Instructions:
Format for Problem Set:
1. Title page
2. Write Questions and
Answers
3. Reference page (if needed
and add citations for every reference)
Answers to these questions are found in
Chapters 1, 2, 3, 4, and 5.
Chapter 1:
1. As the field of OSCM has
advanced, new concepts have been applied to help companies compete in number of
ways, including the advertisement of firm’s products or services. One recent
concept to gain the attention of companies is promoting sustainability. Discuss
how you have seen the idea of sustainability used by companies to advertise
their goods or services.
2. A manufacturing company
has entered into a new contract with a major supplier of raw materials used in
the manufacturing process. Under the new arrangement, called vendor managed inventory, the supplier manages its raw
material inventory inside the manufacturer’s plant, and only bills the
manufacturer when the manufacturer consumes the raw material. How is this
likely to affect the manufacturer’s inventory turnover ratio?
Chapter 2:
3. Match the following common
risks with the appropriate mitigation strategy:
|
______ |
Country risks |
A. |
Detailed tracking, |
|
______ |
Regulatory risks |
B |
Careful selection and |
|
______ |
Logistics failure |
C. |
Contingency planning, |
|
______ |
Natural disaster |
D. |
Good legal advice, |
|
______ |
Major quality failure |
E. |
Currency |
4. An electronics company
makes communications devices for military contracts. The company just completed
two contracts. The navy contract was for 2,300 devices and took 25 workers two
weeks (40 hours per week) to complete. The army contract was for 5,500 devices
that were produced by 35 workers in three weeks. On which contract were the
workers more productive?
Chapter 3:
5. Describe the generic
product development process described in the chapter. How does the process
change for technology-push products?
6. What factors must be
traded off in the product development process before introducing a new product?
Chapter 4:
7. The following activities
are part of a project to be scheduled using CPM:
|
Activity |
Immediate Predecessor |
Time (Weeks) |
|
A |
___ |
6 |
|
B |
A |
3 |
|
C |
A |
7 |
|
D |
C |
2 |
|
E |
B, D |
4 |
|
F |
D |
3 |
|
G |
E, F |
7 |
a. Draw the network.
b. What is the critical
path?
c. How many weeks will it
take to complete the project?
d. How much slack does
activity B have?
8. For the network shown:
a. Determine the critical
path and the early completion time in weeks for the project.
b. For the data shown,
reduce the project completion time by three weeks. Assume a linear cost per
week shortened, and show, step by step, how you arrived at your schedule.
|
Activity |
Normal Time |
Normal Cost |
Crash Time |
Crash Cost |
|
A |
5 |
$7,000 |
3 |
$13,000 |
|
B |
10 |
$12,000 |
7 |
$18,000 |
|
C |
8 |
$5,000 |
7 |
$7,000 |
|
D |
6 |
$4,000 |
5 |
$5,000 |
|
E |
7 |
$3,000 |
6 |
$6,000 |
|
F |
4 |
$6,000 |
3 |
$7,000 |
|
G |
4 |
$7,000 |
3 |
$9,000 |
Chapter 5:
9. What are some capacity
balance problems faced by the following organizations or facilities?
a. An airline terminal
b. A university computing
lab
c. A clothing manufacturer
10. Refer to Exhibit 5.6 on
page 120 in your textbook. Why6 is it that the critical zone begins at a
utilization rate of about 70 percent in a typical service operation? Draw upon
your own experiences as either a customer or a server in common service
establishments.
