CFPS Practice Questions
Prepare for CFPS with more than an answer.
- Exam fee
- $499 USD
- Level
- Professional
- Valid for
- 3 years
Domains covered on the exam 8
- Safety in the Built Environment12.5%
- Basics of Fire and Fire Science12.5%
- Information and Analysis for Fire Protection12.5%
- Human Behavior in Fire Emergencies12.5%
- Fire Prevention: Programs, Materials, Processes, and Environments12.5%
- Facility Fire Hazard Management12.5%
- System Approaches to Property Classes12.5%
- Fire Protection Systems12.5%
- 1
During a hot work operation on a rooftop, sparks ignite roofing material outside the designated hot work area. This is a failure of which key component of the hot work permit system?
Show answer details
Correct answer: C
A critical component of the hot work safety program (NFPA 51B) is the Fire Watch. The Fire Watch is responsible for monitoring the hot work area and surrounding areas for stray sparks and potential ignitions. Their duty is to spot and extinguish incipient fires immediately. A fire starting outside the immediate work zone indicates that the Fire Watch was either not present, not vigilant, or unable to control the spread of sparks, representing a failure in this essential safety role.
- 2
A facility manager is concerned about nuisance alarms from smoke detectors located in a dusty manufacturing area. To mitigate this without compromising safety, which type of detector or system feature would be the most appropriate alternative or supplement? (Select TWO)
Show answer details
Correct answer: A, C
- 3
The phenomenon where a fire in a compartment exhausts the available oxygen, causing combustion to slow to a smoldering state, and then erupts violently upon the introduction of a new air supply (e.g., opening a door) is known as:
Show answer details
Correct answer: C
Backdraft is a ventilation-induced fire behavior phenomenon. It occurs when a fire is in a severely under-ventilated (oxygen-deficient) state, but there is still sufficient heat and accumulated unburned fuel gases. The sudden introduction of air provides the missing element of the fire tetrahedron (oxygen), resulting in an explosive ignition of the superheated gases. It is characterized by a violent, outward rush of flame and smoke from the opening.
- 4
You are tasked with determining the required exit capacity for a 2,500 sq. ft. university classroom. According to NFPA 101, Life Safety Code, what is the occupant load factor for this space?
Show answer details
Correct answer: B
NFPA 101, Chapter 7, provides occupant load factors for various occupancies. For a classroom in an educational or assembly occupancy, the factor for less concentrated use without fixed seating is 20 square feet net per person. Therefore, the occupant load would be calculated as 2,500 sq. ft. / 20 sq. ft./person = 125 persons. This number is then used to calculate the required number and width of exits.
- 5
A life safety inspector is evaluating the egress path from a tenant suite in a multi-story business occupancy. The occupant must travel through a common corridor to reach one of two remote exit stairways. Based on the diagram below, which condition represents the most significant violation of NFPA 101 principles for means of egress?
flowchart TD A[Tenant Suite Door] --> B{Corridor Intersection} B --> C[Corridor Segment 1 - 100 ft] C --> D[Dead-End Corridor - 60 ft] D --> E[Storage Room - No Exit] B --> F[Corridor Segment 2 - 200 ft] F --> G((Exit Stairway 1)) F --> H[Corridor Segment 3 - 150 ft] H --> I((Exit Stairway 2))Show answer details
Correct answer: C
NFPA 101 typically limits dead-end corridors to 20 feet, or up to 50 feet in a building equipped with an automatic sprinkler system. The diagram shows a 60-foot dead-end corridor, which is a significant violation because it forces occupants to travel towards a potential hazard with no alternative escape route. This condition creates a high risk of occupants becoming trapped.
- 6
A fire protection consultant is reviewing plans for a new automated storage and retrieval system (AS/RS) in a warehouse. The system stores plastic commodities in solid-piled arrays reaching 50 feet high. The proposed protection scheme involves in-rack sprinklers. According to NFPA 13, what is a critical design requirement for the water shields on in-rack sprinklers in this specific application?
