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A manufacturer has the following jobs waiting on a single work center. The firm has not
decided which dispatching rule to apply in order to prioritize the jobs and fix them into
the schedule. Processing time in 15-minute time blocks and due date for each job are in
the table below.
a. Complete the following table. Show your supporting calculations below.
b. Which dispatching rule has the best score for flow time? for work in process (jobs in
the system)? for lateness?
c. Is there ANY sequence that can avoid all lateness? Explain or provide an example.
Which of the following terms implies an increase in responsibility and control in the
vertical direction?
A) job rotation
B) job enrichment
C) job re-design
D) job enlargement
E) job satisfaction
Experience Differentiation
A) isolates the consumer from the delivery of a service
B) is an extension of product differentiation in the service sector
C) uses only the consumer's senses of vision and sound
D) keeps consumers from becoming active participants in the service
E) is the same as product differentiation, but applied in the service sector
A firm is about to undertake the manufacture of a product, and is weighing the process
configuration options. There are two intermittent processes under consideration, as well
as a repetitive focus. The smaller intermittent process has fixed costs of $3,000 per
month, and variable costs of $10 per unit. The larger intermittent process has fixed costs
of $12,000 and variable costs of $2 per unit. A repetitive focus plant has fixed costs of
$50,000 and variable costs of $1 per unit.
a. At what output does the large intermittent process become cheaper than the small
one?
b. At what output does the repetitive process become cheaper than the larger
intermittent process?
Production and transportation costs are always considered in which of the following
location decision methods?
A) traffic counts
B) transportation method
C) purchasing power
D) proximity of markets
E) clustering
A manufacturer took the following actions to reduce inventory. Which of these is
generally not accepted as a JIT action?
A) It used a pull system to move inventory.
B) It produced in ever smaller lots.
C) It required deliveries directly to the point of use.
D) It picked the supplier that offered the lowest price based on quantity discounts.
E) It worked to reduce the company's in-transit inventory.
In assembly line balancing, the theoretical minimum number of workstations is
A) the ratio of the sum of all task times to cycle time
B) always (when a fraction) rounded upward to the next larger integer value
C) not always possible to reach when tasks are actually assigned to stations
D) all of the above
E) none of the above
The following decision tree has how many state of nature nodes
A) 0
B) 1
C) 2
D) 3
E) 4
The two general approaches to forecasting are
A) qualitative and quantitative
B) mathematical and statistical
C) judgmental and qualitative
D) historical and associative
E) judgmental and associative
A company that had previously sent its call center business to India has now brought
that business back to small towns in the U.S. such as Dubuque, Iowa. This is an
example of
A) return outsourcing
B) inshoring
C) offshoring
D) outsourcing
E) backsourcing
Which of the following inputs helps an aggregate planner select the rate of output for a
facility over the next 3 to 18 months?
A) facility capacity
B) inventory on hand
C) workforce size
D) demand forecasts
E) all of the above
If = 23 ounces, = 0.4 ounces, and n = 16, the ±3 control limits will be
A) 21.8 to 24.2 ounces
B) 23 ounces
C) 22.70 to 23.30 ounces
D) 22.25 to 23.75 ounces
E) none of the above
Which of the following is true about ISO 14000 certification?
A) It is not a prerequisite for ISO 9000 certification.
B) It deals with environmental management.
C) It offers a good systematic approach to pollution prevention.
D) One of its core elements is life-cycle assessment.
E) All of the above are true.
The fundamental difference between cycles and seasonality is the
A) duration of the repeating patterns
B) magnitude of the variation
C) ability to attribute the pattern to a cause
D) all of the above
E) none of the above
Which of the following is not a goal of JIT partnerships?
A) removal of unnecessary activities
B) removal of in-plant inventory
C) removal of in-transit inventory
D) obtain improved quality and reliability
E) All of the above are goals of JIT partnerships.
What is the EMV for Option 2 in the following decision table?
A) 10,000
B) 16,000
C) 20,000
D) 24,000
E) 30,000
__________ divides a project into more and more detailed components.
Osprey Machine Works has the following demand requirements and other data for the
upcoming four quarters.
What is the total cost of pursuing a level aggregate plan over the coming year?
A product design team is preparing to build a new doohickey. A doohickey consists of
one A module, one B module, and one C module. There are different versions of these
modules available in the company's design library. For example, there are two choices
for A: A1 is .99 reliable, while A2 is .975 reliable. The table below details the choices
available, along with the cost of each choice.
Help the design team by selecting the least costly version of a doohickey that has
system reliability of at least .96. Draw a schematic of your finished design.
List the steps in the work-sampling procedure.
If a decision maker is a pessimist, what decision-making criterion is appropriate? Why?
How does the Starbucks Coffee case illustrate the general principles of service location
strategy?
