NFPA Certified Fire Inspector I (CFI-I) Exam — Questions and Answers
Question 1: Under NFPA 72, smoke detectors must be located at minimum how far from a supply air diffuser?
- 5 feet
- 1 foot
- 10 feet
- 3 feet (Correct answer)
Correct answer: 3 feet
NFPA 72 requires smoke detectors to be located at least 3 feet from air supply diffusers to prevent airflow from diluting smoke before it reaches the detector.
Question 2: Under NFPA 25, how frequently must wet pipe sprinkler system gauges be inspected?
- Weekly
- Quarterly
- Monthly (Correct answer)
- Annually
Correct answer: Monthly
NFPA 25 requires gauges on wet pipe sprinkler systems to be inspected monthly to verify they are in good condition and show normal pressure.
Question 3: According to NFPA 72, what is the maximum spacing for heat detectors with a listed spacing of 50 feet in a smooth ceiling room?
- 30 feet
- 70 feet
- 100 feet
- 50 feet (Correct answer)
Correct answer: 50 feet
NFPA 72 permits heat detectors to be installed at their listed spacing, which in this case is 50 feet between detectors on a smooth ceiling.
Question 4: Which NFPA code is known as the Life Safety Code?
- NFPA 10
- NFPA 5000
- NFPA 72
- NFPA 101 (Correct answer)
Correct answer: NFPA 101
NFPA 101 is the official Life Safety Code published by the National Fire Protection Association.
Question 5: How many sections does the NFPA 704 hazard diamond contain?
- 3
- 6
- 5
- 4 (Correct answer)
Correct answer: 4
The NFPA 704 diamond contains exactly 4 sections: blue (health), red (flammability), yellow (instability), and white (special hazards).
Question 6: Under NFPA 13, what type of fitting is required when changing direction on a sprinkler branch line to ensure proper drainage?
- Drop nipple with a drip leg (Correct answer)
- Drain plug
- 45-degree elbow
- 90-degree elbow
Correct answer: Drop nipple with a drip leg
NFPA 13 requires that branch lines be pitched to drain, using drop nipples or equivalent fittings to ensure water drains to a low point.
Question 7: In the NFPA 704 system, which color section represents flammability?
- Red (Correct answer)
- Yellow
- Blue
- White
Correct answer: Red
The red section, located at the top of the diamond, represents the flammability hazard rating.
Question 8: According to NFPA 10, how often must non-rechargeable (disposable) fire extinguishers be replaced?
- Every 6 years
- Every 5 years
- Every 12 years (Correct answer)
- Every 3 years
Correct answer: Every 12 years
NFPA 10 requires non-rechargeable fire extinguishers to be replaced every 12 years from the date of manufacture.
Question 9: Under NFPA 10, what minimum rating is required for a Class B extinguisher protecting a high-hazard flammable liquid area with a 25-square-foot maximum fire size?
- 5-B
- 10-B (Correct answer)
- 20-B
- 40-B
Correct answer: 10-B
NFPA 10 tables require at least a 10-B rated extinguisher for high-hazard areas where maximum fire size is 25 square feet.
Question 10: According to NFPA 72, when a fire alarm system is out of service for more than how many hours must the authority having jurisdiction be notified?
- 24 hours (Correct answer)
- 4 hours
- 2 hours
- 8 hours
Correct answer: 24 hours
NFPA 72 requires notification of the AHJ when a fire alarm system is out of service for more than 8 hours.
Question 11: According to NFPA 25, how often must a main drain test be conducted on a wet pipe sprinkler system?
- Quarterly
- Every 5 years
- Monthly
- Annually (Correct answer)
Correct answer: Annually
NFPA 25 requires an annual main drain test to verify that the water supply is unobstructed and pressure is adequate.
Question 12: According to NFPA 72, how frequently must a fire alarm system receiving central station monitoring be tested?
- Annually (Correct answer)
- Monthly
- Quarterly
- Semi-annually
Correct answer: Annually
NFPA 72 requires that most fire alarm system components be tested at least annually unless more frequent testing is specified.
Question 13: According to NFPA 30, what type of electrical equipment is required in a flammable liquid storage room classified as a Division 1 hazardous location?
