Cost data
Capacity data
Demand data
Develop a chase aggregate plan without inventory and back orders. Do no hiring or
firing. When demand exceeds regular production, use overtime up to its maximum and
then subcontracting. When demand is less than regular production, use undertime (data
given above).
(a) What are the total hours of overtime per employee for the plan?
(b) How many total units are produced using subcontracting?
(c) What are the total hours of undertime per employee for the plan?
(d) What is the total cost?
(e) What is the cost per unit?
For a single-server, single-line, single-phase waiting line system, where represents
the mean arrival rate of customers and represents the mean service rate, what is the
formula for the average number of customers waiting in line?
a) /
b) / ( )
c) pL
d) 1 / ( )
e) / ( )
Companies can achieve cost-efficient operations by using which of the following
inventory approaches?
a) work-in-process to buffer operations
b) inventory building to leverage reduced setup costs
c) JIT inventory to reduce overall cost
d) level work force maintenance through
e) speculative selling
In what area does General Motors earn its highest return on capital?
a) selling cars
b) selling logo merchandise
c) financing
d) selling racing engines
e) post-sales parts and service
Warranty claims, customer complaints, and costs of litigation are examples of
__________ costs.
a) Internal failure
b) External failure
c) Appraisal
d) Prevention
e) Replacement
50 = ________?
a) 5
b) 0
c) undefined
d) 1
e) 1/5
Scheduling in the high-volume environment is typically done through what?
a) priority rules
b) line design and balancing
c) Thompson’s rule
d) Simpson’s rule
e) Johnson’s rule
Solver provides many options for the solution process. For LPs, the two most
commonly used are:
a) assume linear model, assume negative
b) assume non-linear model, assume negative
c) assume non-linear model, assume non-negative
d) assume linear model, assume non-negative
e) assume non-linear model, assume non-negative
What are the two primary objectives of aggregate planning?
a) material availability and supplier size
b) total cost and production rate
c) input rate and training for employees
d) output rate and workforce size
e) transportation rate and workforce size
Which of the following models uses equations and relationships among quantities to
represent situations?
a) physical model
b) mathematical model
c) mental model
d) spreadsheet model
e) visual model
Which of the following is not typically indicated as part of the resources authorized in
an aggregate plan?
a) number of machines to be used
b) size of the workforce
c) authorized level of overtime and undertime
d) number of units to be subcontracted
e) level of inventory held
Suppose that you are using the simple mean to make a forecast. This period’s forecast
was equal to 100 units, and it was based on 6 periods of demand. This period’s actual
demand was 86 units. What is your forecast for next period?
a) 98
b) 100
c) 93
d) 86
e) Not enough information is given to answer the question.
Operations management is responsible for orchestrating all the resources needed to
produce the final product. This includes all of the following except
______________________________________.
a) obtaining customer feedback
b) arranging schedules
c) managing inventory
d) controlling quality
e) designing work methods
JIT is a __________ system.
a) Pull
b) Push
c) Lead time
d) Preventive maintenance
e) Closed
Which phase in the project life cycle involves ending the project?
a) conception
b) feasibility analysis or study
c) planning
d) execution
e) termination
Beliefs that help define the JIT philosophy include all of the following except
a) Simplicity
b) Visibility
c) Flexibility
d) Push production
e) Continuous improvement
Which of the following is not considered to be an element of a waiting line system?
a) the priorities used for controlling the line
b) the customer population source
c) the service system
d) the arrival and service patterns
e) the average amount of time customers spend waiting
One important consideration in designing any layout is
a) consistency
b) flexibility
c) equitability
d) uniformity
e) tenure
Sweet-Dreams Inc. manufactures custom pillows. Five jobs are waiting to be processed
using the SPT priority rule. Their processing times are shown in the following table.
What is the average number of jobs in the system?
a) 66
b) 13.2
c) 27
d) 5.4
e) 3.38
The challenge with behavioral feasibility is to design a job ____________ and that adds
value.
a) that is socially acceptable
b) that will not get the worker in trouble
c) without doing something that is morally wrong
d) that the worker feels good about doing
e) fits in with the norms of society
In politics, a _______________ is a candidate’s ____________ of the resources need to
run a successful political campaign.
Name a company that has a good match between customer expectations and a company
that does not have a good match.
What are some examples of infrastructure issues that firms managing global supply
chains may encounter?
In the TOC, if delays exceed the feeding buffer, the project completion date is still
protected by the ____________.
________, ________, ________ are critical factors in successful partnering.
What is the formula for the basic capability index?
Beginning Inventory + MPS Shipment – maximum of (forecast and customer orders) is
called ________________________.