In what company were the Hawthorne Studies conducted?
a) Westinghouse
b) General Electric
c) Hawthorne Incorporated
d) General Motors
e) Western Electric
A firm has had the following order history over the last 4 months:
What is the weighted moving average forecast for March, assuming a weight of 60%
for the most recent month, 30% for the month preceding the most recent month, and
10% for the month preceding that one?
a) 117.5
b) 228.1
c) 118.0
d) 128.0
e) 132.4
JIT believes in developing __________ relationships with suppliers.
a) Long-term
b) Adversarial
c) Arms-length
d) Temporary
e) Distant
Break-even analysis is one special case of _________________ analysis.
a) scenario
b) transformation
c) sensitivity
d) decision
e) change
If a firm’s facility layout is not correct it will create:
a) project processes
b) optimum outputs
c) equal number of products
d) inefficiency
e) job satisfaction
What are the four most common control charts?
a) x-bar, R, p, c
b) x-bar, R, p, OC
c) x-bar, R, c, OC
d) x-bar, p, c, OC
e) R, p, c, OC
Suppose that Matt wants to use a process control chart to monitor the number of
different types of mistakes that he makes when giving motivational speeches to student
groups. Which control chart would be most appropriate?
a) x-bar chart
b) R-chart
c) p-chart
d) c-chart
e) OC chart
Up to how many arguments can the INDEX function in Excel take?
a) 1
b) 2
c) 3
d) 4
e) 5
P-charts are used to measure:
a) continuous variation
b) intermittent random variation
c) proportion of items in a sample that is defective
d) the count of defective parts
e) proportion of items in a sample that are good
Green Inc. manufactures a variety of wooden desks. Five jobs are waiting to be
processed using the LPT priority rule. Their processing times are shown in the
following table. What is the makespan?
a) 66
b) 13.2
c) 27
d) 5.4
e) 2.4
According to the textbook, the available space of a facility is best seen by using a
a) photograph
b) detailed floor plan
c) architecture software package
d) block plan
e) overview plan
Tom’s hazardous material movement company limits the number of hours an individual
works to 8.5 a day. Each hazardous material handler product movement time has been
stopwatch analyzed to take 240 seconds. What is the hazardous material handler
utilization if they make 110 moves a day?
Consider a single-line, single-server waiting line system. Suppose that customers arrive
according to a Poisson distribution at an average rate of 60 per hour, and the average
(exponentially distributed) service time is 45 seconds per customer. What is the average
number of customers waiting in line?
Scheduling two, 12-hour shifts and a 4-hour housekeeping and repair shift each
workday is an example of ___________________.
The process of thinking about a problem in a structured way often leads to ________ to
making a better decision.
Identify the variables required to predict the probability of meeting a project completion
date.
Explain how a supply chain supports the organization to be sustainable and provide a
competitive advantage.
Discuss how the operation strategy categories of structure and infrastructure determine
the nature of the company’s operations function.
Car Phones, Inc. (CP), sells two models of cell phones: Model A and Model B. Records
show that 3 hours of sales time are used for each Model A cell phone that is sold and 5
hours of sales time for each Model B telephone. A total of 600 hours of sales time is
available for the next 4-week period. In addition, management planning policies call for
minimum sales goals of 100 units for Model A and 80 units for Model B. Furthermore,
the number of phones that CP makes is limited by its critical process, the plastic
injection molding machine, which can produce a maximum of 1500 phones per 4-week
period. CP makes a $40 profit contribution for each Model A sold and a $50 profit
contribution for each Model B sold. Formulate a Linear Program that can be used to
determine the optimal production amounts CP for the next 4-week period.