- Weatherproof only
- GFCI-protected only
- Explosion-proof or intrinsically safe (Correct answer)
- Standard commercial grade
Correct answer: Explosion-proof or intrinsically safe
NFPA 30 requires explosion-proof or intrinsically safe electrical equipment in Division 1 hazardous locations where flammable vapors may be present.
Question 14: Under NFPA 10, which extinguishing agent requires a 12-year hydrostatic test for its cylinder?
- Water mist (stainless steel)
- Stored-pressure dry chemical
- Wet chemical
- CO2 (high pressure) (Correct answer)
Correct answer: CO2 (high pressure)
NFPA 10 requires CO2 extinguisher cylinders, as high-pressure vessels, to undergo hydrostatic testing every 5 years.
Question 15: In the context of the NFPA Life Safety Code, what is the purpose of an automatic sprinkler system?
- To provide illumination during a fire
- To suppress and control fires automatically (Correct answer)
- To alert emergency services of a fire
- To assist in the manual evacuation of occupants
Correct answer: To suppress and control fires automatically
Automatic sprinkler systems are designed to control and suppress fires, thereby enhancing occupant safety and minimizing property damage.
Question 16: According to NFPA 30, what is the maximum quantity of Class I and Class II liquids that may be stored in a single cabinet without special permits?
- 240 gallons
- 30 gallons
- 120 gallons
- 60 gallons (Correct answer)
Correct answer: 60 gallons
NFPA 30 limits flammable liquid storage cabinets to a maximum of 60 gallons of Class I and Class II liquids combined.
Question 17: According to NFPA 25, what is the minimum flow required during an inspector's test connection flow test to verify sprinkler system waterflow alarms?
- 50 gpm
- Flow equivalent to one sprinkler (Correct answer)
- 25 gpm
- Flow equivalent to two sprinklers
Correct answer: Flow equivalent to one sprinkler
NFPA 25 specifies that the inspector's test connection must produce a flow equivalent to one sprinkler to test waterflow alarm devices.
Question 18: According to NFPA 30, what is the minimum distance between a flammable liquid dispensing station and any ignition source?
- 10 feet
- 5 feet
- 25 feet
- 20 feet (Correct answer)
Correct answer: 20 feet
NFPA 30 requires a minimum separation of 20 feet between flammable liquid dispensing operations and potential ignition sources.
Question 19: According to NEC, what is the minimum depth requirement for burying non-metallic electrical conduits in a residential setting?
- 6 inches
- 18 inches
- 24 inches
- 12 inches (Correct answer)
Correct answer: 12 inches
The NEC specifies that non-metallic conduits should be buried at least 12 inches deep to protect them from damage.
Question 20: Under NFPA 13, how far must a sprinkler deflector be positioned below a smooth flat ceiling for a standard pendent sprinkler?
- 2 to 6 inches
- 1 to 12 inches (Correct answer)
- 4 to 8 inches
- 1 to 4 inches
Correct answer: 1 to 12 inches
NFPA 13 requires the deflector of a standard pendent sprinkler to be positioned 1 to 12 inches below a smooth flat ceiling.
Question 21: In NFPA 704, a flammability rating of 2 applies to liquids with a flash point in which range?
- Above 200°F (93.3°C)
- Below 73°F (22.8°C)
- Between 100°F and 200°F (37.8–93.3°C) (Correct answer)
- Between 73°F and 100°F (22.8–37.8°C)
Correct answer: Between 100°F and 200°F (37.8–93.3°C)
A flammability rating of 2 applies to liquids with flash points between 100°F and 200°F (37.8–93.3°C), which must be moderately heated before ignition.
Question 22: According to NFPA 1, what is required before a certificate of occupancy is issued for a new building?
- Approval of architectural drawings only
- Successful completion of all required fire protection system inspections and tests (Correct answer)
- Payment of all permit fees
- Submission of a fire emergency plan
Correct answer: Successful completion of all required fire protection system inspections and tests
NFPA 1 requires that all fire protection systems be inspected, tested, and approved before a certificate of occupancy can be issued.
Question 23: According to NFPA 72, which initiating device is required in the air ducts of HVAC systems serving multiple floors?
- Carbon monoxide detector
- Duct smoke detector (Correct answer)
- Heat detector
- Sprinkler flow switch
Correct answer: Duct smoke detector
NFPA 72 requires duct smoke detectors in HVAC systems to prevent smoke from being distributed to other areas through ductwork.
