Question 1

Ideally, preventive maintenance will be performed:

Accepted Answer

A)  after a planned inspection. 
B)  after the passage of a specified period of time. 
C)  after a predetermined number of operating hours. 
D)  just prior to the start of the workday. 
E)  just prior to a breakdown or failure. 
A)  after a planned inspection. 
B)  after the passage of a specified period of time. 
C)  after a predetermined number of operating hours. 
D)  just prior to the start of the workday. 
E)  just prior to a breakdown or failure.

Question 2

Which of the following would not improve the performance of a breakdown program?

Accepted Answer

A)  more trained personnel 
B)  short lead times for replacement parts 
C)  standby equipment 
D)  cross-training repair personnel 
E)  reducing inventories of spare parts 
A)  more trained personnel 
B)  short lead times for replacement parts 
C)  standby equipment 
D)  cross-training repair personnel 
E)  reducing inventories of spare parts

Question 3

In the broadest sense, equipment and facilities preventive maintenance extends back to the:

Accepted Answer

A)  design and selection stage. 
B)  procurement stage. 
C)  installation stage. 
D)  pilot-testing stage. 
E)  implementation stage. 
A)  design and selection stage. 
B)  procurement stage. 
C)  installation stage. 
D)  pilot-testing stage. 
E)  implementation stage.

Question 4

The goal of maintenance is to maintain the productive system in good working order while minimizing:

Accepted Answer

A)  total preventive maintenance costs. 
B)  total breakdown maintenance costs. 
C)  total maintenance costs. 
D)  the difference between preventive and breakdown costs. 
E)  the ratio of breakdown to preventive maintenance costs. 
A)  total preventive maintenance costs. 
B)  total breakdown maintenance costs. 
C)  total maintenance costs. 
D)  the difference between preventive and breakdown costs. 
E)  the ratio of breakdown to preventive maintenance costs.

Question 5

"Total productive maintenance" is best described as:

Accepted Answer

A)  avoiding all breakdown maintenance. 
B)  doing a great deal of preventive maintenance to try to avoid breakdown maintenance. 
C)  a JIT approach that takes advantage of cross-training. 
D)  extending preventive maintenance back to design. 
E)  none of these. 
A)  avoiding all breakdown maintenance. 
B)  doing a great deal of preventive maintenance to try to avoid breakdown maintenance. 
C)  a JIT approach that takes advantage of cross-training. 
D)  extending preventive maintenance back to design. 
E)  none of these.

Question 6

Suppose that for a particular piece of machinery, the frequency distribution of monthly breakdowns is as follows: $$\begin{array} { c c } 
\text { Number of Breakdowns } & \text { Prob. } \
\hline 0 & 0.40 \
1 & 0.30 \
2 & 0.15 \
3 & 0.10 \
4 & 0.05
\end{array}$$ The cost of a breakdown is $2,000, and the cost of a preventive maintenance program is $2,000 per month. If the preventive maintenance program is adopted, the probability of a machine breakdown is negligible. How much better off per month would the firm be if it adopted preventive maintenance?

Accepted Answer

A)  $100 worse off 
B)  $200 worse off 
C)  $100 better off 
D)  $200 better off 
E)  $2,000 better off 
A)  $100 worse off 
B)  $200 worse off 
C)  $100 better off 
D)  $200 better off 
E)  $2,000 better off

Question 7

Preventive maintenance is generally scheduled on the basis of:

Accepted Answer

A)  planned inspections. 
B)  passage of time. 
C)  number of operating hours. 
D)  all of the choices. 
E)  none of the choices. 
A)  planned inspections. 
B)  passage of time. 
C)  number of operating hours. 
D)  all of the choices. 
E)  none of the choices.

Question 8

Attempting to determine when preventive maintenance activities should be performed is called:

Accepted Answer

A)  breakdown maintenance. 
B)  forecastive maintenance. 
C)  preventive maintenance. 
D)  predictive maintenance. 
E)  corrective maintenance. 
A)  breakdown maintenance. 
B)  forecastive maintenance. 
C)  preventive maintenance. 
D)  predictive maintenance. 
E)  corrective maintenance.

Question 9

The type of maintenance which is periodic in nature is:

Accepted Answer

A)  breakdown maintenance. 
B)  predictive maintenance. 
C)  preventive maintenance. 
D)  corrective maintenance. 
E)  all of the choices. 
A)  breakdown maintenance. 
B)  predictive maintenance. 
C)  preventive maintenance. 
D)  corrective maintenance. 
E)  all of the choices.

Question 10

The optimum amount of preventive maintenance occurs when:

Accepted Answer

A)  total breakdown costs are at a minimum. 
B)  total preventive maintenance costs are at a minimum. 
C)  each maintenance component cost is at a minimum. 
D)  total maintenance costs are at a maximum. 
E)  total maintenance costs are at a minimum. 
A)  total breakdown costs are at a minimum. 
B)  total preventive maintenance costs are at a minimum. 
C)  each maintenance component cost is at a minimum. 
D)  total maintenance costs are at a maximum. 
E)  total maintenance costs are at a minimum.

