Associate Certified Entomologist (ACE) Practice Exam

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Prepare for the ACE Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

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What is true about the "P" category filters?

Cannot be used when oil is present
Have a limited resistance to oil
Are oil proof
Only suitable for non-hazardous environments

The correct answer is: Are oil proof

The "P" category filters, specifically designed for protecting against particulate contaminants, are characterized by their robust design and capability to maintain effectiveness under various conditions, particularly in the presence of oil. The distinction of being "oil proof" means that these filters can be used in environments where oil aerosols are present without compromising their efficiency. This quality is essential in many industrial and environmental settings where pollutants may include fine particles in conjunction with oil-based contaminants. Therefore, the efficiency and reliability of "P" filters highlight their suitability for performance in diverse working conditions, making them an appropriate choice for professionals seeking adequate protection against airborne particulates. Understanding the properties of "P" filters ensures that users can select the appropriate protective equipment based on the specific hazards that exist within their work environment.