Question 24: What is the minimum required flow pressure at the most remote sprinkler in an NFPA 13 light hazard system?
- 5 psi
- 15 psi
- 7 psi
- 10 psi (Correct answer)
Correct answer: 10 psi
NFPA 13 requires a minimum residual pressure of 7 psi at the most remote sprinkler, but design pressure at each sprinkler must meet the hydraulic calculation, commonly 7 psi minimum.
Question 25: Under NFPA 72, a notification appliance circuit (NAC) must be supervised for which of the following conditions?
- Overload and short circuit
- Open circuit and ground fault (Correct answer)
- Loss of AC power only
- Low battery only
Correct answer: Open circuit and ground fault
NFPA 72 requires that notification appliance circuits be monitored for integrity, meaning open circuits and ground faults must be detected.
Question 26: According to NFPA 25, what is the minimum hydrostatic test pressure for a new sprinkler system installation?
- 150 psi or 50 psi above maximum system pressure, whichever is greater (Correct answer)
- Maximum working pressure plus 100 psi
- 200 psi for all systems
- 100 psi or 50 psi above maximum system pressure, whichever is greater
Correct answer: 150 psi or 50 psi above maximum system pressure, whichever is greater
NFPA 25 requires that new systems be hydrostatically tested at 200 psi or 50 psi above the maximum system working pressure, whichever is greater, for 2 hours.
Question 27: Where is the NFPA 704 placard most commonly and appropriately displayed?
- Exclusively inside chemical storage logs and safety data sheets
- On personal protective equipment worn by chemical handlers
- On stationary containers, storage tanks, and building entrances where hazardous materials are stored or used (Correct answer)
- Only on vehicles transporting hazardous materials on highways
Correct answer: On stationary containers, storage tanks, and building entrances where hazardous materials are stored or used
NFPA 704 placards are placed on fixed facilities such as storage tanks, containers, and buildings to alert emergency responders before they enter a hazardous area.
Question 28: A flammability rating of 4 in NFPA 704 describes a material that:
- Requires an oxidizer to ignite
- Burns readily at ambient conditions with a flash point below 73°F (22.8°C) (Correct answer)
- Will not burn under any conditions
- Ignites only after prolonged exposure to heat
Correct answer: Burns readily at ambient conditions with a flash point below 73°F (22.8°C)
A flammability rating of 4 indicates materials that rapidly vaporize at normal temperatures, with a flash point below 73°F and a boiling point below 100°F.
Question 29: Under NFPA 13, what type of sprinkler system uses air pressure to hold water back until a sprinkler activates?
- Wet pipe system
- Preaction system
- Dry pipe system (Correct answer)
- Deluge system
Correct answer: Dry pipe system
A dry pipe system uses pressurized air or nitrogen to hold the water back in the supply piping until a sprinkler head opens.
Question 30: According to NFPA 25, how often must fire pump acceptance tests be repeated after initial installation?
- Every 3 years
- Annually (Correct answer)
- Every 10 years
- Every 5 years
Correct answer: Annually
NFPA 25 requires that fire pump annual flow tests be conducted every year to verify the pump delivers rated performance.
Question 31: What is the minimum water supply duration required for a light hazard occupancy sprinkler system under NFPA 13?
- 60 minutes
- 90 minutes
- 30 minutes (Correct answer)
- 15 minutes
Correct answer: 30 minutes
NFPA 13 requires a minimum water supply duration of 30 minutes for light hazard occupancies.
Question 32: Which NFPA 704 health rating indicates exposure could cause death?
- 3
- 1
- 2
- 4 (Correct answer)
Correct answer: 4
A health rating of 4 indicates that very short exposure could cause death or major residual injury, even with emergency responder protective equipment.
Question 33: An instability rating of 4 in NFPA 704 indicates the material:
- Can detonate only with a strong external initiator
- Is normally stable at all temperatures
- Is readily capable of detonation or explosive decomposition at normal temperatures (Correct answer)
- Becomes unstable only at elevated temperatures and pressures
Correct answer: Is readily capable of detonation or explosive decomposition at normal temperatures
An instability rating of 4 means the material is readily capable of detonation or explosive decomposition at normal temperatures and pressures, representing the maximum reactivity hazard.
Question 34: According to NFPA 10, what is the maximum mounting height for the handle of a fire extinguisher weighing more than 40 pounds?
