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Exam 15: B: Just-In-Time and Lean Production

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Question 21

Multiple Choice

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Maintenance activities are often organized into the two groups:

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.

F) A) and C)
G) A) and B)

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Question 22

Multiple Choice

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Ideally,preventive maintenance will be performed:

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.

F) B) and C)
G) A) and D)

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Question 23

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In the area of maintenance,there is a trade-off between the cost of preventive maintenance and breakdown (emergency)maintenance.

Reliability-centered maintenance is an approach based on;

The frequency of breakdown of a piece of equipment per month is shown in the table.The cost of a breakdown is $1,000 and the cost of preventive maintenance is $2,000 per month.Assume that the equipment breakdown can be avoided if preventive maintenance is performed.Should the manager use preventive maintenance,or would it be better to fix the equipment when it breaks down?

Which of the following is most closely associated with breakdown maintenance?

The average time before breakdown of a machine is normally distributed and has a mean of 7 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 frequency of breakdown of a piece of equipment per month is shown in the table.The cost of a breakdown is $1,000 and the cost of preventive maintenance is $2,000 per month.Assume that the equipment breakdown can be avoided if preventive maintenance is performed.Should the manager use preventive maintenance,or would it be better to fix the equipment when it breaks down?

The average time before breakdown of a machine is normally distributed and has a mean of 7 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?

In the broadest sense,preventive maintenance extends back to the installation stage of equipment and facilities.

Factors affecting the decision of how much preventive maintenance is desirable typically include all of the following EXCEPT:

The optimum amount of preventive maintenance is where: