BAM 421 Operations Management Unit 4 Exam
BAM 421 Operations Management
Unit 4 Exam
1. The aggregate plan gets input or feedback from
which of the following areas?
·
engineering
·
finance, marketing and
human resources
·
the master production
schedule
·
procurement,
production and general management
·
All of the above
2. Which portion of the master production
schedule is normally fixed, frozen or firm?
·
the entire schedule
·
only the aggregate
schedule
·
only the middle of the
schedule
·
only the near-term
portion
·
only the far-term
portion
3. In continuous (stock-to-forecast) operations,
the master production schedule is usuallyexpressed in terms of _______________.
·
end items
·
modules
·
kits
·
customer orders
·
warehouse orders
4. In job shop (make-to-order) operations, the
master production schedule is usually expressed in
_______________.
·
end items
·
modules
·
kits
·
customer orders
·
warehouse orders
5. A document calls for the production of 50
small garden tractors in week 1, 50 small gardentractors and 100 riding mowers
in week 2, 100 riding mowers and 200 garden utility carts inweek 3 and 100
riding mowers in week 4. This document is most likely a(n) _______________.
·
net requirements
document
·
resource requirements
profile
·
aggregate plan
·
master production
schedule
·
Wagner-Whitin finite
capacity document
6. The _______________ is the input to material
requirements planning which lists the assemblies, subassemblies, parts and raw
materials needed to produce one unit of finished product.
·
bill of material
·
master production
schedule
·
inventory records
·
assembly time chart
·
net requirements chart
7. A bill of material lists the _______________.
·
times needed to
perform all phases of production
·
production schedules
for all products
·
components,
ingredients and materials required to produce an item
·
operations required to
produce an item
·
components,
ingredients, materials and assembly operations required to produce an item
8. Forward scheduling _______________.
·
begins with a delivery
date, then offsets each operation one at a time, in reverse order
·
is well suited where
the supplier is usually able to meet precise delivery dates
·
tends to minimize
work-in-process inventory
·
assumes that
procurement of material and operations start as soon as requirements are known
·
produces a schedule
only if it meets the due date
9. Scheduling is rather straightforward in
product-focused facilities because _______________.
·
kanban automates the
scheduling of the assembly line
·
demand is reasonably
stable and capacities, set-up times and run times are generally known
·
assembly line
balancing assures the highest possible production efficiency
·
finite capacity scheduling
has made MRP much more realistic
·
All of the above are
true
10. Which file contains important information
regarding an item’s flow through the shop?
·
item master file
·
work-center master
file
·
control files
·
routing file
·
None of the above
provides information regarding an item’s flow through the shop.
11. Which of these is not part of the planning
files of a production planning and control system?
·
a progress file
·
a work-center master
file
·
an item master file
·
a routing file
·
All of the above are
all part of the planning files.
12. Which of the following files tracks work order
progress?
·
work-center master
files
·
routing files
·
item master files
·
control files
·
None of the above
tracks work order progress.
13. The production database containing information
about each of the components that a firmproduces or purchases is the
_______________.
·
routing file
·
work-center master
file
·
control file
·
item master file
·
None of the above
14. Which of the following is not one of the Seven
Wastes?
·
overproduction
·
transportation
·
assignment
·
defective product
·
motion
15. The 5Ss ________________.
·
have the “flavor” of a
housekeeping list
·
are a checklist for
lean operations
·
have become a list of
seven items in American practice
·
can be used to assist
with necessary changes in organizational culture
·
All of these are true
16. The list of 5Ss, although it looks like a
housekeeping directive, supports lean production by
________________.
·
identifying non-value
items and removing them in the “sort/segregate” item
·
reducing inventory in
the “standardize” item
·
increasing variability
through standardized procedures in the “standardize” item
·
eliminating wasted
motion through ergonomic studies in the “support” item
·
building good safety
practices in the “shine/sweep” item
17. Concerning relationships with suppliers, which
of the following combinations is critical to thesuccess of JIT?
·
close relationships
with trust
·
close relationships
with skepticism
·
distant relationships
with trust
·
distant relationships
with skepticism
·
None of the above
18. Which one of the following is not a benefit of
the implementation of JIT?
·
cost reduction
·
variability increase
·
rapid throughput
·
quality improvement
·
rework reduction
19. If the goals of JIT partnerships are met,
which of the following is a result?
·
For incoming goods,
receiving activity and inspection are outsource
·
In-transit inventory
falls as suppliers are located closer to facilities.
·
The number of
suppliers increases.
·
In-plant inventory
replaces in-transit inventory.
·
All of the above are
consequences of meeting the JIT partnership goals.
20. Ten high-technology batteries are tested for
200 hours each. One failed at 20 hours; all others completed the test. FR(%) is
_______________ and MTBF is ________________.
·
10%; 1/1820
·
90%; 1/1820
·
10%; 1820 hours
·
10%; 1980 hours
·
cannot calculate from
information provided
21. Ten high-technology batteries are tested for
200 hours each. One failed at 50 hours; all others completed the test. FR(%) is
_____________ and FR(N) is _______________.
·
10%; 1/1850
·
10%; 1/2000
·
25%; 1850 hours
·
90%; 1/2000
·
Indeterminate; no
standard deviation is given.
22. Ten high-technology batteries are tested for
200 hours each. One failed at 20 hours, another failed at 140 hours and all
others completed the test. FR(%) is _______________ and MTBF is________________.
·
20%; 880 hours
·
10%; 1980 hours
·
20%; 1760 hours
·
80%; 920 hours
·
cannot calculate from
information provided
23. MTBF measures the average _________________.
·
calendar time between
failures
·
operating time between
failures
·
number of failures per
unit time
·
number of operations
between failures
·
downtime per breakdown
24. A system is composed of four parts, J, K, L
and M. All four must function for the system to function. The four component
reliabilities are .99, .98, .992 and .998. The designers are considering
putting a .80 reliable backup at K. This backup will change the system
reliability from ______________ to ________________.
·
9762 to 0.9605
·
9605 to 0.9762
·
9605 to some smaller
value
·
cannot be determined
·
None of the above
25. Suppose that a process is comprised of
multiple components, each having a 75% success rate What is the change in
reliability going from a series layout to a parallel layout if the process has
5 components?
·
0%
·
100%
·
2%
·
-76.2 %
·
unable to determine
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