As Far as Maintenance Costs Are Concerned

question 24

Multiple Choice

As far as maintenance costs are concerned:

• A) for low levels of maintenance commitment, breakdown maintenance costs exceed preventive maintenance costs.
• B) for low levels of maintenance commitment, preventive maintenance costs exceed breakdown maintenance costs.
• C) for high levels of maintenance commitment, breakdown maintenance costs exceed preventive maintenance costs.
• D) preventive maintenance is always more economical than breakdown maintenance.
• E) breakdown maintenance is always more economical than preventive maintenance when the "full cost of breakdowns" is taken into consideration.

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Definitions:

Neutrons

Electrically neutral subatomic particles found in the nucleus of an atom, contributing to the atomic mass but not the atomic charge.

Protons

Positively charged particles found in the nucleus of an atom, contributing to the atom's mass and defining its element by determining the atomic number.

Isotope

An isotope refers to one of two or more forms of an element with the same number of protons but a different number of neutrons in the nucleus, resulting in different atomic masses but similar chemical properties.

Element

A substance consisting of atoms which all have the same number of protons, fundamentally the simplest substances that cannot be broken down using chemical methods.