Lot-for-lot ordering is commonly used in materials requirements planning systems.
A firm can hedge exchange rate risk by establishing links with suppliers in a variety of
countries.
The single-period inventory model objective is to balance the sale of a unit with the cost
incurred for each unit sold.
Operations management is a result of a single event, the industrial revolution.
Makespan has a link to customer due dates.
Internet-based B2B commerce results in higher costs to the global suppliers
The two kinds of network diagrams are activity-on-arrow and activity-on-node.
The three types of lot size rules are FOQ, L4L, and POQ.
Many seemingly complex spreadsheet models really comprise only a handful of truly
distinct formulas.
An important task in quality control is to find out the range of natural random variation
in a process.
The ratio of actual output rate to capacity is utilization.
In calculating the time standard, the frequency of occurrence for a work element is how
many times the work element is repeated in doing the job once.
The creator of scientific management believed that worker productivity was governed
by scientific laws.
When we are unsure about the duration of project activities, we use probabilistic time
estimates.
Operations management is the business function that plans, coordinates, and controls
the resources needed to produce a company’s products and services.
Crashing is shortening the total time for completing a project by incurring higher costs
from shortening activities.
Which of the following is least likely to be considered an infinite customer population?
a) customers in an amusement park
b) a class of 500 students who might visit their professor during office hours
c) a class of 10 students who might visit their professor during office hours
d) customers in a grocery store
e) cars taking Exit 76 off of a freeway during rush hour
What does work measurement determine?
a) how long it should take to do a job
b) what is the best way to do a job
c) who is the best worker
d) where work should be done
e) why a particular step must be included in an operation
Which of the following is not considered to be a characteristic of partnership relations?
a) Have a long-term orientation
b) Are strategic in nature
c) Are ‘arms-length’ in nature
d) Share a common vision
e) Share short- and long-term plans
Riker Co. is considering which of four different projects to undertake in order to
maximize its net present value (NPV). Define Xias a binary (0-1) variable that equals 1
if project i is undertaken and 0 otherwise, for i = 1,2,3,4. The NPV and required capital
(in millions) for each project are listed below.
Which of the following represents the constraint(s) stating that project 1 must be
undertaken and at least one of the other projects must be undertaken?
a) X1+ X2≤ 1, and X1+ X3≤ 1, and X1+ X4≤ 1
b) X1≥ 1, and X2+ X3+ X4≥ 1
c) X1+ X2≥ 1, and X1+ X3≥ 1, and X1+ X4≥ 1
d) X1≥ 1, and X2+ X3+ X4≤ 3
e) X1+ X2+ X3+ X4≥ 2
Formulas are entered into Excel by first typing which key?
a) ^
b) &
c) #
d) !
e) =
Studies mentioned in the textbook have shown that workers that are in close proximity
to each other are more likely to ______________________.
a) catch a cold
b) date each other
c) get on each other’s nerves
d) have greater understanding, tolerance, and trust for one another
e) play practical jokes on each other
What is the process whereby shipments are transferred directly from inbound trailers to
outbound trailers?
a) crossdocking
b) directdocking
c) nodocking
d) simuldocking
e) transferdocking
Which type of constraint does not allow the solution for a decision variable of an
optimization problem to be less than zero?
a) negativity
b) positivity
c) anti-negativity
d) feasibility
e) non-negativity
Bridge construction is an example of which layout type?
a) inverted
b) hybrid
c) process
d) fixed position
e) product
What type of machine is controlled by a computer and can do a variety of tasks, such as
drilling, boring, or turning parts of different sizes and shapes?
a) numerically controlled
b) variable turning
c) flexible driven
d) non-calculating
e) next component
In MRP, the starting points for each part and material needed to accomplish the master
production schedule are the ___________________.
a) net requirements
b) gross requirements
c) planned releases
d) scheduled receipts
e) planned receipts
What is an information system designed to integrate internal and external members of
the supply chain?
a) material requirements planning
b) master production schedule
c) capacity requirements planning
d) aggregate planning
e) enterprise resource planning
Who created ‘scientific management?’
a) James Watt
b) Adam Smith
c) Eli Whitney
d) Frederick W. Taylor
e) Henry Ford
A causal research model is based on the assumption that
a) the independent variable is related to the dependent variable
b) there is a relationship between the time series and the dependent variable
c) the variable being forecast is related to other variables in the environment
d) there is a relationship between the time series and the independent variable
e) the information is contained in a time series of data
Consider the following partial MPS record. Beginning inventory is 40 units. The firm
uses a fixed order quantity of 70 units. What is the projected available amount in period
5?
a) 70
b) 50
c) 10
d) 40
e) 220
The decision to implement TQM will impact all of the following EXCEPT
a) product design
b) processes
c) job design
d) supply chain management
e) company product
A model is correct if it produces the _______________ correct _________ for the
outputs for the current values of the inputs
What does ‘OC’ stand for?
An important advantage of chase aggregate plans is that they ____________________.
Describe the primary advantage of optimization modeling.
Why is delivery time longer for make to order than assembly to order processes that
deliver similar products?
Expanding a job horizontally through increasing the scope of work assigned is called
________________.