Production and Operations Management Practice Exam
Course Introduction
Production and Operations Management focuses on the strategic and tactical decisions involved in the creation of goods and services. This course examines key concepts such as process design, capacity planning, inventory management, quality control, supply chain management, and lean production. Students will learn how to analyze and improve production systems to increase efficiency, reduce costs, and enhance product quality. Through real-world case studies and analytical tools, the course highlights the importance of aligning production and operations strategies with overall business objectives in both manufacturing and service industries.
Recommended Textbook
Operations Management Managing Global Supply Chains 1st Edition by Ray R. Venkataraman
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Page 2
Chapter 1: Introduction to Managing Global Operations and Supply Chains
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Q1) To be responsive to changes in customer demands,technology,competition,and resources,______.
A)the operations management function must be careful about choosing the right area in which to function
B)the operations management function must be dynamic
C)the operations management function must be cost conscious to ensure that change is not too expensive
D)the operations management function must seek to outsource more of its operations
Answer: B
Q2) The WTO (World Trade Organization)______.
A)replaced the GATT in 1945
B)governs trade in goods but not services
C)has opened up markets for regulated industries (e.g.,agriculture and textiles)
D)is governed by NAFTA
Answer: C
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Page 3
Chapter 2: Operations and Supply Chain Strategies
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Q1) Which of the following statements is true with regard to the target market of a product?
A)The mileage a Honda Civic car gets is important to its target market.
B)The mileage a Ferrari car gets is important to its target market.
C)The mileage a Rolls Royce car gets is important to its target market.
D)The mileage a Lamborghini car gets is important to its target market.
Answer: A
Q2) Which of the following statements best describes the ultimate goal of operations and supply chain strategies?
A)to produce and deliver products or services to satisfy customers
B)to produce and deliver products or services that delight customers
C)to make sure customers receive defect-free products
D)to make sure profits are maximized
Answer: B
Q3) An order loser is ______.
A)a company salesman who fails to procure an order for the company's products
B)a qualifying criterion a firm fails to meet
C)an administrative person who lost an order received by the company
D)an accounting practice the company failed to follow
Answer: B
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Chapter 3: Project Management
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Q1) Which of the following is an advantage of a functional structure for a project?
A)Members of the team bring cross-functional expertise.
B)Team members do not have divided loyalties.
C)It encourages a silo mentality (i.e.,a focus on one's own department or function).
D)It encourages adherence to corporate strategy.
Answer: B
Q2) A line tracking the project costs over the life of the project ______.
A)is known as the P-curve because the line represents projected costs
B)is known as the E-curve because the line curves sharply from bottom left to top right
C)is known as the S-curve because the line is shaped like the letter S
D)is known as the S-curve because the line represents scheduled costs
Answer: C
Q3) Which of the following is not a stage of a project's life cycle?
A)conceptualization
B)planning
C)execution
D)cancellation
Answer: D
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Chapter 4: Supplement: Project Management
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Q1) Which of the following statements is true of the earned value management (EVM)method?
A)It helps us see how the project is truly performing.
B)It links the project's schedule and costs with the work actually completed on it.
C)both A and B
D)neither A nor B
Q2) If a project is expected to be completed in 68 days with a project variance of 21 days,what is the probability that the project will be completed within 90 days?
A)between 5% and 10%
B)between 15% and 20%
C)between 25% and 30%
D)none of these
Q3) The slope for each activity gives ______.
A)combinations of times and costs for a project's crash options
B)combinations of scheduled and actual times for a project's crash options
C)both A and B
D)neither A nor B
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6
Chapter 5: Product and Service Innovations
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Q1) A question related to inventory levels that a company needs to ask is,______?
A)How can we minimize the cost of inventories
B)Where should these inventories be located
C)How can these inventories be insured
D)How can these inventories be transported
Q2) Which of the following statements correctly pairs a company with its reputation?
A)Volkswagen-reputed for providing integrity of product and service
B)Wal-Mart-reputed for focus on consumer safety
C)Enron-for integrity in financial transactions
D)Arthur Anderson-for integrity in auditing
Q3) The most critical,and perhaps the most difficult,phase of the Stage-Gate approach is ______.
