's opinion? Deming: Cease dependence on inspection to achieve quality. Eliminate the need for inspection. Build quality into the product in the first place. 1. Control charts to measure the time elapsed to completion 4. Run charts to chart output around the 14-day central tendency 6. A company sells garage doors through a national retailer and contracts with local installers to complete the installations. The operations manager is responsible for completing the installations in a 14-day period after the sale. The company will be penalized financially if it fails to achieve these objectives. The operations manager's daily responsibilities include contacting installers to expedite orders and ensure deadlines are met. Which two tools that should be used to measure installer performance? Choose 2 answers 1. Control charts to measure the time elapsed to completion 2. Fishbone diagram to chart the method, material, machine, and manpower 3. Gantt chart to measure how much performance has improved 4. Run charts to chart output around the 14-day central tendency Quality Function Deployment (QFD) 7. Which method can a company use to relate customer needs and expectations to specific design characteristics? Quality function deployment (QFD) 1. There should be no more than 3.4 defects per million products from a manufacturing company statistically. 8. Six Sigma is adopted by a manufacturing company. How can the company use Six Sigma to establish quality improvement? 1. There should be no more than 3.4 defects per million products from a manufacturing company statistically. 2. There should be no more than 6.8 defects per million products from a manufacturing company statistically. 3. There should be no more than 15% of defects per million products from a manufacturing company statistically. 4. There should be no more than 10% of defects per million products from a manufacturing company statistically. 1. A company tries to reduce variation in the quality of products it offers. 2. A company emphasizes the quality of suppliers because the quality of outputs are determined by the quality of inputs. 9. Which two company practices reflect the guiding principles of Six Sigma? Choose 2 answers 1. A company tries to reduce variation in the quality of products it offers. & 2. A company emphasizes the quality of suppliers because the quality of outputs are determined by the quality of inputs. 3. A company emphasizes the variety of suppliers because the variety of outputs are determined by the variety of inputs. 4. A company tries to reduce the variety in the kinds of products it offers. 4. Histogram 10. A clothing retailer sends out evaluations to customers to rate quality as "outstanding," "good," "average," and "bad." If the retailer wants to know the annual frequency of each evaluation category, which tool should the retailer use? 1. Pareto chart 2. Control chart 3. Scatter plot 4. Histogram 3. Scatter plot 11. A vice president of a major retailer is trying to reduce the wait time for customers in the checkout line by appropriately opening checkout lines. To do this, the VP needs to know the relationship and degree of correlation between monthly customer visits and area population. Which tool should be used in this situation? 1. Pareto chart 2. Control chart 3. Scatter plot 4. Histogram 4. To develop a Pareto chart identifying the root causes of engine defects 12. A company that produces motors uses the a "motor assembly check sheet", why would the company use this check sheet? 1. To create a control chart to measure the engine assembly process 2. To create a flow chart of the engine assembly process 3. To develop a suppliers, inputs, process, outputs, customers (SIPOC) diagram 4. To develop a Pareto chart identifying the root causes of engine defects Run Charts and Control Charts 13. A quality improvement team is trying to illustrate to upper management how a process is varying over time as measurements are collected. Which two statistical process control (SPC) tools should the team use? Choose 2 answers 1. Cause-and-effect diagrams 2. Scatter diagrams 3. Histograms 4. Run charts 5. Check sheets 6. Pareto charts 7. Control charts 4. Match 14. A manager is planning staffing needs for a seasonal ice cream stand. The manager expects to have the following number of customers per day each month: January: 20 February: 23 March: 30 April: 60 May: 90 Jun: 120 July: 130 August: 150 September: 100 October: 80 November: 60 December: 30 Which capacity planning strategy should the manager use to achieve this customer demand? 1. Lag 2. Lead 3. Adjustment 4. Match Add resources to the QA Team to increase the number of lines of code that can be tested each day. 15. At a software development company, programming Team A can write an average of 1600 lines of new code a day and programming Team B can correct an average of 1100 tested lines of code a day. An automated quality assurance (QA) testing suite can check an average of 2100 new lines of code a day, while the QA Team can test an average of 900 new lines of code daily. Each new line of code must be checked by both the automated test suite and a member of the QA team. Which step should Acme take to optimize the number of corrected lines of code per day? Add resources to the QA Team to increase the number of lines of code that can be tested each day. Labor productivity & Close to customers 16. An