One advantage of exponential smoothing is the limited amount of record keeping
involved.
A process-oriented layout is the traditional way to support a product differentiation
strategy.
Experience curves may be valid for industrial applications, but have no role in services
such as health care procedures.
Operations managers are finding online auctions a fertile area for disposing of
discontinued inventory
If X consists of one A and one B, and each A consists of one F and two Gs, then A is the
“parent” component of G.
The “make-or-buy” decision distinguishes between what an organization chooses to
produce and what it chooses to purchase from suppliers.
Productivity is the total value of all inputs to the transformation process divided by the
total value of the outputs produced.
Fredrick W. Taylor is credited with introducing psychology into the workplace.
Increasing inventory exposes variability in production processes.
The transportation method of linear programming is an optimizing approach to
aggregate planning.
In aggregate planning, one of the adjustable elements of capacity is the extent of
subcontracting.
A university has only one technician in the repair station to care for the computers in
the student labs. This system is most likely
A) a single channel, limited queue system
B) a single channel, limited population system
C) a multi-channel, limited queue system
D) a multi-channel, limited population system
E) none of the above
Which of the following typically shows the components, their description, and the
quantity of each required to make one unit of a product?
A) an engineering drawing
B) an assembly drawing
C) a bill of material
D) an assembly chart
E) a route sheet
Which of the following is not one of the three phases of project management?
A) planning
B) scheduling
C) controlling
D) All of the above are project management phases.
E) Both A and C are not project management phases.
The objective of a linear programming problem is to maximize 1.50A + 1.50B, subject
to 3A + 2B =<600, 2A + 4B =<600, and 1A + 3B =<420.
a. Plot the constraints on the grid below
c. Identify the feasible region and its corner points. Show your work.
d. What is the optimal product mix for this problem?
An operating characteristic (OC) curve describes
A) how many defects per unit are permitted before rejection occurs
B) the sample size necessary to distinguish between good and bad lots
C) the most appropriate sampling plan for a given incoming product quality level
D) how well an acceptance sampling plan discriminates between good and bad lots
E) none of the above
The normal application of a p-chart is in
A) process sampling by variables
B) acceptance sampling by variables
C) process sampling by attributes
D) acceptance sampling by attributes
E) none of the above
A firm makes two products, Y and Z. Each unit of Y costs $10 and sells for $40. Each
unit of Z costs $5 and sells for $25. If the firm’s goal were to maximize profit, the
appropriate objective function would be
A) maximize $40Y = $25Z
B) maximize $40Y + $25Z
C) maximize $30Y + $20Z
D) maximize 0.25Y + 0.20Z
E) none of the above
Which of the following is not among the ethical and social challenges facing operations
managers?
A) honoring stakeholder commitments
B) maintaining a sustainable environment
C) efficiently developing and producing safe, quality products
D) increasing executive pay
E) providing a safe workplace
Examine the Statistical Process Control outputs below. Answer the following questions.
a. What is the sample size?
b. What is the number of samples?
c. What is the mean of sample 8; what is the range of sample 10?
d.. Is this process in control? Explain–a simple Yes or No is insufficient.
e. What additional steps should the quality assurance team take?
The factor responsible for the largest portion of productivity increase in the U.S. is
A) labor
B) management
C) capital
D) All three combined; it is impossible to determine the contribution of individual
factors.
E) None of these
Which of the following is not a key benefit from effective scheduling?
A) lower cost
B) faster delivery
C) dependable delivery
D) quality
E) A and D
The critical path for the network activities shown below is __________ with duration
__________.
A) A-B-D; 10
B) A-B-E; 11
C) C-E; 12
D) A-D-E; 13
E) A-B-C-D-E; 22
Which of the following tasks within an Airline Company are related to Operations?
A) Crew Scheduling
B) International Monetary Exchange
C) Sales
D) Advertising
E) Accounts Payable
A fleet repair facility has the capacity to repair 800 trucks per month. However, due to
scheduled maintenance of their equipment, management feels that they can repair no
more than 600 trucks per month. Last month, two of the employees were absent several
days each, and only 400 trucks were repaired. What are the utilization and efficiency of
the repair shop?
Define fixed costs.
A(n) __________ is a listing of the components, their description, and the quantity of
each required to make one unit of a product.
In the service sector, scheduling customers is __________, and scheduling the
workforce is __________.
A non-profit organization is planning a raffle to raise money. It has two options for
tickets. The first option is to do the tickets by hand, with fixed costs of $50 and variable
costs of $.05 per ticket. The second option is to outsource production. This would result
in fixed costs of $500 and variable costs of $.01. If the organization plans to sell 10,000
tickets which option should it choose?
Provide an example of a limited or finite population for a queue.