A)developing the business case for the product
B)the scoping stage
C)designing the product
D)manufacturing the product
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Chapter 6: Supplement: Reliability
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Q1) Which of the following statements is true with regard to the terms <i>reliability</i> and <i>availability</i>?
A)If a system has high availability,it also has high reliability.
B)If a system has high availability,it then has low reliability.
C)Availability and reliability of a system refer to the same concept.
D)If a system has high availability,it does not necessarily mean that it also has high reliability.
Q2) A computer has a mean time between failures of 235 hours and mean time to repair of 9 hours.In this case,the availability is ______.
A)96.3%
B)79.3%
C)78.9%
D)93.8%
Q3) Consider a chainsaw that fails five times in 100 hours of operation.The MTBF is ______.
A)20 hours
B)30 hours
C)40 hours
D)15 hours
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Page 8
Chapter 7: Managing for Quality
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Q1) Quality management systems and standards ______.
A)are standards made global through the International Organization for Standards
B)have the same technology or infrastructure requirements in different countries
C)can be readily applied,without modification,across different countries
D)can be challenging to transplant from one country to another because different cultures place different emphasis on quality
Q2) Which of the following is NOT one of the five dimensions that the RATER model focuses on?
A)reliability
B)responsiveness
C)empathy
D)durability
Q3) Which of the following is NOT true regarding the Malcolm Baldrige National Quality Award?
A)is now known as the Baldrige Performance Excellence Program
B)recognizes companies (e.g.,Apple)for producing excellent products (e.g.,iPhone)
C)can be awarded to hospitals (i.e.,it does not apply only to manufacturing organizations)
D)was named after the U.S.Senator for Quality
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Page 9
Chapter 8: Quality Improvement and Control Tools
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Q1) For a control chart to monitor variable quality characteristics,if we are interested in the variation within samples we would need to use ______.
A)a range chart
B)a mean chart
C)a p-chart
D)a c-chart
Q2) The control chart used to monitor countable occurrences uses ______.
A)a continuous scale
B)a discrete scale
C)a binary scale
D)a random scale
Q3) The Taguchi-loss function is known as ______.
A)the quadratic function
B)material-loss function
C)compliance failure
D)loss of process capability
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10
Chapter 9: Capacity Planning
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Q1) A company needs 8,600 hours of processing time during the course of its operations.One machine offers a processing time of 2,400 hours.In this case,______.
A)the company should use four machines
B)the company should use only two machines so that they are fully utilized
C)the company should redesign its product so that it needs more processing time
D)the company should use three machines to achieve maximum utilization rate
Q2) Rough-cut capacity planning (RCCP)is the ______.
A)process of doing a detailed comparison of the available capacity and required capacity
B)rough check of production plans and schedules to determine whether the required capacity and available capacity are in balance
C)process of analyzing a facility's existing capacity relative to its weekly production schedules
D)analysis of projected capacity requirements to meet demand in a new market
Q3) Developing global capacity plans is ______.
A)an iterative and collaborative process
B)a process that is heavily regulated by the government
C)an annual process
D)a one-time process
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Page 11
Chapter 10: Supply Chain Design and Location Planning
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Q1) All of the following is true with regard to cultural issues when locating in foreign countries except ______.
A)it is critical to understand the religious and cultural practices in overseas locations
B)companies have to deal with gender differences in labor practices and in promoting products that can be sold to consumers
C)a firm's managers need to be fluent in the foreign country's language
D)it is critical to assume that every product will appeal to consumers in other cultures
Q2) Companies such as GM,GE,and Motorola have facilities in China and India mainly because of the ______.
A)tax incentives
B)well-established Infrastructure
C)lower labor costs
D)availability of natural resources
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Chapter 11: Process Design and Layout Planning
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Q1) Achieving successful make-to-order product designs requires that companies use technologies such as ______.
A)computer-aided design (CAD)
B)process mapping
C)Pareto analysis
D)interchangeable parts
Q2) Push and pull manufacturing systems ______.
A)may be used in conjunction with each other
B)may impact how consumer demand is organized
C)influence compliance with government regulations
D)influence compliance with ISO requirements
Q3) A batch process is used to produce products in ______.
