Operation Management 566

subject Type Homework Help
subject Pages 9
subject Words 1971
subject Authors William J Stevenson

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1) When the task is fairly complex and has a longer duration, it will take a larger
number of repetitions before improvement is observed.
2) When orders exceed our capacity, priority rules are used to select which orders will
be accepted.
3) Event management is the advanced planning required for major performances such
as concerts or conferences.
4) RFID eliminates the need for counting and bar-code scanning.
5) A flow process chart is helpful for visualizing the portions of a work cycle during
which the operator and equipment are busy or idle.
6) Cpk is useful even when the process is not centered.
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7) For service organizations, the dominant factors in location analysis usually are
market-related.
8) To provide satisfactory levels of customer service while keeping inventory costs
within reasonable bounds, two fundamental decisions must be made about inventory:
the timing and the size of orders.
9) The goal of supply chain management is to synchronize supply and demand of all of
the organizations that are part of the chain.
10) Commonality of components is beneficial for manufacturing but not for services.
11) Which one of the following would not generally be classified under the heading of
transformation?
A.assembling
B.teaching
C.staffing
D.farming
E.consulting
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12) Consider the following decision scenario:
If you are uncertain which state of nature will occur, and use the minimax regret
criterion, which alternative will you select?
13) ___________ is most closely associated with breakdown maintenance.
A.Equipment adjustment
B.Equipment cleaning
C.Equipment inspection
D.Repair of broken parts
E.Replacement of worn parts
14) The AQL indicates:
A.acceptable quality level.
B.average quality level.
C.actual quality level.
D.aggregate quality level.
E.approximate quality level.
15) Although they do not guarantee optimal solutions, ______________ are useful in
finding reasonable solutions when the number of possible options is overwhelming.
A.cellular layouts
B.heuristics
C.logistics
D.CAM
E.CAD
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16) A behavioral approach to job design which increases responsibility for planning and
coordinating tasks is job:
A.enlargement.
B.rotation.
C.enrichment.
D.involvement.
E.enhancement.
17) A company needs to locate three departments (X, Y, and Z) in the three areas (I, II,
and III) of a new facility. They want to minimize interdepartmental transportation costs,
which are expected to be $.50 per load meter moved. An analyst has prepared the
following flow and distance matrices:
What is the layout that will minimize the total distance loads will be moved each week?
A.X in 1; Y in 2; Z in 3
B.X in 1; Z in 2; Y in 3
C.Y in 1; X in 2; Z in 3
D.Z in 1; X in 2; Y in 3
E.Z in 1; Y in 2; X in 3
18) The maker of the world-famous Chocolate Chip Cookies needs to design a product
layout for a new product, Mint Chocolate Chip. The company plans to use this new
production line eight hours a day in order to meet projected demand of 1,440 cases per
day. The following table describes the tasks involved in the production of a Mint
Chocolate Chip Cookie.
For output to equal projected demand, what will be the first task performed at the third
workstation of the production line which uses the minimum number of stations?
A.u
B.v
C.w
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D.x
E.y
19) A work center can be a:
(I) machine.
(II) group of machines.
(III) department.
(IV) facility.
A.I, II, and III only
B.II and IV only
C.II and III only
D.I and III only
E.I, II, III, and IV
20) The Skulls, a student social organization, has two different locations under
consideration for constructing a new chapter house. The Skulls' president, a POM
student, estimates that due to differing land costs, utility rates, etc., both fixed and
variable costs would be different for each of the proposed sites, as follows:
If it is estimated that 30 persons will be living in this new chapter house, what would be
the Skulls' annual cost savings by selecting the less costly location, rather than the more
costly?
A.$0
B.$1,500
C.$200
D.$150
E.$350
21) A manager must decide between two location alternatives, Boston and Chicago.
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Boston would have annual fixed costs of $70,000, transportation costs of $60 per unit,
and labor and material costs of $200 per unit. Chicago would have annual fixed costs of
$90,000, transportation costs of $40 per unit, and labor and material costs of $170 per
unit. Revenue will be $300 per unit.
(A) Which alternative would yield the higher profit for an annual demand of 3,000
units?
(B) Would the two locations yield the same profit at a certain volume? If so, at what
volume would that be?
22) Which of the following is not a component of the structure of a linear programming
model?
A.constraints
B.decision variables
C.parameters
D.a goal or objective
E.environmental uncertainty
23) A campaign manager for a political candidate must arrange the shipment of 150
cartons of campaign buttons from three button producers to three campaign
headquarters. The supplies and demands, and the per-carton transportation costs, are
shown below:
Which of the following is an objective function for the problem?
A.
B.
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C.
D.
E.None of the choices.
24) Refer to the following data for jobs waiting to be processed at a single work center
(jobs are shown in order of arrival):
What is the average completion time for the shortest processing time priority rule?
Average job tardiness? Average number of jobs at the center?
25) The primary method for associative forecasting is:
A.sensitivity analysis.
B.regression analysis.
C.simple moving averages.
D.centered moving averages.
E.exponential smoothing.
26) In the project network presented below, numbers on each arrow refer to the
expected time and standard deviation in weeks for that particular activity. For example,
"8,2" indicates an activity with an expected time of 8 and a standard deviation of two
weeks.
For this project, determine each of the following:
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(A) the activities which are on the critical path
(B) the expected project duration
(C) the probability that the project will be completed in 29 weeks or less
27) A productivity increase in one operation that does not improve overall productivity
of the business is not
A.worthwhile.
B.trivial.
C.competence-destroying.
D.an order winner.
E.an order qualifier.
28) A company produces two products (A and B) using three resources (I, II, and III).
Each product A requires 1 unit of resource I and 3 units of resource II and has a profit of
$1. Each product B requires 2 units of resource I, 3 units of resource II, and 4 units of
resource III and has a profit of $3. Resource I is constrained to 40 units maximum per
day; resource II, 90 units; and resource III, 60 units.
What is the objective function?
29) A work sampling study of dockworkers must be set up. There will be a large
number of random observations. However, for this exercise, determine an observation
schedule (arranged chronologically) for six observations. Assume workers are on the
docks for eight hours a day, and that the study will be done over a 60-day period. Use
the random digits listed below.
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30) Given the following data for jobs awaiting processing at a manufacturing cell in
which jobs are first processed by machine A, then by machine B:
What is the idle time at machine B for the optimum schedule?
31) A company produces two products (A and B) using three resources (I, II, and III).
Each product A requires 1 unit of resource I and 3 units of resource II and has a profit of
$1. Each product B requires 2 units of resource I, 3 units of resource II, and 4 units of
resource III and has a profit of $3. Resource I is constrained to 40 units maximum per
day; resource II, 90 units; and resource III, 60 units.
Is the production combination 15 A's and 15 B's feasible?
32) A time study of a job produced the following: average cycle time = 1.5 minutes,
performance rating = 1.15. Allowances are 18 percent of the workday (480 minutes).
Determine the standard time for this job.
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33) Refer to the following data for jobs waiting to be processed at a single work center
(jobs are shown in order of arrival):
What is the schedule sequence using the earliest due date priority rule?

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