Management Science
Mock Exam
Course Introduction
Management Science is a multidisciplinary field that applies analytical methods, mathematical modeling, and quantitative techniques to solve complex decision-making problems within organizations. By incorporating tools such as optimization, simulation, statistics, and data analysis, this course equips students with the skills needed to improve efficiency, allocate resources effectively, and support strategic planning in various business contexts. Through real-world case studies and problem-solving exercises, students learn to construct models that assist managers in addressing operational challenges and making informed, evidence-based decisions.
Recommended Textbook operations management an integrated approach 6th edition by r. dan reid
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Page 2
Chapter 1: Introduction to Operations Management
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Sample Questions
Q1) Why are operations management decisions typically more complex for large companies than for small companies?
Answer: Because of the size and scope of large companies: they typically produce a greater variety of products, have multiple location sites, and often use both domestic and international suppliers.
Q2) One of the two most important features of time-based competition involves ___________________.
A) advertising on the Internet
B) stopwatch time studies
C) setting time standards for task performance
D) instantaneous access to inventory information
E) developing new products and services faster than the competitor
Answer: E
Q3) What must companies do in order to be successful with Web-based on-line shopping?
Answer: Manage distribution centers and warehouses, operate fleets of trucks, forecast what customers want and maintain adequate inventories of products, and schedule deliveries while keeping costs low and customers happy.
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Chapter 2: Operations Strategy and Competitiveness
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Sample Questions
Q1) A firm produces shirts using three workers. On Wednesday, Madeline completed 110 shirts in 6 hours, Federico completed 90 shirts in 7 hours, and Susan completed 130 shirts in 9 hours. What was the overall productivity of the firm?
Answer: 15 units/hour
Q2) If the telecommunication company sold $10,000,000 of internet service using $50,000 of labor, $25,000 of leased bandwidth, $45,000 service fees, and $80,000 or replacement parts, what is the telecommunication multifactor productivity?
A) 35
B) 40
C) 45
D) 50
E) 55
Answer: D
Q3) Estimating productivity requires measurements of ________________________ and ________________________.
Answer: results and effort; output and input, etc.
Q4) Firms measure productivity to learn how ________________________ they are.
Answer: competitive
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Chapter 3: Product Design and Process Selection
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Sample Questions
Q1) For what types of decisions is break-even analysis appropriate?
Answer: deciding how much of a product must be sold to make a profit, evaluating different processes, deciding whether it is better to make or buy a product, and deciding between different products
Q2) Which one of these refers to reducing the number of parts and features of the product whenever possible?
A) design automation
B) design specification
C) design reduction
D) design standardization
E) design simplification
Answer: E
Q3) Understanding the stages of the life cycle is not important for product design purposes.
A)True
B)False
Answer: False
Q4) How efficient was a process whose Standard output = 27 while Actual output = 24?
Answer: Efficiency = Actual output / Standard output = 24 / 27 0.889.
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Chapter 4: Supply Chain Management
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Sample Questions
Q1) Benetton is well known for the practice of assembling all white sweaters and waiting to dye them much closer to the time of sale. This is an example of what?
A) Stupidity
B) Postponement
C) Fractionalization
D) Partitioning
E) Genericness
Q2) What is a network internal to an organization called?
A) supernet
B) internet
C) intranet
D) supranet
E) internalnet
Q3) When do rationing and shortage gaming occur?
A) Supply exceeds demand.
B) Demand exceeds supply.
C) Government contracts are awarded.
D) Transportation workers go on strike.
E) Marginal revenue exceeds marginal cost.
Q4) What are the two major advantages of crossdocking?
Page 6
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Chapter 5: Total Quality Management
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Sample Questions
Q1) Who is famous for his "14 Points?"
A) Walter Shewhart
B) W. Edwards Deming
C) Joseph Juran
D) Armand Feigenbaum
E) Genichi Taguchi
Q2) The strength of the relationship between customer requirements and product characteristics is shown in the __________ matrix.