A)large variety in moderate volumes
B)moderate variety in large volumes
C)moderate variety in moderate volumes
D)large variety in large volumes
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13
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Q1) ABC Corporation would like to evaluate three production processes (A,B,and C)to accommodate the changes in demand for its products.The fixed and variable cost per unit are tabled here.Determine the process to be selected when the production volume is 500 units. \[\begin{array} { | l | l | l | }
\hline \text { Process } & \begin{array} { l }
\text { Fxed } \\
\text { Cost }
\end{array} & \begin{array} { l }
\text { Variable Cost per } \\
\text { Unit }
\end{array} \\
\hline \mathrm { A } & \$ 30,000 & \$ 40 \\
\hline \mathrm { B } & \$ 40,000 & \$ 30 \\
\hline \mathrm { C } & \$ 80,000 & \$ 20 \\
\hline
\end{array}\]
A)Process A
B)Process B
C)Process C
D)cannot be determined
Page 14
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Chapter 13: Supplier Management
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Q1) Supply base optimization means ______.
A)reducing the number of suppliers for better control and communication
B)determining the best number of suppliers to purchase from
C)engaging a large number of suppliers so backup supply is available
D)leaving the organization to be vulnerable to unexpected price increases
Q2) Which approach is desirable when there is a high degree of supply risk or early supplier involvement is required?
A)English auction
B)negotiations
C)competitive bidding
D)second-price auction
Q3) Office supplies are an example of ______.
A)leveraged purchases
B)noncritical purchases
C)strategic purchases
D)bottleneck purchases
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Chapter 14: Logistics Management
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Q1) In the context of air transport,secondary transportation means ______.
A)transportation that is not as fast as air transport
B)transportation to get goods to/from airport
C)transportation between airports in a journey that involves multiple transportation points
D)transportation to get raw materials (rather than finished goods)
Q2) Transportation of goods has become a complex undertaking due to ______.
A)increased use of computers and digitization
B)unstable oil prices
C)government regulations
D)the Interstate Commerce Commission
Q3) In addition to deciding whether to use supply warehouses,cross-docking warehouses,and/or distribution centers,companies must also decide whether to ______.
A)rent a public warehouse
B)use a contract warehouse
C)own a private warehouse
D)combine renting,contracting,and/or owning
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16
Chapter 15: Demand Management and Customer Service
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Q1) Which of the following is NOT a component of reliable customer services?
A)delivery safety
B)order delivery completeness
C)order cycle time consistency
D)stock out
Q2) ______ is the process of estimating the demand for a firm's products in the near future.
A)Demand forecasting
B)Demand management
C)Demand planning
D)Demand assessment
Q3) _______ in customer service refers to making the product or service available when and where the customer wants it.
A)Comfort
B)Delivery
C)Convenience
D)Time
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Chapter 16: Demand Forecasting Methods
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Q1) Which of the following is NOT a way to measure forecasting errors?
A)mean squared error (MSE)
B)mean absolute deviation (MAD)
C)mean absolute percentage error (MAPE)
D)error sum of squares (SSE)
Q2) ______ methods can be used if measurable,historical data are available,and there is evidence that past demand is indicative of the future demand.
A)Simulation analysis
B)Qualitative
C)Quantitative
D)Market research
Q3) One requirement for using the linear trend multiplicative method is ______.
A)tracking signals should be used
B)time series demand data should exhibit a linear trend with seasonal variations
C)seasonal indices need not be available
D)time series demand should exhibit a nonlinear trend with seasonal variations
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18
Chapter 17: Lean Operations and Supply Chains
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Q1) Safety stock ______.
A)is the minimal level of inventory that a company seeks to maintain a buffer against the mismatch between forecasted and actual demand
B)is the level of finished products that a company maintains to take advantage of demand in new markets
C)is the level of finished products that a company maintains to ensure it is safe from government inspection
D)is the level of finished products that a company needs to manufacture to ensure the price is protected from increase or decrease
Q2) CTP______.