automobile manufacturer has just built its first assembly factory in the United States based on increased demand from customers in the United States. The manufacturer intends to serve the entire U.S. market with this factory. Many of the suppliers for the U.S. factory are near the manufacturer's other plants in India. The new U.S. factory enables the manufacturer to use many more robots to assist in the assembly of the automobiles. Which two location factors were important influences in building this new factory? Choose 2 answers Labor productivity & Close to customers $67 F1 = 8 x $4 = $32 F2 = 1 x $8 = $ 8 ========== $40 F2 = 9 x $3 = $27 ============ $67 17. An appliance manufacturer has two factories located around the world, each with its own capacity: • F1 can make 8 appliances per day. • F2 can make 10 per day. The factories can deliver to two different distribution centers. Every day each distribution center must receive 9 appliances each. The cost to deliver appliances from each factory to each distribution center is listed in the table below: Distribution Center 1 Distribution Center 2 F1 $4 $3 F2 $8 $3 Using the factory production constraints and the delivery costs in the above matrix, what is the lowest cost to deliver all 18 appliances to the distribution centers? 1. $3 2. $67 3. $81 4. $98 5. $114 Veterans Parkway 18. A company wants to establish a new gas station in a location with heavy traffic. The company performs a traffic analysis for four locations during four different time periods. The table below depicts the number of cars that passed each location during the four time periods: Time Period Main Street Fell Avenue Veterans Parkway Market Street Midnight - 6:00 a.m. 1,000 500 1,500 750 6:00 a.m. - noon 4,500 6,000 5,500 4,000 Noon - 6:00 p.m. 6,000 4,500 6,000 5,000 6:00 p.m. - midnight 2,500 1,500 3,000 6,000 Which location should the company choose for the new gas station? 1. Market Street 2. Veterans Parkway 3. Fell Avenue 4. Main Street 3. Continuous flow 19. An oil refinery receives crude oil on a regular basis, which must be refined into five different octane-rated gasoline formulas and diesel. Demand for these fuels is easy to predict. The cost to refine the oil decreases rapidly depending on the size of the refinery that refines the oil. Based on this information, which process strategy should the oil refinery use in its refining process? 1. Batch flow 2. Mass Customization 3. Continuous flow 4. Job shop 3. Batch processing with some product variety on moderately flexible equipment 20. A company makes garage door tracks for residential and commercial customers. The production manager prefers to run all the footage for residential requirements first each day and then change over for the commercial size after the residential orders are completed. The tooling is changed back to the residential size before the end of business each day. Which process strategy is this company using? 1. Continuous flow of standard products on special purpose equipment 2. Project-based with high product variety and low volume on flexible equipment 3 Batch processing with some product variety on moderately flexible equipment 4. Job shop with high product variety on flexible equipment 45 cars/day (how many it can actually rent out) 21. A rental company has a fleet of 50 cars that can be rented daily if all vehicles have been washed and inspected and are free of mechanical and electrical defects. Due to maintenance requirements and late returns by customers, the rental company is, in general, able to prepare 45 cars per day for rental. On average, 30 cars are rented daily. What is the design capacity for this company? 1. 50 cars/day 2. 45 cars/day (how many it can actually rent out) 3. 30 cars/day 450 units/day 22. The original capacity in each process for a computer manufacturer's operations is as follows: Parts inventory: 500 units available per day Assembly: 300 units assembled per day Delivery: 450 units processed per day After the computer manufacturer upgrades the assembly system, it can assemble 550 units per day. According to this information, what is the throughput for this computer manufacturer? 1. 550 units/day 2. 500 units/day 3. 450 units/day 4. 200 units/day Weighted moving average 23. A purchasing manager is responsible for vendor-managed hardware inventory at a client's office chair production facility. The manager notices that ½-inch bolts are out of stock and need immediate replenishment. As the purchasing manager looks over the past usage, it is noticed that more bolts are being used on Tuesday each week than any other day of the week. Therefore, the manager decides to bump up the inventory replenishment for Monday by 50%. Which forecasting method did the manager use to make this decision? Weighted moving average Panel of experts & Test market 24. A company has developed a new product that links a smartphone app to a doorbell and home security monitoring system. There is nothing else like it on the market and no prior sales history from which to develop a forecast. A sales manager is trying to determine the best price point for introduction, while also trying to estimate what first-year sales volumes might be. What are two possible means for determining the price point and first-year sales forecast? Choose 2 answers 1. Buildup method 2. Panel of experts & 3. Exponential smoothing 4. Test market