A) Trade-off
B) Product
C) Relationship
D) Strength
E) Inverse
Q3) Cause-and-effect diagrams are often called
A) Checklists
B) Scatter diagrams
C) Pareto analysis
D) Fishbone diagrams
E) Histograms
Q4) What are the common causes of TQM failure?
Page 7
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Chapter 6: Statistical Quality Control
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Sample Questions
Q1) Each day for two workweeks (10 days total), George weighs 4 bags from that day's production. If the average of the means is 14 oz. and the average range is 0.4 oz., what is the lower control limit for an x-bar chart for this process?
A) 13.7084 oz.
B) 13.8768 oz.
C) 14.2916 oz.
D) 12.8000 oz.
E) 13.5908 oz.
Q2) What technique answers the question of whether the process is functioning properly or not?
A) Fishbone diagramming
B) Acceptance sampling
C) Statistical process control
D) Scatter plotting
E) Experimental design
Q3) What is the formula for an R chart's center line?
Q4) Given a sample size of 2, the lower limit for the R-chart is 0.
A)True
B)False
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Chapter 7: Just-In-Time and Lean Systems
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Q1) What is the formula to compute the number of kanbans needed to control the production of a particular product (including the variable definitions)?
Q2) The principles of JIT need to be adopted by all members of a supply chain in order to have a __________.
Q3) Consider a workstation that can process 4 units per minute. It takes 2 hours to receive an order from the previous station. The container size is 10 units. The factory sets safety stock at 20 percent of demand during lead time. How many kanbans are needed for the workstation?
Q4) The role of production employees in JIT includes all of the following except A) Be actively engaged in improving the production process
B) Monitor quality
C) Record data
D) Follow clearly defined and limiting work rules
E) Act on the information they have
Q5) JIT facilities are lacking in floor space.
A)True
B)False
Q6) What is the difference between traditional and cell manufacturing?
Q7) What are the key elements a JIT company's relationship with its suppliers?
Page 9
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Chapter 8: Forecasting
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Sample Questions
Q1) Suppose that you are using the exponential smoothing forecasting method, and this period's forecast (F<sub>t</sub>) was 100% accurate (i.e., no error). If = .5, which of the following is definitely true?
A) Next period's forecast will also be 100% accurate.
B) Next period's forecast equals this period's actual.
C) This period's forecast must be thrown out, and next period's forecast equals F<sub>t-1</sub> + (A<sub>t-1</sub> F<sub>t-1</sub>).
D) Next period's forecast equals 50% of this period's forecast.
E) Next period's forecast equals 50% more than this period's forecast.
Q2) Suppose that you are using the four-period weighted moving average forecasting method to forecast sales and you know that sales will be increasing every period for the foreseeable future. What of the following would be the best set of weights to use (listed in order from the most recent period to four periods ago, respectively)?
A) 0.25, 0.25, 0.25, 0.25
B) 0.40, 0.30, 0.20, 0.10
C) 1.00, 0.00, 0.00, 0.00
D) 0.10, 0.20, 0.30, 0.40
E) 0.00, 0.00, 0.00, 1.00
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Chapter 9: Capacity Planning and Facility Location
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Q1) A firm must choose between remaining where it is, with current capacity, and building a new facility with 50% more capacity. The probability of high demand is estimated to be 75%. The current facility would provide $100,000 profit if there is high demand or $50,000 profit if there is low demand. The replacement facility would provide $160,000,000 profit if there is high demand but would only break even if there is low demand. What is the expected value of each option?
Q2) Which of the following is not a factor in capacity planning?
A) approach used to measure capacity
B) economies of scale
C) prepare to deal with capacity in "chunks"
D) proximity to suppliers
E) identify the best operating level
Q3) The load-distance model frequently utilizes rectilinear distance, which is the shortest distance between two points using only north-south and east-west movements.
A)True
B)False
Q4) An area that has further encouraged globalization is the growth of __________.
Q5) Describe the relation of capacity requirement and the supply chain.
Q6) What are the disadvantages of globalization?
Page 11
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Chapter 10: Facility Layout
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Sample Questions
Q1) Group technology creates groupings of products primarily based on what?