A)stands for a cost-time-profile map
B)tracks whether value is added at each step in the production process
C)tracks the quality of production at each step in the production process
D)tracks the quantity of production at each step in the production process
Q3) Six Sigma focuses on ______.
A)meeting customer requirements and stakeholder expectations
B)eliminating waste and improving process flow
C)identifying the value stream
D)the pull approach in manufacturing
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Page 19
Chapter 18: Inventory Management
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Q1) A backorder is ______.
A)a customer order a company was unable to meet because the item demanded was not in stock
B)a customer order a company is unable to fulfill because the product is not exactly as per customer specifications
C)a customer order a company is unable to fulfill because the customer has not been able to finance the purchase
D)a customer order a company is unable to fulfill because the product does not meet manufacturing tolerances
Q2) An inventory held to reduce or eliminate fluctuations in production is called a(n)______.
A)smoothing inventory
B)hedge inventory
C)anticipation inventory
D)pipeline inventory
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Page 20
Chapter 19: Inventory Control Models
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Q1) The setup cost to make a carpet is $20 per setup.The holding cost is $2.00 per yard per year,and the annual demand is 12,000 yards.The manufacturing facility operates 300 days,and 120 yards of the carpet are produced per day.Given this information,which of the following statements is true?
A)With an optimum order quantity of 600,the length of the production run in days is 5.
B)With an optimum order quantity of 500,the length of the production run in days is 6.
C)With an optimum order quantity of 400,the length of the production run in days is 7.
D)With an optimum order quantity of 300,the length of the production run in days is 8.
Q2) In the EOQ model,if our order quantity is less than the economic order quantity,then ______.
A)the annual ordering costs will be the same or lower than the annual holding costs
B)the annual ordering costs will be the same as the annual holding costs
C)the annual ordering costs will be higher than the annual holding costs
D)the annual ordering costs will be lower than the annual holding costs
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Chapter 20: Sales and Operations Planning
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Q1) The final output of the ______ is a recommendation to senior management on a sales and operations plan that include both the trade-offs and the financial and nonfinancial implications of the plan.
A)revenue planning
B)pre-S&OP meeting
C)executive S&OP meeting
D)top-down planning
Q2) Which of the following is NOT a benefit of the sales and operations planning process?
A)improving product lifecycle management process
B)increasing costs
C)improving financial performance
D)fostering communication between departments
Q3) Which of the following does NOT have an impact on a company's choice of global sales and operations planning model?
A)strategic direction
B)volume of demand
C)nature of its products
D)buying power of customer
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Page 22
Chapter 21: Master Scheduling and Material Requirements
Planning
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Q1) The sales and operations plan designs products at what level?
A)aggregate level
B)end-item level
C)materials and components level
D)materials,subassemblies,and capacity level
Q2) The process of scheduling receipt of inventories,raw materials,and components as needed is called ______.
A)horizon planning
B)time phasing
C)time scheduling
D)materials scheduling
Q3) The master schedule ______.
A)provides top management with an annual report
B)needs to conform to the corporate strategy of the organization
C)needs to be inspected by the government
D)sets the production quantities required to meet demand from every possible source in the organization
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Page 23
Chapter
MRP II, ERP, and DRP
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Q1) The DRP process typically begins ______.
A)at an intermediate point in the production process and then spreads outward
B)at the retail level (the farthest point of the outbound supply chain network)
C)at the supplier level (the point where resources are procured)
D)at the production design process
Q2) Which of the following is NOT a benefit of the DRP system?
A)efficient inventory management
B)cost-efficient production process
C)unavailability of stock
D)meeting promised due dates
Q3) ______ is the division of a single lot into two or more sublots and simultaneously processing each sublot on identical (or very similar)work centers as separate lots.
A)Lot processing
B)Lot splitting
C)Lot allocating
D)Lot wrapping
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Chapter 23: Detailed Scheduling
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Q1) ______ charts show the loads on various work centers,equipment,or facilities as well as the associated idle times.
A)Gantt load
B)Gantt schedule
C)Gantt sequence
D)Gantt output
Q2) The average number of jobs in the system is the surrogate measure for ______.
