Which Air Filter Element Will Provide the Highest Filtration Efficiency

question 36

Multiple Choice

Which air filter element will provide the highest filtration efficiency (i.e., which removes the most dirt) ?

• A)An oil-wetted cotton gauze-style air filter.
• B)A dry-type but dirty paper-type filter.
• C)An oil bath-type air filter.
• D)A new, dry paper-type filter.

---

Definitions:

Economic Needs

Essential requirements for an individual or society to maintain a minimum standard of living, including food, shelter, clothing, and healthcare.

Political Needs

The requirements necessary for the governance and wellbeing of a society, including stability, participation, and the enforcement of legal norms.

Religious Needs

Requirements or desires that arise from an individual's faith or spiritual beliefs, impacting their way of living and interacting with the world.

Face-To-Face Interaction

Direct social interaction between individuals in close physical proximity.