Question 1

Which alternative will increase the probability of detecting a shift in the process average?

Accepted Answer

A) increasing the control limit spread 
B) taking smaller samples 
C) taking smaller samples more frequently 
D) taking larger samples more frequently 
A) increasing the control limit spread 
B) taking smaller samples 
C) taking smaller samples more frequently 
D) taking larger samples more frequently D

Question 2

Improving quality seems to be a strategic weapon in gaining market share.However,improving quality entails allocation of resources and effort.Which one of the following costs increases to improve quality?

Accepted Answer

A) prevention costs 
B) appraisal costs 
C) internal failure costs 
D) external failure costs 
A) prevention costs 
B) appraisal costs 
C) internal failure costs 
D) external failure costs A

Question 3

Which one of the following is a consequence of external failures?

Accepted Answer

A) longer lead times 
B) more rework 
C) more litigation costs 
D) lower product costs 
A) longer lead times 
B) more rework 
C) more litigation costs 
D) lower product costs C

Question 4

Consumers consider various aspects when defining quality in terms of high-performance design.Consideration of the lifespan of a product before it begins to deteriorate or no longer functions at an acceptable level refers to which one of these aspects?

Accepted Answer

A) support 
B) reliability 
C) durability 
D) basic performance 
A) support 
B) reliability 
C) durability 
D) basic performance

Question 5

Table 6.1
Factors for Calculating Three-Sigma Limits for the   -chart and R-chart
   Source: 1950 Manual on Quality Control of Materials,copyright
American Society for Testing Materials.Reprinted with permission.
-A milling operation has historically produced an average thickness of 0.005 inch with an average range of 0.0015 inch.Currently,the first three items from each batch of 20 are inspected.Use Table 6.1.What is the value of LCL   if the sample size is increased to 6?

Accepted Answer

A) less than or equal to 0.0030 
B) greater than 0.0030 but less than or equal to 0.0049 
C) greater than 0.0049 but less than or equal to 0.0069 
D) greater than 0.0069 
A) less than or equal to 0.0030 
B) greater than 0.0030 but less than or equal to 0.0049 
C) greater than 0.0049 but less than or equal to 0.0069 
D) greater than 0.0069

Question 6

Which one of the following statements about TQM is FALSE?

Accepted Answer

A) Quality is a responsibility to be shared by the entire organization,especially the workers who make a product or service. 
B) One of the main challenges in developing the proper culture for TQM is to define the term customer for each employee. 
C) In TQM,teamwork is important because a worker's internal customer will catch defects as they are passed along. 
D) In TQM,quality consistency has a higher priority than the level of output. 
A) Quality is a responsibility to be shared by the entire organization,especially the workers who make a product or service. 
B) One of the main challenges in developing the proper culture for TQM is to define the term customer for each employee. 
C) In TQM,teamwork is important because a worker's internal customer will catch defects as they are passed along. 
D) In TQM,quality consistency has a higher priority than the level of output.

Question 7

Which one of the following is NOT a characteristic of a process distribution?

Accepted Answer

A) mean 
B) spread 
C) shape 
D) size 
A) mean 
B) spread 
C) shape 
D) size

Question 8

Self-managed teams essentially change the way work is organized because employees have control over their jobs.

Accepted Answer

A) True 
 B)False

Question 9

________ costs are associated with preventing defects before they happen.

Accepted Answer

The answer of ________ costs are associated with preventing defects...

Question 10

________ is a means of translating customer requirements into the appropriate technical requirements for each stage of product or service development.

Accepted Answer

Quality fu

Question 11

Four samples of 100 each were taken from an assembly line,with the following results:   Using the historical average as the central line of the chart,which one of the following is the limits for an attributes control chart with z = 2?

Accepted Answer

A) UCL > 0.1 and LCL > 0.03 B) UCL > 0.1 and LCL 0.03 D) UCL < 0.1 and LCL < 0.03 A) UCL > 0.1 and LCL > 0.03 B) UCL > 0.1 and LCL 0.03 D) UCL < 0.1 and LCL < 0.03

Question 12

The foundation to Deming's philosophy to quality management is statistical process control (SPC).

Accepted Answer

A) True 
 B)False

Question 13

Quality function development (QFD)is a key to improving quality through TQM because

Accepted Answer

A) it is a method to optimally locate inspections stations in a manufacturing plant. 
B) it strategically positions the quality function in an organization chart. 
C) it advocates functional silos for greater efficiency. 
D) the core of the approach is a conceptual map for interfunctional planning and communications that links customer requirements and product/service designs. 
A) it is a method to optimally locate inspections stations in a manufacturing plant. 
B) it strategically positions the quality function in an organization chart. 
C) it advocates functional silos for greater efficiency. 
D) the core of the approach is a conceptual map for interfunctional planning and communications that links customer requirements and product/service designs.