- 4 feet (Correct answer)
- 5.5 feet
- 5 feet
- 3.5 feet
Correct answer: 4 feet
NFPA 10 requires that extinguishers weighing more than 40 pounds be mounted so that the handle is no higher than 3.5 feet above the floor.
Question 35: Under NFPA 72, which initiating device is classified as a spot-type smoke detector?
- Linear beam detector
- Duct smoke detector
- Air sampling detector
- Ionization smoke detector (Correct answer)
Correct answer: Ionization smoke detector
An ionization smoke detector is a spot-type detector that responds to products of combustion in its immediate vicinity.
Question 36: According to NFPA 25, which valve must be tested by partially closing it and verifying the waterflow alarm activates?
- Control valve tamper switch (Correct answer)
- Butterfly valve
- OS&Y gate valve
- Check valve
Correct answer: Control valve tamper switch
NFPA 25 requires the control valve supervisory (tamper) switch to be tested by partially closing the valve and verifying the supervisory alarm is received.
Question 37: According to the NFPA Life Safety Code, what is the minimum width requirement for egress doors in new buildings?
- 36 inches
- 24 inches
- 32 inches (Correct answer)
- 28 inches
Correct answer: 32 inches
The LSC requires that egress doors in new buildings must be at least 32 inches wide to ensure safe evacuation.
Question 38: Which of the following is required for all kitchen countertop outlets according to the NEC?
- Arc-Fault Circuit Interrupters (AFCIs)
- 20-ampere breakers
- Surge protectors
- Ground-Fault Circuit Interrupters (GFCIs) (Correct answer)
Correct answer: Ground-Fault Circuit Interrupters (GFCIs)
GFCIs are required to prevent electrical shock in areas where water is present, such as kitchen countertops.
Question 39: What shape is used for the NFPA 704 hazard identification system placard?
- Circle divided into quadrants
- Square rotated 45 degrees (diamond) (Correct answer)
- Rectangle divided into four sections
- Equilateral triangle
Correct answer: Square rotated 45 degrees (diamond)
NFPA 704 uses a square rotated 45 degrees, commonly called a 'fire diamond,' divided into four colored sections.
Question 40: According to NFPA 72, what is the maximum allowable supervisory signal response time from the control unit to the supervising station?
- 5 minutes (Correct answer)
- 30 seconds
- 90 seconds
- 60 seconds
Correct answer: 5 minutes
NFPA 72 requires that supervisory signals be received at the supervising station within 5 minutes of occurrence.
Question 41: A flammability rating of 1 in NFPA 704 applies to materials that:
- Ignite under almost all normal temperature conditions
- Must be preheated to burn, with a flash point above 200°F (93.3°C) (Correct answer)
- Do not burn under any conditions
- Burn readily at ambient temperature
Correct answer: Must be preheated to burn, with a flash point above 200°F (93.3°C)
A flammability rating of 1 applies to materials that must be preheated before ignition can occur, with flash points above 200°F (93.3°C), such as mineral oil.
Question 42: Under NFPA 72, what is the maximum height above the floor at which a manual pull station may be installed?
- 48 inches
- 60 inches (Correct answer)
- 66 inches
- 54 inches
Correct answer: 60 inches
NFPA 72 requires manual pull stations to be mounted between 42 and 60 inches above the finished floor.
Question 43: What color code indicates a sprinkler with a temperature rating of 135–170°F (57–77°C) under NFPA 13?
- Blue
- White
- Red
- Uncolored/Black (Correct answer)
Correct answer: Uncolored/Black
NFPA 13 specifies that sprinklers rated at 135–170°F are uncolored (natural brass) or marked with a black color code.
Question 44: What NEC article covers the installation of photovoltaic (solar) systems?
- Article 310
- Article 750
- Article 334
- Article 690 (Correct answer)
Correct answer: Article 690
Article 690 of the NEC provides guidelines and requirements for the installation of photovoltaic (solar) systems.
Question 45: Under NFPA 10, what action is required when a fire extinguisher pressure gauge reads in the red (overcharged or undercharged) zone?
- Submit a report to the AHJ
- Tag and continue in service for 30 days
- Add pressure if undercharged only
- Remove from service and recharge or replace (Correct answer)
Correct answer: Remove from service and recharge or replace
NFPA 10 requires that extinguishers with gauges outside the operable (green) range be removed from service and recharged or replaced.
