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Updated CFPS Dumps Questions For NFPA Exam
NFPA CFPS Exam Syllabus Topics:
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NEW QUESTION # 129
The five electric sources for emergency power supplies that NFPA 70 recognize are storage batteries, generator set, uninterruptable power supplies, a separate service, and
- A. unit equipment
- B. electrical transformer
- C. motor starters
- D. transfer equipment
Answer: A
NEW QUESTION # 130
When evaluating dipping and coating processes, flammable liquid vapors are usually.
- A. denser than air, therefore, flow to low points.
- B. lighter than air, therefore, flow to high points.
- C. denser than air, therefore, flow to high points.
- D. lighter than air, therefore, flow to low points.
Answer: B
Explanation:
http://hamyarenergy.com/static/fckimages/files/NFPA/Hamyar%20Energy%20NFPA%2034%20-%202007.pdf
NEW QUESTION # 131
Shopping malls, schools, and stadiums are examples of ________ targets.
- A. civilian
- B. ecoterrorism
- C. infrastructure
- D. symbolic
Answer: A
NEW QUESTION # 132
The minimum cover requirements for the direct burial of cable or conductors under oneand two-family dwelling driveways is:
- A. 12 in. (300 mm)
- B. 24 in. (600 mm)
- C. 18 in. (450 mm)
- D. 6 in. (150 mm)
Answer: B
NEW QUESTION # 133
The two major principles used to determine egress width are the
- A. stair width and floor method.
- B. density and group method.
- C. inverse and the evacuation method.
- D. flow and the capacity method.
Answer: D
NEW QUESTION # 134
Which of the following is the correct UL classification of roof covering that include criteria for resistance to ignition?
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: A
NEW QUESTION # 135
Nylon is considered to be what type of polymer?
- A. Plasticizer
- B. Thermoplastic
- C. Thermoset
- D. Elastomer
Answer: B
NEW QUESTION # 136
Combustible waste materials stored outdoors to await subsequent disposal as rubbish should be placed at least how many feet from public roadways?
- A. 150 ft (45.72 m)
- B. 100 ft (30.48 m)
- C. 50 ft (15 m)
- D. 75 ft (22.86 m)
Answer: C
Explanation:
Storing Materials in an Open Yard
Storing materials in an open yard requires attention to combustible materials, access, powerlines, and fire protection.
Combustible Materials.
Stack combustible materials securely. Stacks or piles must be no more than 16 feet high. Store combustible material at least 10 feet away from a building or structure.
Access.
Driveways between and around combustible storage piles must be at least 15 feet wide. Keep them free from accumulations of material or rubbish. Use a map grid system of 50 by 150 feet when planning driveways in open-yard combustible material storage areas.
Powerlines.
Do not store materials under power lines or where materials may block egress or emergency equipment.
Fire Protection.
Provide portable fire extinguishing equipment rated 2-A:40-B:C at accessible marked locations in the yard so that the nearest extinguisher is no more than 50 feet away for a Class B hazard or 75 feet away for a Class A hazard.
NEW QUESTION # 137
Liquid carbon dioxide can exist at elevated pressure above 5.2 atmospheres when the temperature is a minimum of:
- A. -79 X F (-62 X C)
- B. -83 X F (-64 X C)
- C. -71 X F (-57 X C)
- D. -110 X F (-79 X C)
Answer: A
Explanation:
Carbon dioxide:
Most commonly used inert gas!
* Table 13-3: Minimum Required Volume Ratios of Carbon Dioxide or Nitrogen to Air That Will Prevent Burning of Various Vapors at 25 XC
* Substantially more effective than nitrogen, on a volume basis; nearly equal effectiveness on a mass basis
* Toxic at fire suppression levels
* Storage: CO2 can exist only as a gas or solid at normal atmospheric pressure.
* Solid form (dry ice) only exists below V110 XF ( V79 XC), at which temperature it undergoes sublimation directly to the vapor, without melting.
* CO2 liquid can exist at elevated pressures, as long as the temperature is above V70 XF ( V57 XC) and pressure is greater than 520 kPa (5.2 atm).
