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MGMT 3165 OPERATIONS SUUPLY CHAIN MANAGEMENTFINAL EXAM $30.49   Add to cart

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MGMT 3165 OPERATIONS SUUPLY CHAIN MANAGEMENTFINAL EXAM

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MGMT 3165 OPERATIONS SUUPLY CHAIN MANAGEMENTFINAL EXAM

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  • January 16, 2024
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MGMT 3165
OPERATIONS & SUUPLY CHAIN MANAGEMENT
FINAL EXAM
Jiaqin Yang
Fall 2020
(Total Points: 150)

Student ID#:__________________________________

Section I: True or False (circle one, 2 points each)

1. The basic logic in ABC analysis is that generally, a great amount of items are very important
and a few of items are relatively unimportant.
T F

2. A dispatching rule is simply a rule for assigning an operator to a machine in a production
facility.
T F

3. How well the product meets the design specifications is called the "quality of design."
T F

4. Quality of conformance greatly affects the price of product in the marketplace.
T F

5. In JIT, vendors ship orders in large lots to minimize shipping costs.
T F

6. Close control over the work assigned is one of the advantages of job enlargement.
T F

7. A job is said to be enlarged vertically if the worker is involved in planning, organizing, and
inspecting one's own work.
T F

8. The concepts of job enlargement and job enrichment were introduced primarily to increase
worker's satisfaction.
T F

9. The learning curve is most appropriate for relatively complex and non-automated work.
T F

10. An 80% learning curve represents a higher learning rate than a 70% learning curve.
T[ ] F[ ]

11. Holding costs include costs for handling, insurance, theft, and cost of production set up.

, T[ ] F[ ]

12. Increasing released orders is one important step to improve shop flow time performance.
T[ ] F[ ]

You can put your Answers into the Boxes below:
1. [ F ] 2. [ F ] 3. [F ] 4. [F ] 5. [ F] 6. [ T ]
7. [ T ] 8. [ T ] 9. [T ] 10. [F ] 11. [F ] 12.[ F ]




Section II: Multiple Choice (circle one, 2 points each)

1. All of the following changes in a manual student-class registration system will reduce the
average time needed to register EXCEPT:
a. Adding more administrators at the table to hand out cards.
b. Putting more students into the hall to push more out.
c. Extending the hours of registration.
d. Scheduling only as many students into the hall as possible.

2. A job is said being enlarged vertically if: (circle all that apply)
a. a worker is involved in a greater variety of tasks.
b. a worker is involved in planning.
c. a worker is involved in organizing work.
d. none of above


3. Demand for the product is non-seasonal with a mean of 100 units per week. The standard
deviation of the demand during the lead times is 20 units. The lead time for the item is a
constant of 5 weeks. With a confidence level of 95% ( = 5% with z = 1.96), what will be
the reorder point (R) of the system?
a. 500 b. 39.2
c. 539.2 d. 520


4. Which of the following ARE associated with JIT purchasing?
I. Cooperation among suppliers and customers
II. A large number of second source suppliers
III. Reliable suppliers
IV. long term contracts
V. Continuous competitive bids among many suppliers
a. I and II only b. II and IV only
c. II, IV, and V only d. I, III, and IV only

5. Which of the following are not associated with JIT production?

2

, I. Reduce Setup Time II. Keep 5% of Defective Rate
III. Increased Holding Costs IV. Reduce Lot Sizes
V. 100% of Shop Loading
a. I and II only b. II and III only
c. II, III and V only d. III, IV, and V only

6. A student is working similar homework problems and notes a decrease in the amount of time it
takes to complete each problem because of a learning effect. For similar problems she notes
that problem No.1 takes 40 minutes to complete, while No.2 takes only 20 minutes to complete.
How long will it take her to complete No.4 problem?
a. 12.0 b. 15.0
c. 5.0 d. 10.0

7. A shop produces Item B with a total manufacturing leadtime of 200 hours. From records, total
setup time of all operations for this item is 3 hours, total processing time is 10 hours, and all
other times (moving, waiting, etc.) take 12 hours. What is the JIT measure of LT/PT ratio for
this production line?
a. 20 b. 8.0
c. 5.0 d. 7.5

8. An observer records various time values, averages them, and multiplies this average by a
performance rating. The value which he obtains is called the:
a. observed time.
b. standard time.
c. normal time.
d. incentive time.

9. A firm can order an item at two costs. As shown below, the larger order quantity yields a
Quantity discount. Weekly demand is 200 units. The inventory holding cost rate is 20%. The
cost to place an order is $10/order. There are 50 weeks per year.
Quantity Cost/unit
< 700 $10
 700 $ 9.5
What is the economic order quantity to minimize total cost?
a.700
b. 500
c. 233
d. 316

10. Quality costs are generally classified into all of the following areas except:
a. appraisal costs.
b. overhead.
c. failure costs.
d. internal prevention costs and external prevention costs.


11.The control limits of a p-chart are set up and the four sequential points out of 30 samples fall outside the


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