A) product cost
B) raw materials requirements
C) similar processing requirements
D) operating characteristics
E) market segmentation
Q2) For the general warehouse layout problem, which department should be located furthest from the dock?
A) least trips needed
B) most area needed
C) highest ratio of trips needed to area needed
D) smallest ratio of area needed to trips needed
E) smallest ratio of trips needed to area needed
Q3) Which of the following is more like a product layout as compared to a process layout?
A) Resources used are general purpose.
B) Facilities are less capital intensive.
C) Less skilled workers can be used.
D) Space requirements for inventory storage are higher.
E) Scheduling resources is less challenging.
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Chapter 11: Work System Design
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Sample Questions
Q1) Gain Sharing emphasized profit levels so employees can share the benefits of increased profits.
A)True
B)False
Q2) What are the characteristics of self-managed teams?
Q3) The table containing the Learning Curve Coefficients allows one to calculate both the time it should take to build the nth unit as well as the total production time required to build the entire production run when the nth unit is the last one completed.
A)True
B)False
Q4) Work measurement determines how long it should take to do a job.
A)True
B)False
Q5) Methods analysis can _________________.
A) improve efficiency
B) analyze the fairness of pay systems
C) improve how teams function
D) evaluate job performance
E) help select issues that need to be brought to management's attention
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Chapter 12: Inventory Management
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Sample Questions
Q1) If a company carries 13 weeks of supply, what is the inventory turnover?
A) 0.077
B) 4
C) 7.77
D) 676
E) 0.25
Q2) What is another name for speculative inventory?
Q3) Firms that "chase" demand by hiring more workers have less need for anticipation inventory.
A)True
B)False
Q4) Any inventory turnover less than 4 is considered to be poor performance.
A)True
B)False
Q5) Manufacturing's cost efficiency is not affected by inventory decisions.
A)True
B)False
Q6) Inventory turnover is the reciprocal of weeks of supply.
A)True
B)False
Page 14
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Chapter 13: Aggregate Planning
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Q1) There are a limited number of options that are applicable to a hybrid aggregate plan.
A)True
B)False
Q2) Which of the following is not typically indicated as part of the resources authorized in an aggregate plan?
A) number of machines to be used
B) size of the workforce
C) authorized level of overtime and undertime
D) number of units to be subcontracted
E) level of inventory held
Q3) . What type of aggregate plan sets labor and equipment capacity to satisfy demand each period?
A) uniform
B) level
C) chase
D) mixed
E) steady
Q4) What are the steps involved in developing the aggregate plan?
Q5) What are the disadvantages for hiring permanent employees?
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Chapter 14: Resource Planning
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Sample Questions
Q1) Production and inventory planners release orders to ________________________.
A) the expediter
B) either an external supplier or to the shop floor
C) the logistics manager
D) either the shop floor or to the warehouse
E) marketing
Q2) The MRP input listing the intermediate assemblies, subassemblies, component parts, raw materials, and the quantities of each needed to produce one final product is the ___________________________.
A) authorized master production schedule
B) bill of materials file
C) inventory records file
D) part status file
E) assembly time chart
Q3) The authorized MPS is a statement of ______________________________.
A) manufacturing orders that have been authorized for release to the shop floor
B) which workers are authorized to work on which machines
C) what the company expects to build and when it expects to build it
D) authorized payments to vendors
E) where different end products are authorized to be manufactured
Page 16
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Chapter 15: Scheduling
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Sample Questions
Q1) Define what slack is.
Q2) What does average number of jobs in the system measure?
A) WIP inventory
B) due-date performance
C) makespan
D) job tardiness
E) job lateness
Q3) Flow operations can be ________ or ________ operations.
A) intermittent, continuous
B) intermittent, repetitive
C) repetitive, single shot
D) repetitive, continuous
E) single shot, continuous
Q4) The process batch should be variable.
A)True
B)False
Q5) Employees who perform a variety of services and are assigned where they are needed each day are said to ________________.
Q6) What are the three kinds of constraints defined by TOC?
