The transportation model seeks satisfactory, but not necessarily optimal, solutions for
shipping goods from several origins to several destinations.
Focus forecasting tries a variety of computer models and selects the best one for a
particular application.
A c-chart is appropriate to plot the number of flaws in a bolt of fabric.
A 90% learning curve implies that each time the production volume is doubled the
direct time per unit is reduced to 90% of its previous value.
Lead times, inventory availability, and purchase orders outstanding are among the five
things operations managers must know for effective use of MRP.
In manufacturing scheduling, physical inventories of goods can buffer variations in
demand, but service scheduling normally lacks that buffer because services are
generally consumed at the same time they are delivered.
The graphic approach to location break-even analysis displays the range of volume over
which each location is preferable.
Finite capacity scheduling allows virtually instantaneous changes by operators, which is
the technique’s primary advantage over rule-based scheduling.
In trend projection, a negative regression slope is mathematically impossible.
Many services maintain records of sales noting
A) the day of the week
B) unusual events
C) weather
D) holidays
E) all of the above
Which of the following statements concerning CPM activities is false?
A) The early finish of an activity is the early start of that activity plus its duration.
B) The late finish is the earliest of the late start times of all successor activities.
C) The late start of an activity is its late finish less its duration.
D) The late finish of an activity is the earliest late start of all preceding activities.
E) The early start of an activity is the latest early finish of all preceding activities.
Costs of dissatisfaction, repair costs, and warranty costs are elements of cost in the
A) Taguchi Loss Function
B) Pareto chart
C) ISO 9000 Quality Cost Calculator
D) process chart
E) none of the above
The learning curve for a product is 80 percent. The first unit took 100 hours to
complete. The manufacturer wants to determine how many hours the fifth unit will take
by using the logarithmic method. The coefficient for that calculation is approximately
A) -.0969
B) -.2231
C) -.3219
D) .80
E) 1.903
Which productivity variable has the greatest potential to increase productivity?
A) labor
B) globalization
C) management
D) capital
E) none of the above
A firm operates a flow shop building kitchen cabinetry for recreational vehicles. The
major activities of this process are listed below.
a. Draw the appropriate network for this project.
b. What would the cycle time be if the goal is to produce 20 units per month (the plant
operates
160 hours per month)?
c. What is the theoretical minimum number of workstations needed?
d. Balance with the most following tasks heuristic. What tasks are assigned to which
stations?
e. What is the efficiency of the line obtained in part d?
A firm producing a good is more likely to have which set of the following
characteristics compared to a firm providing a service?
A) many subjective quality standards, tangible product, and locate away from
customers
B) many subjective quality standards, intangible product, and locate away from
customers
C) many objective quality standards, tangible product, and locate near customers
D) many objective quality standards, tangible product, and locate away from customers
E) many objective quality standards, intangible product, and locate away from
customers
An iso-profit line
A) can be used to help solve a profit maximizing linear programming problem
B) is parallel to all other iso-profit lines in the same problem
C) is a line with the same profit at all points
D) all of the above
E) none of the above
Suppose that the allowance factor for a job is .5 and the normal time is 5 hours. What is
the standard time?
A) 5 hours
B) 2.5 hours
C) 10 hours
D) 7.5 hours
E) cannot determine with the given information
Throughput measures the time
A) that it takes to process one unit at a station
B) between the arrival of raw materials and the shipping of finished products
C) to produce one whole product through an empty system (i.e., with no waiting)
D) required to move orders through the production process, from receipt to delivery
E) none of the above
The statistical process chart used to control the number of defects per unit of output is
the
A) -chart
B) R-chart
C) p-chart
D) AOQ chart
E) c-chart
Which of the following is not a step in running a Monte Carlo simulation?
A) setting up a probability distribution for important variables
B) building a cumulative probability distribution for each variable
C) establishing an interval of random numbers for each variable
D) generating random numbers
E) All of the above are steps in running a Monte Carlo simulation.
McDonald’s Russian “food town” is to __________ risk as Hard Rock Caf©’s
franchising in diverse political and cultural environments to overcome barriers is to
__________ risk.
A) process, environmental
B) control, environmental
C) control, process
D) process, control
E) environmental, control
An operations manager is not likely to be involved in
A) the design of goods and services to satisfy customers’ wants and needs
B) the quality of goods and services to satisfy customers’ wants and needs
C) the identification of customers’ wants and needs
D) work scheduling to meet the due dates promised to customers
E) maintenance schedules
A time study is being conducted to determine the standard time for a job that is made up
of several elements. This standard time requires as input(s)
A) the average observed time for each element
B) one average observed time for all elements
C) one performance rating factor to be used by all elements
D) a separate allowance factor for each element
E) all of the above
Learning curves can be applied to a variety of purposes internal to a firm, including
A) labor forecasting
B) scheduling
C) establishing costs
D) establishing budgets
E) all of these
When constructing a House of Quality, what value is assigned to a €Medium€
relationship between the things that we can do?
A) 3
B) 2
C) 50
D) 5
E) 10
Which of the following is the best example of a pure service?
A) counseling
B) oil Change
C) heart transplant
D) electric Co-Op
E) all of the above
An assembly chart
A) shows graphically how the product is assembled
B) shows an exploded view of the product
C) lists the operations, including assembly and inspection, necessary to produce the
component with the material specified in the bill of material
D) provides detailed instructions on how to perform a given task
E) describes the dimensions and finish of each component
Five jobs are waiting for processing through two work centers. Their processing time
(in minutes) at each work center is contained in the table below. Each job requires work
center Alpha before work center Beta. According to Johnson’s rule, what is the optimum
sequence of jobs and the minimum time for completion of all jobs?
A) V-T-S-U-R; 225
B) U-R-T-S-V; 175
C) R-S-T-U-V; 240
D) U-S-V-T-R; 200
E) none of the above
A distribution of service times at a waiting line indicates that service takes 12 minutes
30 percent of the time and 14 minutes 70 percent of the time. Prepare the probability
distribution, the cumulative probability distribution, and the random number intervals
for this problem. The first six random numbers were 99, 29, 27, 75, 89, and 78. What is
the average service time for this simulation run?
State two examples of cultural and ethical issues that face operations managers in a
global environment.
Describe finite capacity scheduling in a sentence or two. What is its role in short-term
scheduling?
Four A washers, Five B washers, Two C bolts, and a D bolt are required to make one
Grill parts kit. If 100 grill part kits are needed how many more washers will be
consumed than bolts?
Identify, in proper sequence, the steps in the process of recognizing and managing
constraints.
The __________ is the percent defective in an average lot of goods inspected through
acceptance sampling.