Question 1

________ attributes relate to the physical characteristics of a particular product or service.

Accepted Answer

A)  Structural 
B)  Sensory 
C)  Performance 
D)  Temporal 
E)  Ethical 
A)  Structural 
B)  Sensory 
C)  Performance 
D)  Temporal 
E)  Ethical

Question 2

A system is to be composed of 4 identical components in series. What is the lowest reliability component that can be used in order to have an overall system reliability of 0.85?

Accepted Answer

A)  0.93 
B)  0.94 
C)  0.95 
D)  0.96 
E)  0.97 
A)  0.93 
B)  0.94 
C)  0.95 
D)  0.96 
E)  0.97

Question 3

What is the useful life in hours for a product having a reliability of 0.999 and a failure rate of 0.015 failures per hour?

Accepted Answer

A)  400 
B)  420 
C)  440 
D)  460 
E)  480 
A)  400 
B)  420 
C)  440 
D)  460 
E)  480

Question 4

When testing failure rate, there is no distinction as to whether hours of testing are continuous or performed at separate times.

Accepted Answer

A) True 
 B)False

Question 5

A defect is an irregularity or problem with a larger unit.

Accepted Answer

A) True 
 B)False

Question 6

What is the reliability of a product with a failure rate of 0.001 per operating hour and a useful life of 1500 hours?

Accepted Answer

A)  0.14 
B)  0.22 
C)  0.50 
D)  0.78 
E)  0.86 
A)  0.14 
B)  0.22 
C)  0.50 
D)  0.78 
E)  0.86

Question 7

The horizontal axis on the bathtub function is ________.

Accepted Answer

A)  failure rate 
B)  time 
C)  useful life 
D)  design reliability 
E)  predicted life 
A)  failure rate 
B)  time 
C)  useful life 
D)  design reliability 
E)  predicted life

Question 8

Two components of reliability 0.95 are in parallel and this subsystem is connected in series to a component with a reliability of 0.95. The overall system reliability is ________.

Accepted Answer

A)  0.93 
B)  0.94 
C)  0.95 
D)  0.96 
E)  0.97 
A)  0.93 
B)  0.94 
C)  0.95 
D)  0.96 
E)  0.97

Question 9

________ attributes relate to whether or not a particular product or service performs as it is supposed to.

Accepted Answer

A)  Structural 
B)  Sensory 
C)  Performance 
D)  Temporal 
E)  Ethical 
A)  Structural 
B)  Sensory 
C)  Performance 
D)  Temporal 
E)  Ethical

Question 10

The u chart is a graph of the number of defects per unit.

Accepted Answer

A) True 
 B)False

Question 11

Components in a system are in parallel if the performance of the entire system depends on all its components functioning properly.

Accepted Answer

A) True 
 B)False

Question 12

In order to determine system availability, you will need both the mean time to failure and the mean time between failures.

Accepted Answer

A) True 
 B)False

Question 13

System unreliability is increased with ________.

Accepted Answer

A)  a redundant system 
B)  a parallel system 
C)  a backup system 
D)  high reliability components 
E)  low reliability components 
A)  a redundant system 
B)  a parallel system 
C)  a backup system 
D)  high reliability components 
E)  low reliability components

Question 14

A painting contractor wishes to compare the work done by several painters in several rooms of varying sizes. If the contractor is concerned about drips and missed spots, an np chart would be the logical choice.

Accepted Answer

A) True 
 B)False

Question 15

The lower control limit for a p chart cannot be lower than zero.

Accepted Answer

A) True 
 B)False

Question 16

Use the following table to answer the question(s) below.
  
-A parks and recreation worker counts the number of paint drips on each standard size park bench. The results from the last 10 benches are shown. If the Parks Department decides to make a c chart, what bench number is out of control?

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  7 
E)  none of the above 
A)  1 
B)  3 
C)  5 
D)  7 
E)  none of the above

Question 17

One item with a reliability of .95, followed by two items in parallel having a reliability of 0.90, have an overall system reliability of 0.94.

Accepted Answer

A) True 
 B)False

Question 18

________ attributes relate to time.

Accepted Answer

A)  Structural 
B)  Sensory 
C)  Performance 
D)  Temporal 
E)  Tactile 
A)  Structural 
B)  Sensory 
C)  Performance 
D)  Temporal 
E)  Tactile

Question 19

A local university is deciding between three different copy machines. The copy machines have a mean time between failure and mean time to repair as shown in the table.   What system(s) will provide the greatest availability?

Accepted Answer

A)  Copier A 
B)  Copier B 
C)  Copier C 
D)  Copier A and Copier B 
E)  Copier B and Copier C 
A)  Copier A 
B)  Copier B 
C)  Copier C 
D)  Copier A and Copier B 
E)  Copier B and Copier C

Question 20

A parks and recreation worker counts the number of paint drips on each standard size park bench. The results from the last 10 benches are shown. If the Parks Department decides to make a c chart, what should the lower and upper 3-sigma control limits be?