Q7) What does the term "floating employees" refer to?
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Chapter 16: Project Management
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Sample Questions
Q1) What information about activities is needed in determining how to crash a project?
Q2) Which of the following is not characteristic of adding safety time in the critical chain approach?
A) Probability and statistics provide no insights into the adding of safety time.
B) It can be added by basing time estimates on pessimistic experiences.
C) It is added at the end of the critical path.
D) It can be added by having more safety factors added at each level of management.
E) It can be added to offset possible global reductions in project length made by top management
Q3) The critical path is the sequential path of interrelated activities which has the ____________________.
A) most activities
B) longest time
C) most nodes
D) most events
E) most arrows
Q4) List and briefly describe the phases in the project life cycle.
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Chapter 17: Spreadsheet Modeling: An Introduction
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Sample Questions
Q1) Using Excel, what method other than the algebraic one can be used to find the breakeven quantity?
A) Goal Seek
B) Find
C) Search
D) Break Even
E) Steepest Ascent
Q2) In Excel, what are the keystrokes for the "Copy" command?
A) Ctrl-C
B) Ctrl-V
C) Ctrl-X
D) Ctrl-Z
E) Ctrl-Q
Q3) Define an output.
Q4) In Excel, absolute references do not change when you copy them.
A)True
B)False
Q5) Inputs are quantities or factors that affect the situation.
A)True
B)False
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Chapter 18: Introduction to Optimization
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Sample Questions
Q1) What in Excel Solver corresponds to the decision variables in the algebraic model?
A) Optimization Cells
B) Target Cells
C) Changing Cells
D) Decision Cells
E) Parameter Cells
Q2) Formulate the following as a linear programming problem. Jan lives in the country and is having a garage sale tomorrow. She has decided to sell some fresh baked goods in conjunction with the sale. She has excellent recipes for apple pie and for apple turnovers. She has 20.83 pounds of apples. Each pie will require 1.6 pounds of apples and each turnover will require 0.22 pounds of apples. She has discovered that she is short of both flour and sugar and does not want to make another trip to the store tonight. She has 5.7 pounds of flour and 200 grams of sugar. Each pie will require 0.6 pounds of flour and 11 grams of sugar. Each turnover will require .02 pounds of flour and 3 grams of sugar. She will sell pies for $6 each and turnovers for $0.75 each. She has decided to make 8 pies at most, because she is concerned about how well they will sell.
Q3) Excel's Solver Add-In solves _____________ problems.
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Chapter 19: Waiting Line Models
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Sample Questions
Q1) Which of the following waiting line systems best describes a grocery store, where each register has its own line and server?
A) single-server, single-phase
B) single-server, multi-phase
C) multi-server, single-line, single-phase
D) multi-server, multi-line, single-phase
E) multi-server, multi-phase
Q2) Which of the following is not considered to be a valid performance measure of a waiting line system?
A) the average number of customers waiting in line
B) the customer population source
C) the average number of customers in the system
D) the average amount of time customers spend waiting
E) the system utilization rate
Q3) Services require a single activity or a series of activities and are identified by the term phase.
A)True
B)False
Q4) Waiting line models typically assume what distribution(s)?
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Chapter 20: Master Scheduling and Rough-Cut Capacity Planning
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Sample Questions
Q1) A negative number in the available-to-promise row is ___________ a problem. A) sometimes B) always C) usually D) never
E) 25%
Q2) Motorsports, Inc. builds two different types of motors. Model A has averaged 20,000 units annually, and Model B has average 30,000 units annually. The firm has historically used 80,000 direct labor hours and 10,000 hours of machine time per year to build Model A. Also, 150,000 annual direct labor hours have been allocated to Model B, along with 60,000 hours of annual machine time. What is the CPOPF planning factor for direct labor for Model A?
A) 0.25
B) 4.00
C) 4.50
D) 5.00
E) 4.60
Q3) The MPS is said to be ________________________ between final assembly and cumulative manufacturing lead times.
Q4) Discuss the Master scheduler responsibility.
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