Question 1

Match the failure with its closest category: A person causing failure by overloading a washing machine.

Accepted Answer

A)  Supplier failure 
B)  Design failure 
C)  Staff failure 
D)  Customer failure 
E)  Facilities failure 
A)  Supplier failure 
B)  Design failure 
C)  Staff failure 
D)  Customer failure 
E)  Facilities failure

Question 2

The stage where early failures occur caused by defective parts or improper use is called:

Accepted Answer

A)  The 'infant mortality' stage 
B)  The 'initial failure' stage 
C)  The 'wear out' stage 
D)  The 'crash and burn' stage 
A)  The 'infant mortality' stage 
B)  The 'initial failure' stage 
C)  The 'wear out' stage 
D)  The 'crash and burn' stage

Question 3

The ability of a system, product or service to perform as expected over time is a measure of:

Accepted Answer

A)  Assurance 
B)  Availability 
C)  Validity 
D)  Reliability 
A)  Assurance 
B)  Availability 
C)  Validity 
D)  Reliability

Question 4

In some service organisations it is believed that for every one customer who has complained there are:

Accepted Answer

A)  2 who have not 
B)  20 who have not 
C)  200 who have not 
D)  2000 who have not 
A)  2 who have not 
B)  20 who have not 
C)  200 who have not 
D)  2000 who have not

Question 5

Acts that are clearly contrary to defined operating procedures are called:

Accepted Answer

A)  Violations 
B)  Mistakes 
C)  Errors 
D)  Human deficiencies 
A)  Violations 
B)  Mistakes 
C)  Errors 
D)  Human deficiencies

Question 6

Having backup systems or components in case of failure is a called:

Accepted Answer

A)  Designing out fail points 
B)  Building in redundancy 
C)  Fail-safing 
D)  Poka-yoke 
A)  Designing out fail points 
B)  Building in redundancy 
C)  Fail-safing 
D)  Poka-yoke

Question 7

At the end of a service, staff may formally or informally check that the service has been satisfactory and try to solicit problems as well as compliments. This is an example of:

Accepted Answer

A)  Feedback sheets 
B)  Focus groups 
C)  Questionnaires 
D)  Point of departure interviews 
A)  Feedback sheets 
B)  Focus groups 
C)  Questionnaires 
D)  Point of departure interviews

Question 8

If a customer overloads their washing machine and it fails, what type of failure has occurred?

Accepted Answer

A)  Design failure 
B)  A violation 
C)  Customer failure 
D)  People failure 
A)  Design failure 
B)  A violation 
C)  Customer failure 
D)  People failure

Question 9

Match the failure with its closest category: A machine operative failing to clean and oil the machine in the prescribed manner.

Accepted Answer

A)  Design failure 
B)  Staff failure 
C)  Supplier failure 
D)  Customer failure 
E)  Facilities failure 
A)  Design failure 
B)  Staff failure 
C)  Supplier failure 
D)  Customer failure 
E)  Facilities failure

Question 10

The case of a theatre having very long queues for the toilets during intervals relates to:

Accepted Answer

A)  People failures 
B)  Facilities failures 
C)  Design failures 
D)  Supplier failures 
A)  People failures 
B)  Facilities failures 
C)  Design failures 
D)  Supplier failures

Question 11

The more interdependent components a system has the lower its reliability will be.

Accepted Answer

A) True 
 B)False

Question 12

There are a number of forms of failure analysis. Large scale disasters tend to lead to:

Accepted Answer

A)  Complaint analysis 
B)  Product liability 
C)  Fault tree analysis 
D)  Accident investigation 
E)  Failure mode and effect analysis
F) Critical incident analysis 
A)  Complaint analysis 
B)  Product liability 
C)  Fault tree analysis 
D)  Accident investigation 
E)  Failure mode and effect analysis
F) Critical incident analysis

Question 13

Why are aircraft crashes so rare?

Accepted Answer

A)  Because pilots are so well trained. 
B)  Because a whole chain of minor failures usually have to occur. 
C)  Because the planes have such high quality standards. 
D)  All of the above. 
A)  Because pilots are so well trained. 
B)  Because a whole chain of minor failures usually have to occur. 
C)  Because the planes have such high quality standards. 
D)  All of the above.