Accepted Answer

A)  (-9.2, 9.2) 
B)  (0.0, 20) 
C)  (0.1, 18.3) 
D)  (3.1, 13.1) 
E)  (3.1, 18.3) 
A)  (-9.2, 9.2) 
B)  (0.0, 20) 
C)  (0.1, 18.3) 
D)  (3.1, 13.1) 
E)  (3.1, 18.3)

________ attributes relate to the physical characteristics of a particular product or service.

A system is to be composed of 4 identical components in series. What is the lowest reliability component that can be used in order to have an overall system reliability of 0.85?

What is the useful life in hours for a product having a reliability of 0.999 and a failure rate of 0.015 failures per hour?

When testing failure rate, there is no distinction as to whether hours of testing are continuous or performed at separate times.

A defect is an irregularity or problem with a larger unit.

What is the reliability of a product with a failure rate of 0.001 per operating hour and a useful life of 1500 hours?

The horizontal axis on the bathtub function is ________.

Two components of reliability 0.95 are in parallel and this subsystem is connected in series to a component with a reliability of 0.95. The overall system reliability is ________.

________ attributes relate to whether or not a particular product or service performs as it is supposed to.

The u chart is a graph of the number of defects per unit.

Components in a system are in parallel if the performance of the entire system depends on all its components functioning properly.

In order to determine system availability, you will need both the mean time to failure and the mean time between failures.

System unreliability is increased with ________.

A painting contractor wishes to compare the work done by several painters in several rooms of varying sizes. If the contractor is concerned about drips and missed spots, an np chart would be the logical choice.

The lower control limit for a p chart cannot be lower than zero.

Use the following table to answer the question(s) below. -A parks and recreation worker counts the number of paint drips on each standard size park bench. The results from the last 10 benches are shown. If the Parks Department decides to make a c chart, what bench number is out of control?

One item with a reliability of .95, followed by two items in parallel having a reliability of 0.90, have an overall system reliability of 0.94.

________ attributes relate to time.

A local university is deciding between three different copy machines. The copy machines have a mean time between failure and mean time to repair as shown in the table. What system(s) will provide the greatest availability?

A parks and recreation worker counts the number of paint drips on each standard size park bench. The results from the last 10 benches are shown. If the Parks Department decides to make a c chart, what should the lower and upper 3-sigma control limits be?

Differing Perspectives on Quality

Quality Theory

Global Supply Chain Quality and International Quality Standards

Strategic Quality Planning

The Voice of the Customer

The Voice of the Market

Quality and Innovation in Product and Process Design

Designing Quality Services

Managing Supplier Quality in the Supply Chain

The Tools of Quality

Statistically Based Quality Improvement for Variables

Six Sigma Management and Lean Tools

Managing Quality Improvement Teams and Projects

Implementing and Validating the Quality System

Filters

Exam 12: Statistically Based Quality Improvement for Attributes

________ attributes relate to the physical characteristics of a particular product or service.

A system is to be composed of 4 identical components in series. What is the lowest reliability component that can be used in order to have an overall system reliability of 0.85?

What is the useful life in hours for a product having a reliability of 0.999 and a failure rate of 0.015 failures per hour?

When testing failure rate, there is no distinction as to whether hours of testing are continuous or performed at separate times.

A defect is an irregularity or problem with a larger unit.

What is the reliability of a product with a failure rate of 0.001 per operating hour and a useful life of 1500 hours?

The horizontal axis on the bathtub function is ________.

Two components of reliability 0.95 are in parallel and this subsystem is connected in series to a component with a reliability of 0.95. The overall system reliability is ________.

________ attributes relate to whether or not a particular product or service performs as it is supposed to.

The u chart is a graph of the number of defects per unit.

Components in a system are in parallel if the performance of the entire system depends on all its components functioning properly.

In order to determine system availability, you will need both the mean time to failure and the mean time between failures.

System unreliability is increased with ________.

A painting contractor wishes to compare the work done by several painters in several rooms of varying sizes. If the contractor is concerned about drips and missed spots, an np chart would be the logical choice.

The lower control limit for a p chart cannot be lower than zero.

Use the following table to answer the question(s) below. -A parks and recreation worker counts the number of paint drips on each standard size park bench. The results from the last 10 benches are shown. If the Parks Department decides to make a c chart, what bench number is out of control?

One item with a reliability of .95, followed by two items in parallel having a reliability of 0.90, have an overall system reliability of 0.94.

________ attributes relate to time.

A local university is deciding between three different copy machines. The copy machines have a mean time between failure and mean time to repair as shown in the table. What system(s) will provide the greatest availability?

A parks and recreation worker counts the number of paint drips on each standard size park bench. The results from the last 10 benches are shown. If the Parks Department decides to make a c chart, what should the lower and upper 3-sigma control limits be?

Differing Perspectives on Quality

Quality Theory

Global Supply Chain Quality and International Quality Standards

Strategic Quality Planning

The Voice of the Customer

The Voice of the Market

Quality and Innovation in Product and Process Design

Designing Quality Services

Managing Supplier Quality in the Supply Chain

The Tools of Quality

Statistically Based Quality Improvement for Variables

Six Sigma Management and Lean Tools

Managing Quality Improvement Teams and Projects

Implementing and Validating the Quality System

Filters