ASP Fire Prevention and Protection 5

Question 1

Which of the following best describes a 'deflagration' as it relates to fire and explosion hazards?

Accepted Answer

Combustion that propagates at subsonic speeds through a fuel-air mixture

Answer

Deflagration is a subsonic combustion reaction, distinguishing it from detonation which is supersonic.

Question 2

What is the function of a fire damper in a building's HVAC system?

Accepted Answer

To close automatically and prevent fire spread through ductwork

Answer

Fire dampers close automatically upon detection of heat or smoke, preventing fire from traveling through HVAC ducts into other building areas.

Question 3

A safety professional reviews a facility's hot work permit program. Which of the following is the MOST critical element to verify before issuing a hot work permit?

Accepted Answer

Removal or protection of combustible materials within the work area

Answer

The primary control in hot work permits is ensuring all combustibles are removed or protected from sparks, slag, and heat before work begins.

Question 4

According to NFPA 72, what is the required spacing for heat detectors in a standard room with a smooth, flat ceiling?

Accepted Answer

50 feet maximum

Answer

NFPA 72 allows heat detectors to be spaced up to 50 feet apart on smooth, flat ceilings under standard conditions.

Question 5

In the context of fire risk assessment, what does 'fuel load' refer to?

Accepted Answer

The total amount of combustible material in a given area

Answer

Fuel load is the total quantity of combustible material in an area, typically expressed in BTUs or pounds per square foot, and directly affects fire intensity and duration.

(ASP) Associate Safety Professional Practice Test

(ASP) Associate Safety Professional Practice Test

ASP Fire Prevention and Protection 5