Show answer details
Correct answer: C
NFPA 13 mandates the use of water shields (or listed shielded sprinklers) for in-rack sprinklers to prevent sprinkler skipping. This phenomenon occurs when water from sprinklers operating at a higher elevation cools the thermal element of sprinklers at lower levels, preventing them from activating when needed. In a high-challenge fire scenario like high-piled plastic commodities in an AS/RS, the timely activation of all necessary sprinklers is critical for control and suppression.
- 7
A fire investigator is examining a commercial kitchen fire. The point of origin is determined to be a deep-fat fryer. The pre-engineered wet chemical fire suppression system activated, but the fire re-flashed after initial extinguishment. Which of the following factors are the MOST likely causes for the re-flash? (Select TWO)
Show answer details
Correct answer: B, C
- 8
True or False: According to NFPA 101, Life Safety Code, a 'defend-in-place' strategy is primarily associated with healthcare occupancies and is dependent on the building being divided into smoke compartments.
Show answer details
Correct answer: A
This statement is true. The 'defend-in-place' strategy is a cornerstone of life safety in healthcare facilities where many occupants are non-ambulatory and cannot be easily evacuated. NFPA 101 requires such facilities to be subdivided into smoke compartments by smoke barriers, allowing occupants to be moved horizontally to an adjacent safe area on the same floor while awaiting further assistance or extinguishment of the fire.
- 9
Company Background:
A specialty chemical manufacturer, ChemPro Inc., operates a large processing facility built in the 1980s. The facility handles significant quantities of Class IB flammable liquids. A key process area is a 5,000 sq. ft. room with a 30 ft. high ceiling, containing several large mixing vessels.Current Situation:
Following a near-miss incident, a corporate safety audit has mandated a comprehensive fire protection upgrade for this process room. The current protection consists only of an ordinary hazard Group 2 wet pipe sprinkler system and portable fire extinguishers. The audit identified that the existing sprinkler system is inadequate for the potential severity of a three-dimensional flammable liquid fire and that a fire could quickly overwhelm the system, leading to catastrophic failure.Requirements & Constraints:
The company requires a robust, fast-acting suppression system that can control a significant flammable liquid spill fire. The solution must minimize damage to the expensive mixing vessels and control systems. Due to the nature of the chemicals, water-based solutions that could cause violent reactions or spread contamination are a concern. The upgrade must be integrated with the facility's existing fire alarm control panel and include detection capable of responding to a rapidly developing fire before sprinklers would typically activate. The budget for the upgrade is substantial but not unlimited.Question:
As the fire protection specialist for this project, which of the following integrated system designs provides the most effective and appropriate solution for the ChemPro Inc. process room, considering all requirements and constraints?Show answer details
Correct answer: C
This is the most comprehensive solution. A foam-water deluge system (per NFPA 16) is specifically designed for high-hazard flammable liquid risks. Using AFFF (Aqueous Film-Forming Foam) provides rapid knockdown and vapor suppression. A deluge system ensures fast application over the entire area. Cross-zoned optical (UV/IR) flame detectors provide the necessary rapid and reliable detection to trigger the system before the fire grows excessively, while minimizing false activations. This approach upgrades the existing water-based infrastructure, is highly effective on Class B fires, and meets the need for fast, robust protection.
- 10
During the combustion of polyurethane foam, a common material in modern furnishings, which two primary toxic gases are produced that pose a significant life safety hazard beyond that of carbon monoxide?
Show answer details
Correct answer: B
Polyurethane is a nitrogen-containing polymer. When it undergoes combustion, particularly in an under-ventilated fire, it releases significant quantities of hydrogen cyanide (HCN) and various nitrogen oxides (NOx). Hydrogen cyanide is a chemical asphyxiant that is extremely toxic and works synergistically with carbon monoxide to incapacitate victims rapidly. Nitrogen oxides are severe respiratory irritants. These compounds are major contributors to the toxicity of modern fire smoke.
