All sequencing rules strive to optimize both processing efficiency and due date
performance.
Managing quality is not an important part of project management.
Mass production is often associated with assembly lines.
Because of globalization of markets, managers are finding it increasingly more difficult
to create accurate demand forecasts.
Operations management designs, operates, and improves marketing systems.
Service quality in waiting line systems sometimes depends on the psychology of
waiting.
Capital budgeting techniques are often one of the inputs used for technology decisions.
Line balancing is a procedure that requires cycle time to be the same as flow time.
As the level of inventory increases to provide better customer service, quality-related
customer service costs decrease.
Tardiness is defined as the difference between a job’s flow time and makespan.
Most companies use mixed strategies for managing demand.
One quantitative measure of maintainability is mean time to repair (MTTR).
A mixed-model assembly line processes each model in large batch sizes.
Box retailers are some of the largest facilities in the United States.
The wide variety of jobs in a job shop makes scheduling easy.
Process innovation reflects the total redesign of a process for a breakthrough
improvement.
With _________________ scheduling, loading and sequencing decisions are made at
the same time.
a. finite
b. terminal
c. infinite
d. genetic
Material requirements planning (MRP) is a useful for all of the following except
a. dependent demand items.
b. discrete demand items.
c. independent demand items.
d. erratic orders.
Supplying orders in a short period of time according to a predetermined schedule is
called
a) periodic delivery.
b) continuous delivery.
c) on-demand delivery.
d) All of these answer choices are correct.
All the following are approaches used in risk pooling within a supply chain except
a. reducing the number and variety of parts.
b. encouraging large orders.
c. combining inventories from multiple locations into one location.
d. None of these answer choices is correct.
The _________________, also known as the 10+2 initiative, reduces terrorism by
utilizing the latest tracking and tracing, and communication and reporting technologies.
a. security within initiative
b. secure freight initiative
c. secure borders initiative
d. None of these answer choices is correct.
The simplex method is a solution method used for linear programming problems that
have
a. no constraints.
b. at least one constraint.
c. at least two constraints.
d. at least three constraints.
Advantages of using a predetermined motion time system include all of the following
except
a. worker cooperation and compliance are not required.
b. ignores job context within which a single motion takes place.
c. workplace is not disrupted.
d. eliminates the need for subjectively determining performance ratings.
A service counter employs two servers. On average, a server requires 8 minutes to
process a customer and service times follow an exponential distribution. Customers
arrive at the counter at the rate of 12 per hour according to a Poisson distribution. The
probability that there are no customers in the system is
a. 0.800
b. 0.536
c. 0.369
d. 0.111
A demand-driven value chain is considered to be a global supply chain that is organized
according to all the following overlapping areas of responsibility except
a. supply management.
b. demand management.
c. product management.
d. process management.
Which of the following is not a major input into capacity requirements planning
(CRP)?
a. planned order releases
b. routing file
c. load profiles for each work center
d. open orders file
The amount of time a worker and a machine are working or idle on a job is illustrated
by a
a. process flowchart.
b. worker analysis.
c. task analysis.
d. worker-machine chart.
Problems associated with using a part-time workers strategy for adjusting capacity
include all of the following except
a. high turnover.
b. accelerated training requirements.
c. scheduling difficulties.
d. high retirement costs.
Benefits of e-procurement include all of the following except
a) lower prices.
b)faster delivery.
c)fewer transactions.
d)reduced labor.
The following information relates to a company’s aggregate production planning
activities:
Beginning Workforce = 35 workers
Production per Employee = 1,250 units per quarter
Hiring Cost = $500 per worker
Firing Cost = $1,000 per worker
Inventory Carrying Cost = $20 per unit per quarter
If a chase demand strategy is used then the number of workers hired at the start of
quarter 2 is
a. 10
b. 20
c. 35
d. 80
Lean production is difficult to implement when
a. demand is highly variable.
b. product variety is high.
c. there are many unique products.
d. All of these answer choices are correct.
Given the following Product Structure Record
The number of G’s required for each A is
a. 2.
b. 8.
c. 12.
d. 24.
Which of the following is a type of facility addressed by the facility location decision?
a. heavy manufacturing
b. light manufacturing
c. retail and service facilities
d. All of these answer choices are correct.
The following table of probabilistic time estimates (in weeks) and activity predecessors
are provided for a project.
Table ZZ
The probability that the project will take longer than 33 weeks to complete is
approximately
a. 0.19.
b. 0.32.
c. 0.68.
d. 0.81.
If the following jobs are sequenced according to the first-come-first-served (FCFS) rule
then the mean completion time in days for all jobs is (assume zero for today’s date)
a. 33 days.
b. 22 days.
c. 6.6 days.
d. 4.4 days.
Which of the following is not an area of disadvantage of cellular layouts?
a. cell balance
b. work-in-process inventory
c. capital investment
d. training and scheduling
A small diner has one employee and a counter with seating for 8 customers. The diner
does not package food for takeout. Customers arrive at the diner at the rate of 20 per
hour (Poisson distributed). Service times are exponentially distributed and average 24
per hour. Customers that arrive when all seats are taken do not enter the diner. What is
the average time a customer spends waiting?
a. 2.5 minutes
b. 3.0 minutes
c. 6.44 minutes
d. 24 minutes
Changing management’s traditional control-oriented relationship with employees to one
of cooperation, mutual trust and teamwork requires a
a. short term commitment to aggressive contractual planning.
b. medium term commitment to dramatic organizational design.
c. long term focus commitment as a key part of the strategic design.
d. None of these answer choices is correct.