The MTBF Distribution of a Machine That Has Passed the Phase

question 31

Multiple Choice

The MTBF distribution of a machine that has passed the phase of early failures exhibits a normal distribution. The smaller the standard deviation of this distribution

• A) the more expensive is preventive maintenance
• B) the more likely this machine is a candidate for preventive maintenance
• C) the shorter is the time interval between breakdowns
• D) the more likely this machine will break down
• E) the more likely this machine will be maintained by a breakdown maintenance policy

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Definitions:

Trade Union

An organization formed by workers from related fields that aims to protect their rights and interests through collective bargaining.

Post-employment Benefit Plan

A financial arrangement designed to provide benefits to employees after their employment has ended, such as pensions.

Subsidiary

A company that is controlled by another company, usually by owning more than 50% of its voting stock.