Question 46: Which organization publishes the National Electrical Code (NEC)?
- Underwriters Laboratories (UL)
- Institute of Electrical and Electronics Engineers (IEEE)
- Occupational Safety and Health Administration (OSHA)
- National Fire Protection Association (NFPA) (Correct answer)
Correct answer: National Fire Protection Association (NFPA)
The NFPA is responsible for developing and publishing the NEC.
Question 47: Under NFPA 72, what minimum standby battery capacity is required for a fire alarm control unit?
- 24 hours standby + 5 minutes alarm (Correct answer)
- 4 hours standby + 15 minutes alarm
- 4 hours alarm + 4 hours standby
- 60 minutes alarm only
Correct answer: 24 hours standby + 5 minutes alarm
NFPA 72 requires fire alarm control units to have battery backup for 24 hours in standby followed by 5 minutes in full alarm.
Question 48: Under NFPA 13, what is the maximum distance allowed between a sprinkler and a wall or obstruction in a light hazard occupancy?
- 12 feet
- 9 feet
- 7.5 feet (Correct answer)
- 4 feet
Correct answer: 7.5 feet
NFPA 13 limits the distance from a sprinkler to a wall or partition to a maximum of 7.5 feet in light hazard occupancies.
Question 49: Under NFPA 25, what is the required inspection frequency for internal inspection of steel dry pipe and preaction system piping?
- Every 15 years
- Every 5 years (Correct answer)
- Every 10 years
- Every 3 years
Correct answer: Every 5 years
NFPA 25 requires an internal inspection of dry pipe and preaction system piping every 5 years to check for obstructions.
Question 50: According to NFPA 72, where must a remote annunciator panel be located?
- Adjacent to the main fire alarm control unit
- In the mechanical room
- At the main electrical panel
- At a location approved by the authority having jurisdiction (Correct answer)
Correct answer: At a location approved by the authority having jurisdiction
NFPA 72 requires remote annunciator panels to be located where approved by the authority having jurisdiction (AHJ).
Question 51: According to NFPA 10, what information must appear on the tag attached to a fire extinguisher after annual maintenance?
- Date of service, servicing company, and technician initials or ID (Correct answer)
- Owner name and address
- Manufacturer's date of manufacture only
- Next recharge due date only
Correct answer: Date of service, servicing company, and technician initials or ID
NFPA 10 requires the maintenance tag to show the date of service, the name of the servicing organization, and the technician's identification.
Question 52: According to NFPA 72, what information must be displayed on a fire alarm control unit annunciator?
- Time of last alarm only
- Suppression system type
- Building owner contact information
- Zone or device location of alarm, supervisory, and trouble conditions (Correct answer)
Correct answer: Zone or device location of alarm, supervisory, and trouble conditions
NFPA 72 requires that the annunciator display the location (zone or device) of alarm, supervisory, and trouble conditions.
Question 53: In the NEC, what does the term "ampacity" refer to?
- The length of a conductor
- The current-carrying capacity of a conductor (Correct answer)
- The voltage rating of a conductor
- The resistance of a conductor
Correct answer: The current-carrying capacity of a conductor
Ampacity is the maximum amount of electrical current a conductor or device can carry before sustaining immediate or progressive deterioration.
Question 54: What is the required fire resistance rating for doors in a fire barrier according to the NFPA Life Safety Code?
- 90 minutes (Correct answer)
- 45 minutes
- 60 minutes
- 20 minutes
Correct answer: 90 minutes
Fire doors in fire barriers must have a fire resistance rating of 90 minutes to effectively prevent the spread of fire.
Question 55: According to the NFPA Life Safety Code, how often should fire drills be conducted in healthcare facilities?
- Monthly
- Annually
- Quarterly (Correct answer)
- Semi-annually
Correct answer: Quarterly
The LSC mandates that fire drills in healthcare facilities should be conducted quarterly to ensure staff preparedness.
Question 56: What is the primary purpose of the NFPA 704 standard?
- To classify materials for international shipping documentation
- To provide emergency responders with immediate visual hazard identification (Correct answer)
- To regulate the transportation of hazardous materials on public roadways
- To establish maximum allowable storage quantities for chemicals
Correct answer: To provide emergency responders with immediate visual hazard identification
NFPA 704 is designed to give emergency responders quick, visual identification of hazards during fires or spills so they can take appropriate protective action.