A)average work-in-process inventory
B)average process inventory
C)average job tardiness
D)average finished goods inventory
Q3) To minimize the size of queues in intermittent processes,schedulers need to address ______ major issues
A)three
B)four
C)two
D)five
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Chapter 24: Linear Programming
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Q1) Maureen,hospital administrator for Trinity Hospital,would like to set up a work schedule for the hospital's nurses.Each nurse will work for 8 consecutive hours.The minimum number of nurses needed in each of six 4-hour time intervals is shown in the following table.How many nurses will be required to maintain the minimum staffing levels? \[\begin{array} { | l | l | l | l | l | l | l | }
\hline \text { Time interval } & 00 - 04 & 04 - 08 & 08 - 12 & 12 - 16 & 16 - 20 & 20 - 24 \\
\hline \begin{array} { l }
\text { Minimum number } \\
\text { of nurses required }
\end{array} & 7 & 8 & 22 & 26 & 18 & 12 \\
\hline
\end{array}\]
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Chapter 25: The Transportation Models
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Q1) ______ refers to a fictitious demand destination created to arrive at a balanced transportation problem (i.e.,total demand = total supply).
A)Balanced transportation problem
B)Degeneracy
C)Dummy demand destinations
D)Dummy supply sources
Q2) Refer to the Shipping Costs for The Allied Motors Company.Solve the transportation problem using Excel Solver.(Remember that in balanced transportation problems all constraints-except the non-negativity constraints of the decision variables-should be set as an equal-to (=)sign in the Excel Solver dialogue.)At the optimum solution,the total cost of shipping from all plants to Newark is ______.
A)$893
B)$688
C)$672
D)$576
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Chapter 26: Waiting Line Models
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Q1) In waiting line systems,the cost of service levels provided are ______ to capacity-related costs.
A)directly related
B)linear
C)inversely related
D)proportional
Q2) If the average number of customers served per hour is two,then the probability that the service exceeds 45 minutes for any customer is ______.
A)22.3%
B)10.5%
C)36.8%
D)17.4%
Q3) Which of the following is one of the components of total costs involved with managing waiting lines?
A)Costs related to raw materials
B)Costs related to work-in-process inventory
C)Costs related to customer waiting time
D)Costs related to customer arrival rate
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28
Chapter 27: Simulation
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Q1) Consider the data on Inventory for Blenders Over a 20-Day Period.Any time that ending inventory falls to 15 or below,an order is placed for 30 units of the product.The lead time for delivery varies and is shown in the column under Lead Time.If the holding costs per unit were $8,what are the total inventory costs for the 20-day period?
A)$2,184
B)$2,240
C)$2,296
D)$2,136
Q2) Consider the Demand for Microwave Ovens dataset.What is the total demand corresponding to random numbers 47,9,83,79,29,and 28?
A)9
B)10
C)11
D)12
Q3) ______ is typically achieved through statistical analysis.
A)Model verification
B)Validation
C)Model formulation
D)Experimentation
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Chapter 28: Learning Curves
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Q1) Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 23 iterations before the process reached a steady state of 13 hours.If Weston has a 97% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.
A)15.40 hours
B)13.28 hours
C)12.23 hours
D)14.92 hours
Q2) Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 25 iterations before the process reached a steady state of 32 hours.If Weston has an 83% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.
A)76.02 hours
B)76.72 hours
C)76.07 hours
D)73.53 hours
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Chapter 29: Decision-Making Tools
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Q1) Which of the following statements is FALSE about minimax regret criterion?
A)It is superior to use the maximax,maximin,and Hurwicz criteria.
B)It includes more relevant problem information.
C)It leads to more informed decision-making.
D)It uses all the information available in the payoff matrix.
Q2) Sensitivity analysis involves constructing a graph and then using simple algebra to determine the range of probability values when there are ______ states of nature.
A)two
B)three
C)four
D)five
Q3) Which of the following is a drawback of the maximin criterion?
A)It ignores the payoffs associated with the "high demand" state of nature.
B)It ignores the payoffs associated with the "low demand" state of nature.
C)It is not a good method to use when the states of nature are not equally probable.
D)It ignores the maximum payoff that could be realized if the decision maker were a risk taker.
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