A full-service restaurant is considering opening a new facility in a specific city. The
table below shows its ratings of four factors at each of two potential sites.
The score for Gary Mall is __________ and the score for Belt Line is __________.
A) 120; 120
B) 22; 24
C) 18; 120
D) 34; 28
E) none of the above
Methods analysis focuses on
A) the design of the machines used to perform a task
B) establishing time standards
C) reducing the number of skills needed for the completion of a task
D) issues such as the movement of individuals or materials
E) evaluating training programs to see if they are efficient
Walter Shewhart is listed among the important people of operations management
because of his contributions to
A) assembly line production
B) measuring the productivity in the service sector
C) just-in-time inventory methods
D) statistical quality control
E) all of the above
Which of the following is true regarding the process capability index Cpk?
A) A Cpk index value of 1 is ideal, meaning all units meet specifications.
B) The larger the Cpk, the more units meet specifications.
C) The Cpk index can only be used when the process centerline is also the specification
centerline.
D) Positive values of the Cpk index are good; negative values are bad.
E) None of the above is true.
A practitioner of family medicine begins her day with five patients needing urgent care.
She does a very brief assessment of what each patient appears to need and estimates the
time required of each. None of the cases is life-threatening, and so she determines to
take the five in the order that they arrived at the clinic. The data for these patients, in the
order they arrived, is Patient A, 30 minutes; Patient B, 40 minutes; Patient C, 10
minutes; Patient D, 50 minutes; and Patient E, 15 minutes.a. If it is now 8:00 a.m., at
what time will the doctor be finished with all five of these emergencies?b. How much
time will the five patients have collectively spent waiting?c. How much less time would
have been spent waiting if the doctor had taken the patients according to shortest
processing time?
Which of the following statements about acceptance sampling is true?
A) The steeper an OC curve, the better it discriminates between good and bad lots.
B) Acceptance sampling removes all defective items.
C) Acceptance sampling of incoming lots is replacing statistical process control at the
supplier.
D) Acceptance sampling occurs continuously along the assembly line.
E) All of the above are true.
Which of the following is not a condition that favors the success of vertical integration?
A) availability of capital
B) availability of managerial talent
C) required demand
D) small market share
E) All of the above favor the success of vertical integration.
The first unit of a product took 1,000 hours to build and the learning curve is 85%. How
long will it take to make the first 5 units? (Use Table E.3)
A) less than 4,005 hours
B) from 4,005 to 4,015 hours
C) from 4,015 to 4,025 hours
D) from 4,025 to 4,035 hours
E) from 4,035 to 4,045 hours
At the order fulfillment center of a major mail-order firm, customer orders, already
packaged for shipment, arrive at the sorting machine to be sorted for loading onto the
appropriate truck for the parcel’s address. The arrival rate at the sorting machine is at
the rate of 100 per hour following a Poisson distribution. The machine sorts at the
constant rate of 150 per hour.
a. What is the utilization rate of the system?
b. What is the average number of packages waiting to be sorted?
c. What is the average number of packages in the sorting system?
d. How long must the average package wait until it gets sorted?
e. What would Lq and Wq be if the service rate were exponential, not constant?
Who among the following is associated with contributions to quality control in
operations management?
A) Charles Babbage
B) Henry Ford
C) Frank Gilbreth
D) W. Edwards Deming
E) Henri Fayol
Consider the transportation problem and its optimal solution in the tables below. What
is the value of the objective function?
A) 0
B) $169
C) 300 units
D) $2,100
E) $3,140
In continuous (stock-to-forecast) operations, the master production schedule is usually
expressed in terms of
A) end items
B) modules
C) kits
D) customer orders
E) warehouse orders
MRP II is accurately described as
A) MRP software designed for services
B) MRP with a new set of computer programs that execute on microcomputers
C) MRP augmented by other resource variables
D) an enhancement of MRP that plans for all levels of the supply chain
E) a new generation of MRP software that extends MRP to planning and scheduling
functions
A customer service manager at a retail clothing store has collected numerous customer
complaints from the forms they fill out on merchandise returns. To analyze trends or
patterns in these returns, she has organized these complaints into a small number of
sources or factors. This is most closely related to the __________ tool of TQM.
A) Taguchi loss function
B) cause-and-effect diagram
C) scatter diagram
D) histogram
E) process control chart
A waiting-line system that meets the assumptions of M/M/1 has » = 1, ¼ = 4. For this
system, the probability of fewer than two units in the system is approximately
A) 0.0625
B) 0.25
C) 0.75
D) 0.9375
E) certain
Which of the following most requires long-range forecasting (as opposed to short-range
or medium-range forecasting) for its planning purposes?
A) job scheduling
B) production levels
C) cash budgeting
D) capital expenditures
E) purchasing
John’s Locomotive Works manufactures a model locomotive. It comes in two
versions–a standard (X1), and a deluxe (X2). The standard version generates $250 per
locomotive for the standard version, and $350 per locomotive for the deluxe version.
One constraint on John’s production is labor hours. He only has 40 hours per week for
assembly. The standard version requires 250 minutes each, while the deluxe requires
350 minutes. John’s milling machine is also a limitation. There are only 20 hours a
week available for the milling machine. The standard unit requires 60 minutes, while
the deluxe requires 120. Formulate as a linear programming problem, and solve using
either the graphical or corner points solution method.
The jobs listed below needed to be completed. Assume that it is now day 140. If the
jobs are sequenced according to shortest processing time rule, what is the average
completion time?
A) 47.6 days
B) 60.2 days
C) 94.0 days
D) 2.5 days
E) 238.0 days
Which one of the following is not a benefit of the implementation of JIT?
A) cost reduction
B) variability increase
C) rapid throughput
D) quality improvement
E) rework reduction
Which of the following statements about organizational missions is false?
A) They reflect a company’s purpose.
B) They indicate what a company intends to contribute to society.
C) They are formulated after strategies are known.
D) They define a company’s reason for existence.
E) They provide guidance for functional area missions.
A skeptical manager asks what short-range forecasts can be used for. Give her three
possible uses/purposes.
A linear programming problem contains a restriction that reads “the quantity of Q must
be at least as large as the sum of R, S, and T.” Formulate this as a constraint ready for
use in problem solving software.
Provide an example of the focus strategy for improving service productivity.
Suppose that 1 customer arrives each minute in a Poisson distribution. Is it more likely
that 2 customers or 0 customers will arrive each minute?
__________ are the result of adjusting gross requirements for inventory on hand and
scheduled receipts.
__________ is the use of information technology to control a physical process.