Student ID：
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MCU International College • 99511 Operations Management • 2004 Fall • Quiz #2 • Y.-H. Chen, Ph.D.
Academic and Professional Conduct exam policy:
Using unauthorized notes, copying another student’s
work, or providing another student with answers during
an examination is a violation of the exam policy.
Exam Instruction: Close books and notes. Exam time is
60 minutes. Please write your answers clearly in
designated areas. You are allowed to use calculators
and three pages of blank paper. PDA, laptops, and other
types of computers are not allowed.
There is a total of 20 multiple-choice problems. Please write out the correct choice below each problem number.
Each problem is worth for 5 points with a total of 100 points.
1.
2.
3.
4.
5.
6.
7.
A visual depiction of the subassemblies and components that are needed to produce and/or assemble a
product is called a(n):
A)
assembly time chart
B)
product structure tree
C)
MRP II
D)
pegging
E)
Gantt chart
Answer: B Page: 578 Difficulty: Medium
Which one of the following most closely describes net material requirements?
A)
gross requirements - amount on-hand - scheduled receipts
B)
gross requirements - planned receipts
C)
gross requirements - order releases + amount on-hand
D)
gross requirements - planned order releases
E)
gross requirements - amount on-hand + planned order releases
Answer: A Page: 581 Difficulty: Medium
In MRP, "scheduled receipts" are:
A)
identical to "planned-order receipts"
B)
identical to "planned-order releases"
C)
open orders (that is, ordered before the first time bucket, but not delivered yet)
D)
"net requirements"
E)
available to promise inventory
Answer: C Page: 582 Difficulty: Medium
In MRP, the gross requirements of a given component part are calculated from:
A)
net requirements + amount on-hand.
B)
gross requirements of the immediate parent
C)
planned orders of the end item
D)
net requirements of end item
E)
planned orders of the immediate parent
Answer: E Page: 582 Difficulty: Medium
Which of the following lot sizing methods does not attempt to balance ordering (or setup) and holding costs?
A)
economic order quantity
B)
economic run size
C)
lot-for-lot
D)
part-period
E)
all of the above
Answer: C Page: 590 Difficulty: Hard
The multiplication process used by MRP to determine lower level requirements is called:
A)
time-phasing
B)
pegging
C)
netting
D)
projecting
E)
exploding
Answer: E Page: 581 Difficulty: Medium
Which statement concerning MRP II is false?
A)
It is basically a computerized system.
B)
It can handle complex planning and scheduling quickly.
C)
It involves other functional areas in the production planning process.
D)
It involves capacity planning.
E)
It produces a production plan which includes all resources required.
(Note：Both sides of the paper have exam problems.)
Student ID:
8.
9.
10.
11.
12.
Answer: E Page: 591 Difficulty: Medium
A recent effort to expand the scope of production resource planning by involving other functional areas in
the planning process has been:
A)
material requirements planning
B)
capacity requirements planning
C)
manufacturing resources planning
D)
Just-In-Time planning
E)
multifunctional relationships planning
Answer: C Page: 591 Difficulty: Easy
A report which shows expected capacity requirements for current, planned, and expected jobs is a:
A) master production schedule
B) bill of materials report
C) inventory status report
D) MRP schedule
E) load report
Answer: E Page: 593 Difficulty: Medium
Which is true of a net-change system?
A)
It is a batch-type system which is updated periodically.
B)
It is usually run at the beginning of each month.
C)
The basic production plan is modified to reflect changes as they occur.
D)
It is used to authorize the execution of planned orders.
E)
It indicates the amount and timing of future changes.
Answer: C Page: 588 Difficulty: Hard
Which of the following is the last step in the capacity/scheduling chain?
A)
product planning
B)
process planning
C)
capacity planning
D)
aggregate planning
E)
scheduling
Answer: E Page: 655 Difficulty: Easy
Primary considerations in scheduling high volume systems involve:
I.
II.
III.
coordinating the flow of inputs
overcoming the disruptions to planned outputs
assigning workers to work centers
A)
B)
C)
D)
E)
13.
14.
I and III
I and II
II and III
I, II, and III
II only
Answer: B Page: 656 Difficulty: Medium
Finite loading, as compared to infinite loading, assumes that:
A)
There are a finite number of jobs to be done.
B)
Work centers can be loaded without regard to their capacity.
C)
Work centers' capacity must be taken into account.
D)
Work centers' capacity may be taken into account, but it's not required.
E)
Loading must be completed in a finite amount of time.
Answer: C Page: 660 Difficulty: Medium
Based on the cost information given in the table below, which set of job-machine pairs reflects the
minimum-cost solution using the Assignment method?
Job 1
2
3
A)
B)
C)
D)
Machine
A
$0
3
2
B
0
6
4
C
0
4
0
1-B, 2-A, 3-C
1-A, 2-B, 3-C
1-C, 2-A, 3-B
1-B, 2-C, 3-A
(Note：Both sides of the paper have exam problems.)
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Student ID:
E)
15.
16.
17.
18.
19.
1-C, 2-B, 3-A
Answer: A Page: 663 Difficulty: Hard
The priority rule where jobs are processed according to the smallest ratio of due date to processing time is:
A)
CR
B)
EEDD
C)
FCFS
D)
S/O
E)
SPT
Answer: A Page: 666 Difficulty: Medium
Which of the following is not a measure for judging the effectiveness of a schedule sequence?
A) average number of jobs at the work center
B) total number of jobs at the work center
C) average completion (flow) time
D) average job tardiness
E) none of the above
Answer: B Page: 667 Difficulty: Medium
Average completion (flow) time for a schedule sequence at a work center is:
A)
total processing time divided by the number of jobs
B)
total flow time divided by the number of jobs
C)
total flow time divided by total processing time
D)
total processing time plus total late time divided by number of jobs
E)
total flow time plus total late time divided by number of jobs
Answer: B Page: 667 Difficulty: Medium
The scheduling sequencing rule which always results in the lowest average completion (flow) time is the:
A)
first come, first served (FCFS) rule
B)
shortest processing time first (SPT) rule
C)
earliest due date first (EDD) rule
D)
least slack per operation first (S/O) rule
E)
run until slack happens (RUSH) rule
Answer: B Page: 670 Difficulty: Medium
For the jobs listed below, which processing sequence would result using Johnson's Rule?
Processing time (hrs.)
Job
a
b
c
d
A)
B)
C)
D)
E)
20.
Center 1
6
12
5
10
Center 2
11
8
9
7
c-a-d-b
b-d-a-c
a-b-c-d
d-c-b-a
c-a-b-d
Answer: E Page: 672 Difficulty: Medium
Scheduling in service systems often takes the form of:
A)
appointment systems
B)
reservation systems
C)
(A) and (B)
D)
makespan systems
E)
all of the above
Answer: C Page: 676 Difficulty: Easy
(Note：Both sides of the paper have exam problems.)
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