ISQS Homework Ch1-6 questions

If the average time to serve a customer is 3 minutes, then the service rate is ______

20 per hour

If, on average, it takes 90 seconds to serve a customer then the hourly service rate is ______

40 per hour

______ work formed the basis for the mathematical analysis of waiting lines

A. K. Erlang's

The work of W. Edwards Deming is more closely associated with ____

TQM

________ advocated continuous improvement to the production process to achieve conformance to specifications and reduce variability

W. Edwards Deming

Quality function deployment (QFD) is _____

a structures process that translates the voice of the customer into technical design requirements

Failure mode and effect analysis (FMEA) is _______

a systematic approach to analyzing the causes and effects of product failures

Fault tree analysis (FTA) is _____

a visual method for analyzing the interrelationships among failures

Which of the following is not an event or concept associated with the quality revolution? a. TQM b. PERT/CPM c. business process reengineering d. JIT

b. PERT/CPM

As a part of design for robustness Taguchi believes that _______

consistent errors can be more easily corrected than random errors, parts within tolerance limits may produce assemblies that are not within limits, and consumers have strong preference for product characteristics near their ideal value

Steel, paper, paints, and chemicals are examples of products that use ______

continuous production

All of the following are parts of DMAIC, expect: a. define b. measure c. analyze d. improvise

d. improvise

All of the following are transformation processes expect: a. physiological b. locational c. exchange d. optimal

d. optimal

A firm's process strategy defines all of the following except its ______. a. capital intensity b. process flexibility c. vertical integration d. process selection

d. process selection

Which of the following quality tools display the relationship between two variables on a graph? a. process flow chart b. fishbone diagram c. histogram d. scatter diagram

d. scatter diagram

The number of channels in a queuing process______

denotes the number of parallel servers for servicing arriving customers

Dividing a job into a series of small tasks each performed by a different worker is known as______

division of labor

The transformation process associated with retail operations is best described as ______

exchange

Most of the operations in batch production involve ______

fabrication

The design process begins with ___

form design

W. Edwards Deming's overall philosophy for achieving quality is embodied in _______

his 14 points

The transformation process associated with communication is best described as ______

infomrational

______ failure cost includes scrap, rework, and downtime.

internal

Japanese firms used the concept of ________ to convert from mass production to lean production.

just-in-time

The ratio of a firm's monthly output to the number of labor hours used in the month would be a measure of ________

labor productivity

One disadvantage of mass production is its ______

lack of responsiveness

The production system that prizes flexibility over efficiency and quality over quantity is known as _______

lean production

The transformation process associated with transportation or warehouse operations is best described as ______

locational

A grocery store is an example of a _____

mass service

What is a quantitative measure of reliability?

mean time between failures (MTBF)

What is a quantitative measure of maintainability?

mean time to repair (MTTR)

Combining standardized building blocks in different ways to create unique finished products is known as ____

modular design

Linear programming, simulation, and waiting line theory are most closely associated with which era in the historical development of operations management?

operations research

If the quality of a process's output is determined by classifying the output as being defective or not defective, use a ___ control chart

p-chart

What control chart is often based on sample sizes larger than one hundred?

p-chart

What control chart is used to monitor the number of defective items within a sample?

p-chart

Directly involving employees in the quality-management process is referred to as

participative problem solving

The transformation process associated with manufacturing operations is best described as ______

physical

The transformation process associated with health care is best described as ______

physiological

The ease of adjusting resources in response to changes is demand defines firm's _______

process flexibility

The degree of competitiveness in an industry can affect ______

product innovation, technological investment, and operating strategy

A dentist office is an example of a ______

professional service

The transformation process associated with entertainment is best described as ______

psychological

Make sure that the product meets the design specifications during production is referred to as _____

quality of conformance

The cost associated with developing a quality management system are known as:

quality planning costs

The _____ refers to the order in which waiting customers are served

queue discipline

Creating a preliminary design that can be quickly tested and then either discarded or further refined is referred to as ____

rapid prototyping

Fundamentally, operations are concerned with _____.

reducing cost, shortening cycle and fulfillment times, and improving quality

The probability that a product will operate properly within an expected time frame is the dimension of quality known as ____

reliability

The probability that a product will perform its intended function for a specified length of time under normal conditions is called ____

reliability

Carefully dismantling and inspecting a competitor's product to look for design features that can be incorporated into your own product known as _____

reverse engineering

In general , as the number of servers in a waiting line system increases_______

service cost increases and waiting cost decreases

A airline is an example of a ______

service factory

A teacher is an example of a _____

service shop

Mass production systems tend to employ ______

specialized equipment and limited labor skills

A firm who is adept at recognizing global windows of opportunity, acting on those very quickly, with tight linkages can be said to be competing on :

speed

The ability to meet present needs without compromising those of future generations is a concept in product design known as:

sustainability

Companies go global to ________

take advantage of favorable cost, to keep abreast of trends and access new technology, and to build reliable sources of supply

Operation management is concerned with ______.

the design, operation and improvement of a firm's productive systems

In the waiting line system, the _______ reflects the probability that the server is busy and the customer must wait.

utilization factor

The extent to which the firm will produce the inputs and control the outputs of each stage of the production process is known as _______

vertical integration

If the quality of a process's output is determined by the average value of a sample, use a _____ control chart

x bar

What control chart is used to control variation between samples?

x bar

The number of arrivals per unit of time at a service facility can frequently be described by a _____

Poisson distribution

A structured process that translates the voice of the customer into technical design requirements is known as _____

QFD

If the quality of a process's output is determined by the difference between the largest and smallest values in a sample, use a ____ control chart

R chart

What control chart is used to control the variation within samples?