Question 14

The curve that describes the failure probability of most physical parts of an operation is called:

Accepted Answer

A)  The 'bathtub' curve 
B)  The 'quality function' curve 
C)  The 'S' curve 
D)  The 'J' curve 
A)  The 'bathtub' curve 
B)  The 'quality function' curve 
C)  The 'S' curve 
D)  The 'J' curve

Question 15

The misuse of the products and services that the operation has created is an example of:

Accepted Answer

A)  People failure 
B)  Design failure 
C)  Supplier failure 
D)  Customer failure 
A)  People failure 
B)  Design failure 
C)  Supplier failure 
D)  Customer failure

Question 16

The mean time between failures (MTBF) is calculated as operating hours divided by:

Accepted Answer

A)  Mean time to repair (MTTR) 
B)  Average failure rate 
C)  Availability of machines 
D)  Number of failures 
A)  Mean time to repair (MTTR) 
B)  Average failure rate 
C)  Availability of machines 
D)  Number of failures

Question 17

Which of the following is NOT one of the 'three tasks of failure prevention and recovery'?

Accepted Answer

A)  Coping when things go wrong 
B)  Dealing with staff dissatisfaction 
C)  Finding out what is going wrong and why 
D)  Preventing things from going wrong 
A)  Coping when things go wrong 
B)  Dealing with staff dissatisfaction 
C)  Finding out what is going wrong and why 
D)  Preventing things from going wrong

Question 18

Failure is caused by the deterioration of parts during the:

Accepted Answer

A)  Normal life stage 
B)  Early-life stage 
C)  Wear out stage 
A)  Normal life stage 
B)  Early-life stage 
C)  Wear out stage

Question 19

The dominant maintenance mode when the consequences of equipment failure are high is:

Accepted Answer

A)  Product-focused maintenance 
B)  Condition-based maintenance 
C)  Needs maintenance 
D)  Preventive maintenance 
A)  Product-focused maintenance 
B)  Condition-based maintenance 
C)  Needs maintenance 
D)  Preventive maintenance

Question 20

The chances of a failure occurring relates to what when measuring failure?

Accepted Answer

A)  Reliability 
B)  Quality 
C)  Failure rate 
D)  Availability 
A)  Reliability 
B)  Quality 
C)  Failure rate 
D)  Availability

Exam 19: Answers to Selected Problems

Match the failure with its closest category: A person causing failure by overloading a washing machine.

The stage where early failures occur caused by defective parts or improper use is called:

The ability of a system, product or service to perform as expected over time is a measure of:

In some service organisations it is believed that for every one customer who has complained there are:

Acts that are clearly contrary to defined operating procedures are called:

Having backup systems or components in case of failure is a called:

At the end of a service, staff may formally or informally check that the service has been satisfactory and try to solicit problems as well as compliments. This is an example of:

If a customer overloads their washing machine and it fails, what type of failure has occurred?

Match the failure with its closest category: A machine operative failing to clean and oil the machine in the prescribed manner.

The case of a theatre having very long queues for the toilets during intervals relates to:

The more interdependent components a system has the lower its reliability will be.

There are a number of forms of failure analysis. Large scale disasters tend to lead to:

Why are aircraft crashes so rare?

The curve that describes the failure probability of most physical parts of an operation is called:

The misuse of the products and services that the operation has created is an example of:

The mean time between failures (MTBF) is calculated as operating hours divided by:

Which of the following is NOT one of the 'three tasks of failure prevention and recovery'?

Failure is caused by the deterioration of parts during the:

The dominant maintenance mode when the consequences of equipment failure are high is:

The chances of a failure occurring relates to what when measuring failure?

Introduction to Operations Management

Competitiveness, Strategic Planning, and Productivity

Demand Forecasting

Product Design

Strategic Capacity Planning

Process Design and Facility Layout

Workjob Design

Location Planning and Analysis

Management of Quality

Statistical Quality Control

Supply Chain Management

Inventory Management

Aggregate Operations Planning and Master Scheduling

Material Requirements Planning and Enterprise Resource Planning

Just-In-Time and Lean Production

Job and Staff Scheduling

Project Management

Waiting-Line Analysis

Tables

Working With the Normal Distribution

Filters