FINAL EXAMS FINAL ANSWERS FINAL QUESTIONS

1. OPS 571 Final Exam 2012
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1) __________ is when the activities in the stage must stop because there is no place to deposit the item
just completed
A. Buffering
B. Blocking
C. Starving
D. Pacing
2) According to your text, the most common process metric is
A. productivity
B. efficiency
C. utilization
D. throughput time
3) Declining product prices
A. increase the manufacturing costs
B. lower the break-point
C. result in lower manufacturing costs
D. increase the break-even point
4) The type of processing structure that is used for producing discrete products at a controlled rate is
A. job shop
B. batch
C. assembly line
D. project
5) The best process flow structure to use for making automobiles is
A. job shop
B. batch shop

2. C. group technology cell
D. assembly line
6) The break-even analysis is a standard approach to determine alternative processes A break-even
analysis chart usually present alternative __________ and __________ based upon the units produced
or sold
A. demand, supply
B. profits, losses
C. equipment, materials
D. variable, fixed costs
7) A statistical term that refers to the philosophy and methods companies use to eliminate defects in
their products and processes by establishing a quality goal of no more than four defects out of every
million units is
A. ISO 9000
B. Six Sigma
C. Total Quality Management
D. SERVQUAL
8) Independent demand is
A. inventory where demand comes from independent suppliers
B. inventory that is independent of any known rules of demand and supply
C. demand that is related to the demand for another item
D. demand determined by the marketplace that requires forecasting
9) An inventory system designed to ensure that an item will be available on an ongoing basis throughout
the year is known as
A. Optional Replenishment System
B. Inventory Accuracy and Cycle Counting
C. ABC Inventory Planning
D. Multiperiod Inventory Systems

3. 10) A/an __________ approach actually schedules in detail each resource using the setup and runtime
required for each order
A. infinite loading
B. finite loading
C. forward scheduling
D. backward scheduling
11) What is the net result of reducing the duration of a task (crashing) not on the critical path?
A. Decreased project overhead costs
B. Reduced likelihood of liquidated damages for late delivery
C. Increased slack time associated with the task
D. Reduction in the project duration
12) The idea of the value density calculation is
A. finding a carrier that can handle the weight
B. matching the weight of the product with an appropriate carrier
C. deciding where items should be stocked geographically and how they should be shipped
D. finding the minimum cost carrier
13) When designing a supply chain,
A. costvs customer service must be considered
B. qualityvs cost must be considered
C. lead times vs payment terms must be considered
D. customer service vs product customization must be considered
14) According to Hau Lee, which of the following types of products need to be delivered with efficient
supply-chains?
A. Custom products
B. Innovative products
C. Grocery products

4. D. High technology products
15) Which of the following product promotional activities would probably help make the supply chain
more efficient?
A. Price promotions that expire on a specific date
B. An "everyday" low price strategy where prices are not dependent on quantity delivered with a
specific order
C. Special packaging for a specific event that occurs one time each year
D. A 2-for-1 price promotion
16) The best operating level is
A. the maximum point of the cost curve
B. the level of capacity for which average unit cost is minimized
C. maximum capacity
D. the level of capacity for which total cost is minimized
17) Capacity utilization rate can be computed as
A. Capacity used – best operating level
B. Capacity used x best operating level
C. Capacity used / best operating level
D. Capacity used + best operating level
18) The objective of __________ is to provide an approach for determining the overall capacity level of
capital-intensive resources that best supports the company's long-range competitive strategy
A. workforce management
B. management supervision
C. operations management
D. strategic capacity planning
19) Lean production systems typically require
A. delivery of large lots at frequent intervals
B. buyer inspection of goods and materials

5. C. multiple sources from which to purchase
D. low inventory levels throughout production
20) Given that the previous forecast of 65 turned out to be four units less than the actual demand The
next forecast is 66 What would be the value of alpha if the simple exponential smoothing forecast
method is being used?
A. 002
B. 04
C. 004
D. 0.25
21) Linear regression sales forecasting techniques
A. work best when future sales are randomly distributed
B. will not work for declining sales
C. work best when sales are increasing
D. will not work if future sales forecasts lie on a curve
22) What should the value of alpha be in an exponential smoothing forecast to be very responsive to
recent demand?
A. Large
B. Small
C. Negative
D. Zero
23) Which of the following statements are true about time-series forecasting?
A. Time series analysis employs empirical data to forecast future events
B. Time series analysis is used to understand the system underlying and surrounding the item being
forecast
C. Under time-series methods, demand is divided into the time-based components such as daily,
weekly, etc
D. Time series methods are useful for long-range forecasts when the demand pattern is erratic

6. 24) One option for altering the pattern of demand is
A. hiring employees
B. using overtime
C. carrying inventory
D. pricing
25) Aggregate planners balance
A. demand and costs
B. demand and inventories
C. demand and capacity
D. supply and inventories
26) Which of the following accurately describes a chase strategy?
A. The firm produces the same amount each day over the planning period and deals with the variations
in demand through the use of inventory or overtime
B. The firm produces at the same level for several months, and then adjusts production to another level
and produces at that level for several more months
C. The firm matches its production rate to meet demand by varying the size of its workforce as demand
varies
D. The firm produces the same amount each day within the planning period and deals with variations in
demand through the use of outsourcing partners
27) Which of the following reflects net material requirements:
A. gross requirements – scheduled receipts
B. gross requirements – projected available balance + scheduled receipts
C) gross requirements - on-hand - planned order receipts
D. gross requirements – scheduled releases
28) Which MRP system input element specifies how many and when the firm plans to build each end
item?
A. Inventory records file

7. B. Bills of material
C. Master production schedule
D. Capacity planning
29) Which of the following is true about MRP Systems?
A. Based on independent demand
B. Lot sizing is based on Economic Order Quantity
C. Demand pattern is random
D. Objective is to meet manufacturing needs
30) A Material Requirements Planning (MRP) is most valuable in industries where a number of products
are made in batches using the same productive equipment and with companies involving
A. fabrication
B. low number of units annually
C. complex, expensive products
D. assembly operations