A cycle is typically the most difficult data pattern to predict.
The first level of capacity planning is at the strategic level.
Job design ensures that each employee’s activities are closely timed.
Group Technology has the advantage of bringing the efficiencies of a process layout to
a product layout environment.
Forecasting demand and forecasting sales are the same thing.
When you change one or more model inputs, Excel automatically updates the
associated Data Table.
The Hawthorne effect is that workers are motivated by the attention they are given.
Productivity = input/output.
In Excel, absolute references do not change when you copy them.
Under a periodic review system, enough inventory must be carried to protect against
stockout for the replenishment lead time plus the review period.
Inventory turnover is the reciprocal of years of supply.
A p-chart is used when we can compute only the number of defects but not the total
sample size.
If OT = the mean observed time, PRF = the performance rating factor, F = the
frequency of occurrence, and PFD = the percentage allowance based on time worked,
the formula to compute the normal time is (OT)(PRF)(F).
To retain model flexibility while using Solver you must:
a) use appropriate color codes
b) enter specific values
c) ensure the inputs and outputs are separated
d) use only cell references
e) use Slack
Single sampling plan is when
a) a non-random sample is drawn from every lot.
b) a random sample is drawn from every lot.
c) a second lot is sampled due to the first sample inconclusive results.
d) only one time is tested.
e) a sample plan used once and discarded.
For which of the following priority rules are the customers waiting times most likely to
be proportional to their respective service times?
a) first come, first served
b) longest service requirements first
c) quickest service requirements first
d) best customers first
e) emergencies first
Which popular facility layout software package works from an REL chart?
a) CONWIP
b) MRP
c) ALDEP
d) LAYOUT
e) CRAFT
Job design ensures that each employee’s _________ and ________ are geared towards
achieving the company’s mission.
a) compensation, teams
b) duties, teams
c) satisfaction, compensation
d) duties, responsibility
e) compensation, responsibility
In Excel, what combination of functions can produce the label for an item that equals a
given number?
a) MAX and INDEX
b) MAX and MIN
c) MATCH and INDEX
d) MATCH and MAX
e) ABS and MAX
The jobs listed below have not yet been scheduled. Today is day 0. Using the
critical-ratio technique, in what sequence would you schedule these jobs?
a) B-E-C-D-A
b) A-D-C-E-B
c) A-C-E-B-D
d) A-C-D-E-B
e) E-C-D-A-B
In the Excel MATCH function, which ‘Match_type’ forces the MATCH function to look
for an exact match of Lookup_value in Lookup_array?
a) 10
b) 0
c) ‘“1
d) 1
e) E
Which of the following is not considered to be a valid performance measure of a
waiting line system?
a) the average number of customers waiting in line
b) the customer population source
c) the average number of customers in the system
d) the average amount of time customers spend waiting
e) the system utilization rate
Disadvantages of globalization include ________________________________.
a) use of cheap labor in certain countries
b) increased stigma due to locating factories overseas
c) reduction of trade barriers
d) increased sales in foreign markets
e) political risks for countries with unstable governments
Which of the following is not an argument in favor of having multiple suppliers?
a) The Just-in-time philosophy can be better utilized.
b) Supplier capacity is less important.
c) Volume flexibility is obtained.
d) Risks may be spread.
e) New suppliers may more easily be tested.
A feeding buffer protects a ______ path from delays in a __________.
a) shortest, buffer overflow
b) noncritical, critical path
c) critical, noncritical path
d) critical, longest variance
e) noncritical, longest variance
What is the only service company to have won the Malcolm Baldrige National Quality
Award twice?
a) Marriott
b) Nordstrom Department Stores
c) Wal-Mart
d) Ritz-Carlton
e) Northwest Airlines
Given the following data:
(a) What are the workloads for periods 3, 4, and 5?
(b) There are 168 hours of operating time per machine each period. How many
machines should be operated for periods 3, 4, and 5?
In Excel, what are the three arguments that a MATCH function takes?
a) Lookup_value, Match_type, and Lookup_array
b) Lookup_value, Match_type, and Array
c) Lookup_value, Column_num, and Lookup_array
d) Array, Row_num, and Column_num
e) Lookup_array, Row_num, and Column_num
What is Wal-Mart’s primary consideration for its store layout decision regarding the
number and size of aisles in its stores?
a) predictability
b) comfort
c) ease of navigation through the store
d) customer exposure to merchandise
e) inventory control
Which of the following is mostly like to be a policy constraint?
a) strike at the supplier’s plant
b) raw material shipping problems
c) decreasing market demand
d) no overtime
e) a regular bottleneck in the product process
Product specifications are preset, whereas control limits are computed after observing
data.
If Joe’s Diner serves 150 meals in one day using 3 kitchen staff, what is the kitchen staff
daily productivity?
a) 40 meals/staff
b) 45 meals/staff
c) 50 meals/staff
d) 55 meals/staff
e) 60 meals/staff
The critical path is the sequential path of interrelated activities which has the
____________________.
a) most activities
b) longest time
c) most nodes
d) most events
e) most arrows
Suppose that a firm makes gears (G) and axles (A). Each gear requires 15 minutes of
labor and each axle requires 30 minutes of labor. One thousand hours of labor are
available. How should the labor constraint(s) be written?
a) G + A ≤ 1000
b) .25G + .5A ≤ 1000
c) G ≤ 15 and A ≤ 30
d) .25G + .5A ≥ 1000
e) 15G + 30A ≤ 1000
JIT is applies to
a) only the manufacturing organization
b) only the service organization
c) both the manufacturing and service organizations
d) only the production portion of manufacturing and service organizations
e) all of the organization except the marketing division
Data tables perform _____________ what-if ___________ quickly and easily.
The master production schedule is a(n) ______ production schedule and is typically
stated as _______ finished goods.
Explain the impact on forecasting that the number of observations used in a simple
moving average has.
What are the three types of charts available in Excel to illustrate model results?
The greater the number of jobs in the system, the longer the queues and subsequently
the longer the ____________.