* Triple point: The unique temperature and pressure at which all three phases (gas, liquid, and solid) of a pure substance can coexist.
* Critical temperature: The temperature of a pure substance above which distinct liquid and vapor phases cannot coexist, regardless of the pressure (31 XC for liquid CO2)
* CO2 is more commonly used for fire extinguishment because comparably sized vessels can hold 3 times as much CO2 as nitrogen! This is critical in limited space considerations!
* CO2 is used in hand-held extinguishers.
* High vapor pressure is used to expel liquid CO2.
* Cooling effect of CO2 on a hot surface is only 1/16th that of water discharged at an equal rate.
NEW QUESTION # 138
The maximum discharge time permitted for halocarbon clean agent systems is
- A. 60 seconds.
- B. 10 seconds.
- C. 45 seconds.
- D. 30 seconds.
Answer: B
Explanation:
Explanation
The maximum discharge time permitted for halocarbon clean agent systems is10 seconds. This is the requirement of NFPA 2001, which is the standard for clean agent fire extinguishing systems.NFPA 2001 states that the discharge time for halocarbon agents shall not exceed 10 seconds, unless otherwise permitted by the authority having jurisdiction1. Halocarbon agents are synthetic compounds that contain carbon, fluorine, and sometimes other elements, such as hydrogen, chlorine, or bromine.Examples of halocarbon agents include HFC-227ea, HFC-125, and FK-5-1-122. Halocarbon agents work by absorbing heat and interrupting the chemical chain reaction of the fire.They are electrically nonconductive and leave no residue upon evaporation3.Halocarbon agents are suitable for protecting Class A, B, and C fires involving electrical equipment, flammable liquids, and ordinary combustibles4. The discharge time is the time required to release the agent from the storage containers to the protected enclosure.A short discharge time is important to achieve the design concentration of the agent before the fire grows or spreads5.References:
NFPA 2001: Standard on Clean Agent Fire Extinguishing Systems
Clean Agent System Basics | NFPA
Fire Fighting Foams - Chemguard
Clean Agent Fire Suppression Systems | Fike
Category | Rotarex Firetec
NEW QUESTION # 139
Which pure metal in its solid form in oxygen has the highest ignition temperature in degrees Fahrenheit?
- A. Zirconium
- B. Aluminum
- C. Potassium
- D. Titanium
Answer: D
Explanation:
Explanation
According to the web search results, titanium is the pure metal in its solid form in oxygen that has the highest ignition temperature in degrees Fahrenheit.The spontaneous-ignition temperature of titanium in the solid phase (below melting) is about 3020°F (1660°C)1.Aluminum, potassium, and zirconium have lower ignition temperatures in the solid phase, ranging from 1292°F (700°C) to 1652°F (900°C)23.References:
IGNITION OF METALS IN HIGH PRESSURE OXYGEN2
Combustion of Metals in Oxygen-Enriched Atmospheres3
High-temperature oxidation and ignition of metals1
NEW QUESTION # 140
Typical fire pump drivers reach maximum brake horsepower between
- A. 140-170% of rated capacity.
- B. 65-85% of rated capacity.
- C. 110-125% of rated capacity.
- D. 90-100% of rated capacity.
Answer: A
Explanation:
Explanation
Fire pump
Explore
Typical fire pump drivers reach maximum brake horsepower (BHP) between 140% and 170% of rated capacity, depending on the type and size of the pump. This means that the driver must be able to provide enough power to operate the pump at its peak efficiency point, which is usually beyond the rated capacity. The rated capacity is the flow rate at which the pump is designed to deliver a certain pressure, as specified by NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection. The maximum BHP is the highest power output required by the pump at any point on its performancecurve. The driver must be sized to match the maximum BHP of the pump, with some allowance for service factor and safety margin.References
:Understanding the Basics of Fire Pumps | Pumps & Systems;How are Engines and Motors Sized for Fire Pumps?; NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection, 2023 Edition, Chapter 4, Section 4.7.
NEW QUESTION # 141
Which type of plan review may provide information about a modification such as the removal of an abandoned underground flammable liquid tank?
