Everything You Need to Pass: nfpa CFPS

How much depth of particle-sized dusts of organic materials such as wood or food products can, under the right set of conditions, result in a flash fire or explosion?

The performance of fire alarm audible notification in a wide open space can be analyzed using a condition called free-field condition, where the sound pressure level (SPL) decreases roughly by a specific decibel value every time the distance from the source is doubled. Which of the following choices is the specific decibel value attributed to the free-field condition?

When vaporization of a solid occurs with chemical decomposition, it is known as:

Electrical equipment used in Class I, Division I hazardous locations is often referred to as:

The entrainment of air from the surrounding atmosphere in a rising fire plume has the effect of:

It was determined that a total-flooding carbon dioxide suppression system installed in a process room requires an overpressurization vent. The system will flow 156 pounds of carbon dioxide per minute, and the enclosure strength has been calculated to be 9 lb/ft2 (71 kg). What is the minimum vent size recommended for this application?