FedEx chose Memphis, Tennessee, as its U.S. hub because
A) the city is in the center of the U.S., geographically
B) the airport has relatively few hours of bad weather closures
C) it needed a means to reach cities to which it did not have direct flights
D) the firm believed that a hub system was superior to traditional city-to-city flight
scheduling
E) All of the above are true.
The type of inspection that classifies items as being either good or defective is
A) variable inspection
B) attribute inspection
C) fixed inspection
D) all of the above
E) none of the above
A Type II error occurs when
A) a good lot is rejected
B) a bad lot is accepted
C) the population is worse than the LTPD
D) the proportion of defectives is very small
E) none of the above
Subaru’s green plant is an example of the application of
A) ISO 9000
B) ISO 14000
C) TQM
D) ISO 24700
E) SPC
Daily capacity of a product layout is determined by
A) operating time divided by cycle time
B) cycle time divided by operating time
C) operating time divided by total task time
D) total task time divided by cycle time
E) cycle time divided by total task time
The decision criterion that would be used by an optimistic decision maker solving a
problem under conditions of uncertainty would be the
A) expected monetary value criterion
B) equally likely criterion
C) maximax criterion
D) maximin criterion
E) minimin criterion
Which of the following is not a measure of a queue’s performance?
A) average time spent in queue
B) average queue length
C) probability that service facility will be idle
D) utilization
E) All of the above are performance measures.
Given the project within the table below calculate
a. The critical path
b. The minimum project duration
c. The amount of slack for each activity
A disadvantage of product-oriented layout is that
A) there is a lack of flexibility in handling a variety of products or production rates
B) high volume is required because of the large investment needed to set up the process
C) work stoppage at any one point halts the whole operation
D) All of the above are disadvantages of product-oriented layouts.
E) None of the above is a disadvantage of product-oriented layouts.
Which of the following statements regarding CPM networks is true?
A) There can be multiple critical paths on the same project, all with different durations.
B) The early finish of an activity is the latest early start of all preceding activities.
C) The late start of an activity is its late finish plus its duration.
D) If a specific project has multiple critical paths, all of them will have the same
duration.
E) All of the above are false.
Each R requires 4 of component S; each S requires 3 of part T. The lead time for
assembly of R is 1 week. The lead time for the manufacture of S is 2 weeks. The lead
time for the procurement of T is 6 weeks. The cumulative lead time for R is
__________ weeks.
A) 6
B) 9
C) 12
D) 18
E) 28
Which of the following phrases best describes product focus?
A) low volume, high variety
B) finished goods are usually made to order
C) processes are designed to perform a wide variety of activities
D) high fixed costs, low variable costs
E) raw material inventories are high relative to the value of the product
A facilities manager at a company headquarters once said, “I’d like to use Muther’s
office relationship chart or the load-distance model to solve our layout problems, but
neither tool can optimize. I want the best layout possible.” Discuss.
A transportation model’s optimal solution uses no more than 8% of cells and has 100
sources. Find the number of destinations.
FedEx schedules its aircraft using a __________ system, which it credits with reducing
package mishandling and delay in transit.
The __________ is the simplest approach to learning curve problems.
The specification for a plastic liner for concrete highway projects calls for a thickness
of 6.0 mm 0.1 mm. The standard deviation of the process is estimated to be 0.02
mm. What are the upper and lower specification limits for this product? The process is
known to operate at a mean thickness of 6.03 mm. What is the C and Cpk for this
process? About what percent of all units of this liner will meet specifications?