Moving average forecasts with a larger number of observations are more responsive
than those with a smaller number of observations.
One of the most important trends in companies today is competition based on time.
The Delphi method of forecasting is preferred to the executive opinion method if an
important consideration is eliminating any one person’s dominant opinion.
In using Quality Function Deployment, conducting focus groups is one way to find out
precisely what features customers want in the product.
A p-chart monitors the number of defects per unit.
Upper and lower control limits are usually set at ‚ 6 standard deviations from the
mean.
The sum of the activity times on the critical path determines the total slack available.
Research has shown that most spreadsheet model developers believe their products to
be error-free, but this assessment is usually wrong.
The load-distance model frequently utilizes rectilinear distance, which is the shortest
distance between two points using only north-south and east-west movements.
When product and process design work together, much of the work is done in sequence
rather than in parallel.
Warehouses are sometimes used as part of their postponement in their product design
process.
A company can use traditional financial measures such as return on investment to
measure supply chain performance.
Manufacturers typically represent the beginning of a supply chain.
JIT considers people to be a company’s most precious resource.
A process that is in control has no variation.
There are a number of different model types which do not share any commonalities.
In an MPS record, the forecast row shows the forecasted supply for the product.
A focused factory is one that produces many products with options.
Which of the following is not a major supplier of ERP systems?
a) SAP AG
b) PeopleSoft
c) Oracle
d) Infor.com
e) IBM
Which of the following is typically not associated with problem solving teams?
a) employees typically volunteer
b) employees are trained in problem solving techniques
c) employees contribute on a short term basis
d) employees engage in data gathering
e) employee participation is on an ongoing basis
Lands’ End is a well-known benchmarking target because of its __________ .
a) catalog business
b) supply chain management
c) success at resolving complaints
d) labor relations
e) environmental policies
To determine whether the alternative workplace is right for your organization, which of
the following questions should be positively answered?
a) are you out of space?
b) does your organization have an open culture?
c) does your organization allow the employee to set their own expectations?
d) does your organization subscribe to the ‘˜new’ work force program?
e) does the organization plan office parties?
With respect to competitive priorities, intermittent operations compete more on
_____________ compared to repetitive operations.
a) cost and features
b) durability and cost
c) availability and reliability
d) flexibility and delivery
e) durability and features
What is the approach to job design which involves an increase in responsibility for
work planning and/or inspection?
a) job enlargement
b) job rotation
c) job involvement
d) job enrichment
e) job enhancement
A proactive marketing approach in aggregate planning involves
____________________.
a) varying inventory levels
b) modifying work force size
c) back orders
d) shifting the demand patterns to level demand fluctuations
e) varying overtime rate
Hand tools, lubricants, and cleaning supplies are usually examples of what?
a) WIP inventory
b) finished goods inventory
c) raw materials inventory
d) MRO inventory
e) distribution inventory
_________________ crossdocking is the receiving and consolidating of inbound
supplies to support just-in-time manufacturing.
a) Warehouse
b) Manufacturing
c) Distributor
d) Transportation
e) Retail
_______________ MRP is an MRP system that includes production planning, master
production scheduling, and capacity requirements planning.
a) Fully-integrated
b) Closed-loop
c) Open-loop
d) Wide-range
e) Enterprise
Which product and service strategy is typically seen in repetitive operations?
a) assemble-to-deliver
b) make-to-stock
c) assemble-to-order
d) make-to-order
e) make-to-package
Operations management interacts with which of the following:
a) Marketing
b) Information systems
c) Finance
d) Engineering
e) all the above
Since services are intangible, the design of the service needs ___________ .
a) to be intangible
b) to be very specific
c) to be in the mind of the customer
d) to be explained to the customer prior to delivery of the service
e) to specify exactly what the customer is supposed to experience.
Which of the following is not an assumption of the waiting line models presented in the
textbook?
a) the customers are patient
b) customers come from an infinite population
c) customer arrival rate is described by a Gaussian distribution
d) service times are described by an exponential distribution
e) the waiting line priority rule is first-come, first-served
Consider the following three functions:
g(x, y) = 4x ‘“ 3y + 21
h(x, y, z) = 13x2+ y + 3z
i(z) = z
Which of the following is true regarding the linearity of the functions?
a) none of the functions is linear
b) all three functions are linear
c) h is linear, but g and i are not linear
d) i is linear, but g and h are not linear
e) g and i are linear, but h is not linear
Consider a project having the following ten activities:
(a) What is the expected project completion time?
(b) What is the critical path?
(c) What is the most economical way and how much will it cost to reduce the
completion time of the project by three weeks? by five weeks?
. 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
Which initially successful web-based home delivery company had to shut down in 2001
due to inadequate management of its operations?
a) Contact.com
b) Time Saver.com
c) Kozmo.com
d) Kramer.com
e) Neptune.com
In making a forward pass through a network, activities L, M, and P are immediate
predecessors for activity T, which has an activity time of 7. The early start times for
activities L, M, and P are 22, 17, and 27, respectively. The early finish times for
activities L, M, and P are 29, 27, and 33, respectively. What is the early start time for
activity T?
a) 17
b) 24
c) 27
d) 33
e) 40
Typical work elements that occur in many jobs include all except which of the
following?
a) insert something
b) tighten something
c) position an item
d) figure out the instructions
e) reach for materials
What costs are considered in the quantity discount model?
a) annual ordering costs + annual holding costs
b) annual purchasing costs + annual holding costs + annual ordering costs
c) annual ordering costs + annual holding costs + annual shortage costs
d. annual purchasing costs + annual ordering costs + annual shortage costs e. ordering
costs per order + annual holding costs
Under a periodic review system, enough inventory must be carried to protect against
stockout for the ___________.
a) replenishment lead time
b) review period
c) replenishment lead time plus the review period
d) bottleneck cycle time
e) bottleneck cycle time plus the replenishment lead time
One common name for TQM based team work is:
a) quality department
b) quality support group
c) quality circle
d) quality team
e) team one
What is the optimal solution to the following linear program?
Max 2X + Y
Subject to
2X + 2Y ≥ 40
X + Y ≤ 10
X ≥ 0
Y ≥ 0
a) the solution is unbounded
b) (0, 20)
c) (10, 0)
d) (20, 0)
e) the program is infeasible
Consider the following three functions:
g(x, y) = 4x ‘“ 9y2
h(x, y, z) = 13x + y + 3z -6
i(y, z) = z – y
Which of the following is true regarding the linearity of the functions?
a) none of the functions is linear
b) all three functions are linear
c) h is linear, but g and i are not linear
d) i is linear, but g and h are not linear
e) h and i are linear, but g is not linear
What is the basic approach for business process reengineering and what are its major
impacts?
Joe’s Equipment Distributors sells ‘Low and Loud’ brand lawnmowers. Total demand in
2002 is expected to be 2000 units. Given the historical sales figures listed below, derive
a forecast for each quarter in 2002.
TQM philosophy focuses on seven basic concepts. What are they?
Scheduling all the activities that must be done by a due date from that point of view is
called ________________ scheduling.
What is a table that reflects opinions of managers with regard to the importance of
having any two departments close together called?
Consider a single-line, single-server waiting line system. Suppose that customers arrive
according to a Poisson distribution at an average rate of 50 per hour, and the average
(exponentially distributed) service time is 45 seconds per customer. What is the
probability that ‚ 2 customers are in the system?
What are the advantages of the alternative workplace?
The MPS is said to be ________________________ between the current time and the
time needed for final assembly.
Define an output.
What are the two main reasons why one should break up larger calculations into smaller
ones in spreadsheet modeling?