Question 11

The average time before breakdown of a machine is normally distributed and has a mean of 18 weeks and a standard deviation of three weeks. If breakdown cost averages $2,000 and preventive maintenance costs $1,400, what is the optimal preventive maintenance interval?

Accepted Answer

A)  16.4 weeks 
B)  14.6 weeks 
C)  16.9 weeks 
D)  19.6 weeks 
E)  21.3 weeks 
A)  16.4 weeks 
B)  14.6 weeks 
C)  16.9 weeks 
D)  19.6 weeks 
E)  21.3 weeks

Question 12

Breakdown programs often are prioritized such that some equipment gets a lot of attention and other equipment gets very little. This typically reflects the fact that breakdowns are consistent with:

Accepted Answer

A)  Pareto phenomena. 
B)  production interruptions. 
C)  supply disturbances. 
D)  cross-trained workers. 
E)  lean operations. 
A)  Pareto phenomena. 
B)  production interruptions. 
C)  supply disturbances. 
D)  cross-trained workers. 
E)  lean operations.

Question 13

The average time before breakdown of a machine is normally distributed and has a mean of seven weeks and a standard deviation of 1.5 weeks. If breakdown cost averages $2,500 and preventive maintenance costs $500, what is the optimal preventive maintenance interval?

Accepted Answer

An optimal maintenan

Question 14

The goal of maintenance is to minimize cost.

Accepted Answer

A) True 
 B)False

Question 15

Pareto analysis (using the 80/20 rule) is one method of determining when preventive maintenance activities should be performed.

Accepted Answer

A) True 
 B)False

Question 16

Breakdown maintenance is _____________; preventive maintenance is _________.

Accepted Answer

A)  reactive; proactive 
B)  proactive; reactive 
C)  expensive; inexpensive 
D)  inexpensive; expensive 
E)  easy; hard 
A)  reactive; proactive 
B)  proactive; reactive 
C)  expensive; inexpensive 
D)  inexpensive; expensive 
E)  easy; hard

Question 17

Ideally, preventive maintenance will be performed before a breakdown or failure.

Accepted Answer

A) True 
 B)False

Question 18

Maintenance activities are often organized into the following two groups:

Accepted Answer

A)  breakdown maintenance and preventive maintenance 
B)  breakdown maintenance and predictive maintenance 
C)  preventive maintenance and predictive maintenance 
D)  equipment maintenance and breakdown maintenance 
E)  equipment maintenance and buildings maintenance 
A)  breakdown maintenance and preventive maintenance 
B)  breakdown maintenance and predictive maintenance 
C)  preventive maintenance and predictive maintenance 
D)  equipment maintenance and breakdown maintenance 
E)  equipment maintenance and buildings maintenance

Exam 14: Extension: Maintenance

Ideally, preventive maintenance will be performed:

Which of the following would not improve the performance of a breakdown program?

In the broadest sense, equipment and facilities preventive maintenance extends back to the:

The goal of maintenance is to maintain the productive system in good working order while minimizing:

"Total productive maintenance" is best described as:

Preventive maintenance is generally scheduled on the basis of:

Attempting to determine when preventive maintenance activities should be performed is called:

The type of maintenance which is periodic in nature is:

The optimum amount of preventive maintenance occurs when:

The average time before breakdown of a machine is normally distributed and has a mean of 18 weeks and a standard deviation of three weeks. If breakdown cost averages $2,000 and preventive maintenance costs $1,400, what is the optimal preventive maintenance interval?

Breakdown programs often are prioritized such that some equipment gets a lot of attention and other equipment gets very little. This typically reflects the fact that breakdowns are consistent with:

The average time before breakdown of a machine is normally distributed and has a mean of seven weeks and a standard deviation of 1.5 weeks. If breakdown cost averages $2,500 and preventive maintenance costs $500, what is the optimal preventive maintenance interval?

The goal of maintenance is to minimize cost.

Pareto analysis (using the 80/20 rule) is one method of determining when preventive maintenance activities should be performed.

Breakdown maintenance is _____________; preventive maintenance is _________.

Ideally, preventive maintenance will be performed before a breakdown or failure.

Maintenance activities are often organized into the following two groups:

Introduction to Operations Management

Competitiveness, Strategy, and Productivity

Forecasting

Product and Service Design

Extension: Reliability

Strategic Capacity Planning for Products and Services

Extension: Decision Theory

Process Selection and Facility Layout

Work Design and Measurement

Extension: Learning Curves

Location Planning and Analysis

Extension: The Transportation Model

Management of Quality

Quality Control

Extension: Acceptance Sampling

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Jit and Lean Operations

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Filters

Breakdown maintenance is _____; preventive maintenance is _.