Question 14

Process capability determines whether a process is capable of producing the product or services that customers demand.

Accepted Answer

A) True 
 B)False

Question 15

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.Suppose a sample had 0.07 defective.What would you do?

Accepted Answer

A) Nothing;it is just random variation. 
B) Look for assignable causes. 
C) Change z to 2 and take another sample. 
D) Change z to 4 and continue sampling. 
A) Nothing;it is just random variation. 
B) Look for assignable causes. 
C) Change z to 2 and take another sample. 
D) Change z to 4 and continue sampling.

Question 16

One of the principles that total quality management (TQM)stresses is customer satisfaction.

Accepted Answer

A) True 
 B)False

Question 17

People often evaluate the quality of a product or service on the basis of ________,such as atmosphere,image,or aesthetics.

Accepted Answer

psychologi

Question 18

A company is interested in monitoring the variability in the weight of the fertilizer bags it produces.An appropriate control chart would be

Accepted Answer

A)    -chart. 
B) p-chart. 
C) c-chart. 
D) R-chart. 
A)    -chart. 
B) p-chart. 
C) c-chart. 
D) R-chart.

Question 19

A manufacturer of silk inspects each bolt of material at the end of the manufacturing process.When the process is in control,it averages 11 defects per bolt.If a 2-sigma control limit is used,what is the upper control limit?

Accepted Answer

A) less than or equal to 15 
B) more than 15 but less than or equal to 17 
C) more than 17 but less than or equal to 19 
D) more than 19 
A) less than or equal to 15 
B) more than 15 but less than or equal to 17 
C) more than 17 but less than or equal to 19 
D) more than 19

Question 20

An operator of a filling machine plotted the weights of each bag she filled for three weeks.At the same time,a quality inspector randomly took groups of five bags of the same output and plotted the average weights of the samples.The inspector's sampling distribution will

Accepted Answer

A) have greater variability than the operator's distribution. 
B) have less variability than the operator's distribution. 
C) show if the output has been produced to the operator's specifications. 
D) have a mean five times greater than the operator's distribution. 
A) have greater variability than the operator's distribution. 
B) have less variability than the operator's distribution. 
C) show if the output has been produced to the operator's specifications. 
D) have a mean five times greater than the operator's distribution.

Exam 6: Quality and Process Improvement

Which alternative will increase the probability of detecting a shift in the process average?

Improving quality seems to be a strategic weapon in gaining market share.However,improving quality entails allocation of resources and effort.Which one of the following costs increases to improve quality?

Which one of the following is a consequence of external failures?

Consumers consider various aspects when defining quality in terms of high-performance design.Consideration of the lifespan of a product before it begins to deteriorate or no longer functions at an acceptable level refers to which one of these aspects?

Which one of the following statements about TQM is FALSE?

Which one of the following is NOT a characteristic of a process distribution?

Self-managed teams essentially change the way work is organized because employees have control over their jobs.

________ costs are associated with preventing defects before they happen.

________ is a means of translating customer requirements into the appropriate technical requirements for each stage of product or service development.

Four samples of 100 each were taken from an assembly line,with the following results: Using the historical average as the central line of the chart,which one of the following is the limits for an attributes control chart with z = 2?

The foundation to Deming's philosophy to quality management is statistical process control (SPC).

Quality function development (QFD)is a key to improving quality through TQM because

Process capability determines whether a process is capable of producing the product or services that customers demand.

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.Suppose a sample had 0.07 defective.What would you do?

One of the principles that total quality management (TQM)stresses is customer satisfaction.

People often evaluate the quality of a product or service on the basis of ________,such as atmosphere,image,or aesthetics.

A company is interested in monitoring the variability in the weight of the fertilizer bags it produces.An appropriate control chart would be

A manufacturer of silk inspects each bolt of material at the end of the manufacturing process.When the process is in control,it averages 11 defects per bolt.If a 2-sigma control limit is used,what is the upper control limit?

An operator of a filling machine plotted the weights of each bag she filled for three weeks.At the same time,a quality inspector randomly took groups of five bags of the same output and plotted the average weights of the samples.The inspector's sampling distribution will

Creating Customer Value Through Operations

Supply Chain Management

Process Configuration

Capacity

Inventory Management

Lean Systems

Managing Projects

Location and Layout

Managing Demand and Forecasting

Operations Planning and Scheduling

Resource Planning

Waiting Lines

Decision Making

Financial Analysis

Work Measurement

Learning Curve Analysis

Computer-Integrated Manufacturing

Acceptance Sampling Plans

Simulation

Special Inventory Models

Linear Programming

Filters