R chart

What chart is frequently used together to monitor and control quality?

R/x bar

All of the following are responsibilities of operations managers except______. a. acquiring financial resources b. managing inventories c. planning production d. scheduling production

a. acquiring financial resources

Which of the following is not an advantage of batch production? a. frequent changes in product mix b. flexibility c. customization of output d. quality reputation

a. frequent changes in product mix

All of the following are characteristics of an effective design process expect: a. increasing the design time for new products and services b. meeting customers requirements in the least costly manner c. matching product or service characteristics with customer requirements d. minimizing the number of revisions needed to make design workable

a. increasing the design time for new products and services

All of the following are characteristics of today's consumer market expect_____. a. longer product life cycles b. shorter product life cycles c. more customized products d. product proliferation

a. longer product life cycle

Which of the following quality tools display the step in a process on a graph? a. process flow chart b. fishbone diagram c. histogram d. scatter diagram

a. process flow chart

All of the following are principles of green product design except: a. use new materials b. use less materials c. involve the entire supply chain d. change paradigm of design

a. use new materials

Mass production is well suited to all of the following except_____. a. producing large volumes of goods quickly b. adapting quickly to changes in market demand c. producing standardized products for a large market d. all of the above

b. adapting quickly to changes in market demand

A print shop is an example of which of the following process choices? a. project b. batch production c. continuous production d. mass production

b. batch production

Complex scheduling problems are most likely to occur with which process type? a. mass production systems b. batch production systems c. continuous production systems d.repetitive manufacturing systems

b. batch production system

Which of the following is not a potential risk associated with a project? a. huge swings in resource requirements b. extensive learning curve benefits c. limited learning curve benefits d. small swings in resources requirements

b. extensive learning curve benefits

Which of the following quality tools display causes of poor quality on a graph? a. process flow chart b. fishbone diagram c. histogram d. scatter diagram

b. fishbone diagram

Which of the following quality tools display the frequency of data related to a quality to a quality problem? a. fishbone diagram b. histogram c. scatter diagram d. process flow chart

b. histogram

Which of the following is not one of the four primary functional areas of a firm? a. human resources b. legal c. marketing d. operations

b. legal

Which of the following is not a characteristic of an effective product design process? a. matches product characteristic with customer requirements b. maximizes the revisions necessary to make a design workable c. ensures that customer requirements are met in the least costly and simplest manner d. reduces the time required to design a new product or service

b. maximizes the revisions necessary to make a design workable

Variable demand and small to moderate quantities produced to order are characteristics usually associated with ______

batch production

W. Edwards Deming believed that primary responsibility for quality improvement rested with _________

both the employees and management of the firm

If the quality of a process's output is determined by the number of defects within a small sample, uses a ____ control chart

c- chart

What control chart is based on sample size as small as one?

c-chart

What control chart is based on the number of defects within a sample?

c-chart

All of the following can improve a products reliability except? a. simplifying product design b. improving individual component reliability c. changing the product warranty d. adding redundant components

c. changing the product warranty

Which of the following is not a basic element of a waiting line? a. arrivals b. servers c. cost of waiting d. waiting line structure

c. cost of waiting

Which of the following is not a dimension for a manufactured good? a. performance b. reliability c. courtesy d. durability

c. courtesy

Which of the following will not improve design for manufacture and assembly? a. minimizing the number of parts and sub-assemblies b. using standard when possible c. designing parts for limited, unique uses d. designing parts for many, varied uses

c. designing parts for limited, unique uses

Which of the following is not a characteristic of a service? a. intangible b. variable output c. difficult to emulate d. perishable

c. difficult to emulate

The major factors impacting globalization of the supple chain includes all the following except _____. a. creation of the WTO b. regional trade agreement c. fall of communism d. advances in information and transportation technology

c. fall of communism

Disadvantages of batch production include all of the following except_____. a. high per-unit costs b. frequent changes in product mix c. flexibility d. scheduling problems

c. flexibility

Which of the following is not a characteristic of mass production? a. made-to-stock b. stable demand c. high product variety d. high product volume

c. high product variety

The _____ is the source of customers for a waiting line system

calling population

Simultaneously designing new products and the processes the produce them is known as ______

concurrent design

The degree to which a product meets preestablished standards is known as ______

conformance

A manager of a global supply chain is concerned with all of the following expect? a. timeliness b. quality c. social issues d. all the above are concerns

d. all of the above are concerns

All of the following are dimensions of quality for manufactured products, except: a. conformance b. reliability c. durability d. feasibility

d. feasibility