Question 57: Under NFPA 25, what is the required frequency for a full flow trip test of a dry pipe valve?
- Every 5 years
- Every 3 years
- Every 10 years
- Annually (Correct answer)
Correct answer: Annually
NFPA 25 requires a full flow trip test of dry pipe valves annually to ensure the system operates correctly.
Question 58: Under NFPA 25, what is the required testing frequency for antifreeze solution concentration in a sprinkler system?
- Monthly
- Annually (Correct answer)
- Quarterly
- Every 5 years
Correct answer: Annually
NFPA 25 requires annual testing of antifreeze solution concentration to ensure freeze protection remains adequate.
Question 59: What does the symbol 'OX' or 'OXY' in the white section of an NFPA 704 diamond indicate?
- The material is radioactive
- The material is an oxidizer that can intensify fires (Correct answer)
- The material is highly toxic and corrosive
- The material releases breathable oxygen
Correct answer: The material is an oxidizer that can intensify fires
OX or OXY in the white section identifies the material as an oxidizer, which can cause or enhance combustion of other materials and may react violently with fuels.
Question 60: Under NFPA 72, what is the minimum visible notification appliance (strobe) candela rating for a public area with 16-foot ceilings?
- 110 cd
- 75 cd (Correct answer)
- 15 cd
- 30 cd
Correct answer: 75 cd
NFPA 72 requires a minimum of 75 candela for strobes in rooms with ceiling heights between 10 and 16 feet when mounted on a wall.
Question 61: In the NFPA 704 system, which color section represents instability or reactivity?
- White
- Yellow (Correct answer)
- Green
- Orange
Correct answer: Yellow
The yellow section, located on the right side of the diamond, represents the instability/reactivity hazard rating.
Question 62: According to NFPA 25, what must be done after any sprinkler system work that requires draining the system?
- Submit a written report to the AHJ
- Perform a main drain test and restore the system to service (Correct answer)
- Wait 24 hours before restoring service
- Replace all sprinkler heads
Correct answer: Perform a main drain test and restore the system to service
NFPA 25 requires that after any system maintenance requiring draining, a main drain test be performed and the system fully restored to service.
Question 63: Under NFPA 25, when a waterflow alarm fails to activate during a quarterly test, what is the required corrective action?
- Notify the fire department and restore within 24 hours
- Immediately restore to operation, investigate, and repair before leaving the site (Correct answer)
- Document and retest annually
- Restore the system to service and schedule repair within 30 days
Correct answer: Immediately restore to operation, investigate, and repair before leaving the site
NFPA 25 requires that when a waterflow alarm fails, the system be restored, the deficiency investigated, and the issue corrected before the inspector leaves.
Question 64: Which NFPA 704 health rating indicates 'extreme danger' where serious injury is likely from short exposure?
- 2
- 4
- 1
- 3 (Correct answer)
Correct answer: 3
A health rating of 3 indicates short exposure could cause serious temporary or residual injury, requiring full protective equipment for emergency responders.
Question 65: Under NFPA 30, underground storage tanks must be equipped with which device to prevent overflow during filling?
- Check valve
- Pressure relief valve
- Overfill prevention device (Correct answer)
- Ball valve with tamper switch
Correct answer: Overfill prevention device
NFPA 30 requires underground storage tanks to have overfill prevention devices to automatically stop or signal when the tank reaches 90–95% capacity.
Question 66: According to NFPA 25, what action is required when a sprinkler head shows signs of corrosion, paint, or loading?
- Apply touch-up paint to protect it
- Clean the sprinkler head
- Document and monitor for 6 months
- Replace the sprinkler head immediately (Correct answer)
Correct answer: Replace the sprinkler head immediately
NFPA 25 requires that any sprinkler showing signs of corrosion, loading, or unauthorized paint be replaced immediately.
Question 67: Under NFPA 1, which occupancy type requires the most restrictive fire protection measures?
- Business occupancy
- Industrial occupancy
- High-rise assembly occupancy (Correct answer)
- Storage occupancy
Correct answer: High-rise assembly occupancy
NFPA 1 imposes the most stringent fire protection requirements on high-rise assembly occupancies due to large numbers of occupants and evacuation challenges.
