CFPS - Certified Fire Protection Specialist Fire Hazard Management Questions and Answers 1 — Questions and Answers
Question 1: A fire protection specialist is evaluating a chemical storage room and observes an NFPA 704 placard. What does the number 4 in the red diamond signify?
- The material is stable and not reactive with water.
- The material can cause serious or permanent injury on short exposure.
- The material will not burn under typical fire conditions.
- The material will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. (Correct answer)
Correct answer: The material will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily.
The red diamond on the NFPA 704 placard indicates the flammability hazard. A rating of 4 signifies the highest level of flammability, indicating that the material is extremely flammable and can easily ignite under normal conditions.
Question 2: A manufacturing facility is implementing a hot work program in accordance with NFPA 51B. A designated fire watch is required for a welding operation in a non-designated area. For how long must the fire watch be maintained after the completion of the hot work?
- For at least 15 minutes.
- For at least 30 minutes.
- For at least 60 minutes. (Correct answer)
- Until the area has returned to ambient temperature.
Correct answer: For at least 60 minutes.
According to the 2019 edition of NFPA 51B, Standard for Fire Prevention During Welding, Cutting, and Other Hot Work, a fire watch must be maintained for at least 60 minutes after the completion of hot work to detect and extinguish any smoldering fires.
Question 3: Which of the following is NOT a required element for a combustible dust explosion, as defined by the Dust Explosion Pentagon?
- A flammable gas (Correct answer)
- Confinement
- Dispersion of dust particles
- An ignition source
Correct answer: A flammable gas
The Dust Explosion Pentagon consists of five elements required for a combustible dust explosion: fuel (combustible dust), oxygen, an ignition source, dispersion of dust particles, and confinement. A flammable gas is not a required component, although it can be an ignition source.
Question 4: A fire risk assessment is being conducted for an office building. Which of the following is the most appropriate first step in this process?
- Evaluating the effectiveness of the existing fire alarm system.
- Identifying all potential fire hazards within the premises. (Correct answer)
- Determining the individuals who would be most at risk during a fire.
- Developing an emergency evacuation plan for all occupants.
Correct answer: Identifying all potential fire hazards within the premises.
The first step in a standard fire risk assessment process is to identify all potential fire hazards. This includes identifying sources of ignition, sources of fuel, and sources of oxygen. Subsequent steps involve identifying people at risk, evaluating existing measures, and developing a plan.
Question 5: According to NFPA 30, Flammable and Combustible Liquids Code, how is a Class I flammable liquid distinguished from a Class II combustible liquid?
- By its autoignition temperature.
- By its specific gravity.
- By its flash point. (Correct answer)
- By its boiling point.
Correct answer: By its flash point.
NFPA 30 classifies liquids based on their closed-cup flash points. Class I liquids (flammable) have flash points below 100°F (37.8°C), while Class II liquids (combustible) have flash points at or above 100°F (37.8°C) and below 140°F (60°C). This makes flash point the key distinguishing characteristic.
Question 6: A manager of a chemical plant is seeking to reduce fire hazards associated with the storage of flammable liquids. Which of the following actions represents the MOST effective engineering control?
- Providing employees with fire-retardant personal protective equipment (PPE).
- Implementing a strict 'No Smoking' policy throughout the facility.
- Installing an automatic fire suppression system in the storage area. (Correct answer)
- Conducting monthly fire drills for all plant personnel.
Correct answer: Installing an automatic fire suppression system in the storage area.
Installing an automatic fire suppression system is an engineering control that is designed to control a fire without human intervention, which is considered more reliable and effective than administrative controls (policies, training) or PPE. While all options are important components of a fire safety program, the suppression system directly mitigates the consequence of a fire once it has started.
CFPS - Certified Fire Protection Specialist Fire Hazard Management Questions and Answers 1
A fire protection specialist is evaluating a chemical storage room and observes an NFPA 704 placard.
What does the number 4 in the red diamond signify?