A control chart is a schematic diagram of the sequence of steps involved in an operation
or process.
JIT considers waste anything that does not add value.
Federal Express subcontracts its work overload to other firms during peak demand
periods.
A key feature of scientific management is that workers are limited only by their tools.
Triangle symbols are used in a process flowchart to represent decision points?
Waiting line models typically assume that service times are represented by the
exponential distribution.
The transfer batch should always equal the process batch.
In Excel, absolute references are indicated by the lack of a dollar sign character
preceding either the column or the row reference.
Sustainability was an early 1950’s management function and focus.
Marketing is the central core function of every company.
In an MPS record, MPS shipments arrive at the beginning of the time period.
Output/(labor + capital) is an example of a partial productivity measure.
In a periodic review system, the time between orders should never be based on the EOQ
calculation.
Inventory management is a key component of effective supply chain performance.
The four steps to setting up an optimization problem with Excel Solver are easy if you
have previously completed the algebraic formulation and spreadsheet model.
PERT is credited with reducing the duration of the Polaris missile project by
_________________.
a) one year
b) two years
c) three years
d) four years
e) five years
Investments in building or purchasing long-term production facilities are inherently
risky due to __________.
a) uncertainty in forecasting future demands
b) unexpected changes in interest rates
c) durability of materials
d) corporate mergers
e) rapid technology changes
Joe’s tower fabrication company client would like to know what the probability is of
completing the project in 60 days rather than the 58 estimated days. Based on Z values
what is the probability that Joes’ tower fabrication will be able to meet the request if the
variance is 1.25?
a) -1.6
b) 1.6
c) -1.79
d) 1.79
e) 2
What term refers to the mission or objectives of a partnership?
a) Impact
b) Intimacy
c) Dream
d) Conception
e) Vision
Consider the following all-units quantity discount schedule and calculated EOQs.
Which of the following sets of order quantities is guaranteed to contain the optimal
solution?
a) {1450, 2500}
b) {1450, 999}
c) {0, 1000, 2000, 5000, 8000}
d) {1200, 1450, 2500, 2780, 6000}
e) {2500, 5000, 8000}
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
The discussion in the textbook implies that information sharing has shifted power in the
supply chain the most to which group?
a) Suppliers
b) Manufacturers
c) Distributors
d) Retailers
e) Individual consumers
Heavy Eyes Inc. manufactures custom pillows. Five jobs are waiting to be processed
using the SPT priority rule. Their processing times are shown in the following table.
What is the mean flow time?
a) 57 days
b) 11.4 days
c) 17 days
d) 5.4 days
e) 27 days
A key feature of scientific management is that workers are limited only by
__________________.
a) machinery
b) co-workers
c) their job description
d) their tools
e) their physical ability
Suppose that you are using the exponential smoothing forecasting method, and this
period’s forecast (Ft) was 100% accurate (i.e., no error). If α = .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 Ft-1 + α
(At-1 α − Ft-1).
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.
Over the long term, which of the following forecasting models will likely require
carrying the least amount of data?
a) Naïve
b) Simple mean
c) Exponential smoothing
d) Weighted moving average
e) Moving average
Suppose that you are using exponential smoothing with = 0.5 and your initial
forecast 5 months ago was for 100 units. If the actual demand last month was 0 units,
which of the following is definitely true?
a) The forecast for this month should be 0.
b) The model blew up. You can’t use exponential smoothing anymore.
c) The forecast for last month was 0.
d) The forecast for this month should be 50.
e) We need more information to determine this month’s forecast.
In the service industry it is considered good performance when a company has an
inventory loss of only:
a) 1%
b) 2%
c) 3%
d) 4%
e) 5%
Which of the following represents a way to waste safety time?
a) dependencies between activities
b) multitasking
c) student syndrome
d) waiting until the last minute to do a task
e) all of these answer choices are correct
Which of the following is not considered to be one of the four basic patterns of time
series data?
a) Horizontal
b) Trend
c) Vertical
d) Seasonality
e) Cycle
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
Which forecasting method is particularly good for predicting technological changes and
scientific advances?
a) Market research
b) Executive opinion
c) Delphi method
d) Naïve method
e) Gamma method
Setting up control charts to monitor whether a process is in control
a) guarantees process capability
b) guarantees process specifications
c) does not guarantee process capability
d) does not guarantee product specification
e) guarantees meeting client needs
Consider a mathematical program where Xirepresents the amount produced of item i (i
= 1,2,3,4), and you want the total amount produced over all four items to equal either
100, 120, 140, or 200. If you define qias binary (0-1) variables (i = 1,2,3,4) and add the
constraint q1+ q2+ q3+ q4= 1, what other constraint do you need to add to the program?
a) 100q1+ 120q2+ 140q3+ 200q4=560
b) X1+ X2+ X3+ X4=560
c) X1+ X2+ X3+ X4= 100q1+ 120q2+ 140q3+ 200q4
d) 100X1+ 120X2+ 140X3+ 200X4= q1+ q2+ q3+ q4
e) X1+ X2+ X3+ X4≤ 200
Which of the following is not a positive attribute of Multiple Suppliers?
a) provides a greater flexibility of volume
b) eliminates a supplier’s dependence on the purchaser
c) probability of assured supply is better
d) deliveries can be schedule more easily
e) allows for testing of new suppliers without jeopardizing the flow of materials
What is throughput?
a) the quantity of finished goods that can be sold
b) the quantity of items moved at the same time from one resource to the next
c) the quantity of work-in-process inventory
d) the quantity produced at a resource before the resource is switched over to produce
another product
e) the average flow time of the system
What does ‘negative lateness’ mean?
a) The job is finished after its due date.
b) The job is finished on its due date.
c) The job is finished before its due date.
d) The job is not finished.
e) The job has not started.
Which of the following is not a form of alternative workplace arrangements?
a) hot desking
b) desk sharing
c) working from the hotel room on an occasional business trip
d) telework center
e) virtual office
Name six common definitions of quality in manufacturing.
While traditional walls and doors provide privacy, they reduce _____________ and
opportunities for ______________.
Project managers can evaluate whether the __________ risk of completing the project
on schedule is acceptable.
Checklists are used to make sure all steps in a process are carried out and to
________________________
Factor rating can be used to evaluate multiple _____ based on a number of ________.
Traditional production plans schedule ________________________ while JIT with
The first round of an exponential smoothing process is often begun by setting the
second period forecast equal to ___________________.