A full face piece, air supplied respirator in pressure demand mode has a "Protection Factor" of what value?

The correct choice indicates that a full face piece, air supplied respirator in pressure demand mode has a protection factor of 1000+. This means that when using such a respirator, it is designed to provide a level of respiratory protection that filters out contaminants to a degree that is at least 1000 times more effective than without the respirator.

This high protection factor is due to the way pressure demand mode functions; it maintains a positive pressure inside the mask to prevent airborne contaminants from entering, especially during inhalation. This is particularly crucial in environments with high levels of asbestos or other hazardous materials where exposure can lead to serious health issues.

While other options suggest higher protection factors, the established value for a full face piece, air supplied respirator in pressure demand mode is recognized as 1000+, aligning with safety standards and guidelines set forth for respiratory protection in occupational settings. Higher values such as 1500+ or 2000+ would typically apply to different types of equipment or situations where additional protective measures are in place, not the standard for this specific equipment.