A project being analyzed by PERT has 60 activities, 13 of which are on the critical path.
If the estimated time along the critical path is 214 days with a project variance of 100,
the probability that the project will take 224 days or more to complete is
A) near zero
B) 0.0126
C) 0.1587
D) 0.8413
E) 2.14
Which of the following transformations generally has the highest equipment utilization?
A) process-focused process
B) repetitive process
C) product-focused process
D) specialized process
E) modular process
Which of the international operations strategies involves a focus on high cost reductions
and low local responsiveness?
A) international strategy
B) global strategy
C) transnational strategy
D) multidomestic strategy
E) none of the above
A work sampling study requires an acceptable error level of 10 percent and 95 percent
confidence. a. What is the adequate sample size if the sample proportion is as large as
50 percent? b. What is the adequate sample size if the sample proportion is estimated to
be about 20 percent?
The process improvement technique that sorts the “vital few” from the “trivial many” is
A) Taguchi analysis
B) Pareto analysis
C) benchmarking
D) Deming analysis
E) Yamaguchi analysis
Which of the following is false concerning enterprise resource planning (ERP)?
A) It attempts to automate and integrate the majority of business processes.
B) It shares common data and practices across the enterprise.
C) It is inexpensive to implement.
D) It provides and accesses information in a real-time environment.
E) All of the above are true.
In supply-chain management, ethical issues
A) are particularly important because of the enormous opportunities for abuse
B) may be guided by company rules and codes of conduct
C) become more complex the more global is the supply chain
D) may be guided by the principles and standards of the Institute for Supply
Management
E) All of the above are true.
Which of the following shows in schematic form how a product is assembled?
A) an engineering drawing
B) an assembly routing
C) an assembly chart
D) a route sheet
E) a process sheet
Activity charts help analyze
A) movement of people and materials
B) utilization of an operator and machine
C) body movements
D) activities that can cause injuries
E) unnecessary micro-motions
Which of the following is not an effectiveness criterion for scheduling?
A) minimizing customer waiting time
B) minimizing completion time
C) minimizing WIP inventory
D) maximizing utilization
E) maximizing flow time
Which of the following best differentiates material requirements planning (MRP) from
finite capacity scheduling (FCS)?
A) FCS recognizes the finite nature of capacity while MRP does not.
B) FCS works in services while MRP does not.
C) MRP requires time buckets while FCS does not.
D) FCS is an input into traditional MRP systems.
E) FCS uses the Wagner-Whitin algorithm while MRP uses lot-for-lot and EOQ.
Which of the following uses regression to incorporate historical managerial
performance into aggregate planning?
A) transportation method
B) simulation
C) linear decision rule
D) management coefficients model
E) keiretsu
Intangible costs include which of the following?
A) quality of prospective employees
B) quality of education
C) availability of public transportation
D) all of the above
E) none of the above
Which of the following best describes vertical integration?
A) to sell products to a supplier or a distributor
B) to develop the ability to produce products which complement the original product
C) to produce goods or services previously purchased
D) to develop the ability to produce the specified good more efficiently than before
E) to build long-term partnerships with a few suppliers
Process redesign
A) is the fundamental rethinking of business processes
B) can focus on any process
C) tries to bring about dramatic improvements in performance
D) focuses on activities that cross functional lines
E) all of the above
Consider a firm with a 2007 net income of $20 million, revenue of $60 million and cost
of goods sold of $25 million. If the balance sheet amounts show $2 million of inventory
and $500,000 of property, plant & equipment, what is the inventory turnover?
A) 12.50
B) 10.00
C) 42.00
D) 4.16
E) 20.00
A grocery store is trying to find a new vendor for carrots. Its three criteria are 1.
Freshness, 2. Lot Size, and 3. Cost with factor weights of .6, .1, and .3 respectively.
What would a vendor with ratings of 6, 8, and 10 in the three respective categories
score as a weighted total?
A) 24
B) 1
C) 7.4
D) 9.8
E) none of the above
Statistical process control charts
A) display the measurements on every item being produced
B) display upper and lower limits for process variables or attributes, and signal when a
process is no longer in control
C) indicate to the process operator the average outgoing quality of each lot
D) indicate to the operator the true quality of material leaving the process
E) none of the above
An item’s holding cost is 60 cents per week. Each setup costs $120. Lead time is 2
weeks. EPP is
A) .005
B) 60
C) 72
D) 100
E) 200
Which of the following is not an application of simulation in the area of operations?
A) personnel scheduling
B) truck dispatching
C) plant (or facility) layout
D) inventory management using EOQ principles
E) inventory planning and control
What is the quality loss function (QLF)?
The seventh unit of production took 63.423 minutes while the ninth unit of production
took 59.8 minutes. What is the improvement rate?
Define the following terms that occur in assembly line balancing: cycle time, minimum
number of workstations, and efficiency.
Identify three specific measures that indicate how well assets are utilized. What are the
formulas for each measure?
__________ is a computer-controlled warehouse that provides for the automatic
placement of parts into and from designated places within the warehouse.
The three information needs of a transportation problem are the origin points and the
capacity at each, the destination points and the demand at each, and __________.
Management is concerned that workers create more product defects at the very
beginning and end of a work shift than at other times of their eight hour workday.
Construct a scatter diagram with the following data, collected last week. Is management
justified in its belief?
A simple electrical motor has three components: windings, armature, and housing.
These three components have reliabilities of .9998, .9992, and .9999. There is no
possibility of redundant parts. What is the reliability of the motor? Round your answer
to four decimal places.
The __________ is the crucial moment between the service provider and the customer
that exemplifies, enhances, or detracts from the customer’s expectations.