- A. Final building plan review
- B. Preliminary building plan review
- C. Site plan review
- D. As built plan review
Answer: D
Explanation:
Explanation
An as built plan review is a type of plan review that may provide information about a modification such as the removal of an abandoned underground flammable liquid tank. An as built plan review is conducted after the construction or alteration of a building orsystem is completed and before the final approval or acceptance by the AHJ. An as built plan review verifies that the building or system conforms to the approved plans and specifications and complies with the applicable codes and standards. An as built plan review may also identify any changes or deviations from the original plans that occurred during the construction or alteration process, such as the removal of an underground tank.References:
NFPA 1: Fire Code, 2018 Edition, Section 1.12.8.1.11
Fire Protection Handbook, 20th Edition, Volume 1, Chapter 5, Section 5.2.3.42
NEW QUESTION # 142
How can pipe bombs be modified to enhance their injurious effect?
- A. Use PVC piping.
- B. Coat them with powdered neon.
- C. Set them to explode at dusk.
- D. Pack them with nails.
Answer: A
NEW QUESTION # 143
Pressure readings at the inlet flange of a pump operating under lift are:
- A. negligible with respect to the gauge and equal when referred to absolute pressure
- B. positive with respect to the gauge and negative when referred to absolute pressure
- C. negative with respect to the gauge and positive when referred to absolute pressure
- D. equal with respect to the gauge and negative when referred to absolute pressure
Answer: B
NEW QUESTION # 144
The minimum area of sprinkler operation for hydraulically designed Extra Hazard Group 1 occupancy should be:
- A. 1500 ft2 (139 m2)
- B. 2000 ft2 (186 m2)
- C. 2500 ft2 (232 m2)
- D. 3000 ft2 (279 m2)
Answer: C
Explanation:
Remote Area- The area that must be proven, by hydraulic calculations, that if all sprinklers activate, the piping and supply can provide the required pressure and gpm Light Hazard- minimum of 1500 sq. ft Ordinary Hazard- minimum of 1500 sq. ft Extra Hazard- minimum of 2500 sq. ft.
NEW QUESTION # 145
What class designation is given to a standpipe system consisting of a 2 . inch (6.35 cm) hose valve specifically for fire department use and a 1 . inch (3.81 cm) hose valve complete with hose and nozzles for building occupant use?
- A. Class IV
- B. Class II
- C. Class I
- D. Class III
Answer: A
NEW QUESTION # 146
Pre-incident planning for industrial and municipal emergency response includes all of the following data components. EXCEPT
- A. occupancy
- B. Site considerations
- C. Building construction
- D. Interior finishes
Answer: D
NEW QUESTION # 147
Which of the following is a classification of gases from NFPA 55?
- A. Colorless
- B. High vapor
- C. Low vapor
- D. Oxidizing
Answer: B
NEW QUESTION # 148
What type of electrically powered industrial truck can be used in Class 1, Division 1, Group D locations?
- A. Type ES
- B. Type E
- C. Type EE
- D. Type EX
Answer: D
NEW QUESTION # 149
What is the maximum allowable travel distance from any part of a smoke compartment to the door in a smoke barrier in a new health care facility?
- A. 150 ft. (46 m).
- B. 100 ft.(30 m).
- C. 50 ft. (15 m).
- D. 200 ft. (60 m).
Answer: D
Explanation:
Explanation
The maximum allowable travel distance from any part of a smoke compartment to the door in a smoke barrier in a new health care facility is 200 ft. (60 m). This is based on NFPA 101: Life Safety Code, 2018 Edition, Chapter 18, Section 18.3.7.3, which states that "the travel distance from any point in a smoke compartment to reach a door in the required smoke barrier shall not exceed 200 ft (61 m)." A smoke compartment is a space within a building that is enclosed by smoke barriers on all sides, including the top and bottom. A smoke barrier is a continuous membrane, or a combination of materials, that is designed to restrict the movement of smoke.A smoke barrier door is a door assembly that is installed in a smoke barrier to allow access between smoke compartments123
NEW QUESTION # 150
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