For a Machine to Be a Good Candidate for Preventive

question 64

Multiple Choice

For a machine to be a good candidate for preventive maintenance

• A) the consequences of failure must exceed the cost of preventive maintenance and the MTBF distribution must have a large standard deviation
• B) the consequences of failure must exceed the cost of preventive maintenance and the MTBF must be relatively low
• C) the consequences of failure must exceed the cost of preventive maintenance and the MTBF distribution must have a relatively low standard deviation
• D) the consequences of failure must exceed the cost of preventive maintenance and the MTBF must be relatively high
• E) the consequences of failure must be relatively unknown and, therefore, risky

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Definitions:

COPD

Chronic Obstructive Pulmonary Disease, a group of lung conditions that cause breathing difficulties.

ERV

Expired Reserve Volume; the additional amount of air that can be forcibly exhaled after the completion of a normal, quiet expiration.

AFB

Acid-fast bacillus, a type of bacteria that is resistant to decolorization by acids during staining procedures; commonly used to refer to tuberculosis-causing bacteria.

MDR TB

Multi-Drug Resistant Tuberculosis, a form of TB that is resistant to at least isoniazid and rifampicin, the two most powerful tuberculosis drugs.