Question 68: Under NFPA 10, what is the minimum extinguisher rating required for a light hazard occupancy receiving a single Class A extinguisher unit?
- 10-A
- 1-A
- 4-A
- 2-A (Correct answer)
Correct answer: 2-A
NFPA 10 requires a minimum 2-A rated extinguisher for light hazard occupancies when using a single unit per area.
Question 69: Under NFPA 25, how frequently must fire department connections (FDCs) be inspected?
- Annually
- Weekly
- Monthly (Correct answer)
- Quarterly
Correct answer: Monthly
NFPA 25 requires quarterly inspections of fire department connections to verify they are accessible, undamaged, and have proper caps.
Question 70: According to NFPA 1, what is the minimum fire flow requirement consideration for determining water supply adequacy for fire suppression?
- Sprinkler system presence only
- Distance from the nearest fire station
- Building type and use, construction, and area (Correct answer)
- Number of floors only
Correct answer: Building type and use, construction, and area
NFPA 1 requires evaluation of building type and occupancy, construction type, and floor area when determining fire flow requirements.
Question 71: Which NFPA 13 system type uses a pneumatic or electric detection system to open the valve before a sprinkler fuses?
- Deluge
- Wet pipe
- Dry pipe
- Preaction (Correct answer)
Correct answer: Preaction
A preaction system requires operation of a supplemental detection system to open the preaction valve before water can flow to sprinklers.
Question 72: Under NFPA 30, what is the definition of a 'flammable liquid' based on flash point?
- Flash point below 100°F (Correct answer)
- Flash point at or above 200°F
- Flash point between 100°F and 140°F
- Flash point above 140°F
Correct answer: Flash point below 100°F
NFPA 30 defines a flammable liquid as one with a flash point below 100°F, distinguishing it from combustible liquids which have higher flash points.
Question 73: According to NFPA 25, what is the required weekly test for an electric fire pump?
- Full flow test for 10 minutes
- Churn test (no-flow) for 10 minutes (Correct answer)
- Visual inspection only
- Pressure test at rated flow
Correct answer: Churn test (no-flow) for 10 minutes
NFPA 25 requires electric fire pumps to be run weekly under no-flow (churn) conditions for a minimum of 10 minutes.
Question 74: Under NFPA 1, what is the maximum rise for a single step in a means of egress?
- 10 inches
- 8.25 inches (Correct answer)
- 7 inches
- 5 inches
Correct answer: 8.25 inches
NFPA 1 limits the maximum riser height in egress stairways to 8.25 inches to ensure safe, consistent stepping.
Question 75: According to NFPA 30, what is required when a leak is detected in an underground storage tank system?
- Continue operation and monitor daily
- Install additional leak sensors and retest in 30 days
- Immediately stop use and notify the regulatory authority (Correct answer)
- Reduce fill level to below the leak point
Correct answer: Immediately stop use and notify the regulatory authority
NFPA 30 requires that the system be immediately taken out of service and the appropriate regulatory authority be notified when a tank leak is detected.
Question 76: Under NFPA 25, how often must the internal condition of wet pipe system piping be inspected in areas with a history of microbiologically influenced corrosion (MIC)?
- Annually (Correct answer)
- Every 5 years
- Every 3 years
- Only after an obstruction event
Correct answer: Annually
NFPA 25 requires annual internal inspections of wet pipe systems in environments with a history of MIC contamination.
Question 77: Under NFPA 30, what is the minimum separation distance between an above-ground flammable liquid storage tank and a property line or building?
- 20 feet
- 5 feet
- 50 feet
- 10 feet (Correct answer)
Correct answer: 10 feet
NFPA 30 requires a minimum separation of at least 10 feet from a tank to a property line that can be built upon, depending on tank size and class.
Question 78: In NFPA 704, the symbol 'W' with a horizontal line through it (W̄) in the white section indicates:
- Water is the preferred extinguishing agent
- Water is required for storage of the material
- The material reacts dangerously or unusually with water (Correct answer)
- The material is water-soluble and safe for aqueous dilution
Correct answer: The material reacts dangerously or unusually with water
The W with a bar through it indicates that the material reacts with water in an unusual or dangerous manner, warning responders not to use water for firefighting.
Question 79: Under NFPA 72, what is the maximum allowable sound level for a public mode audible alarm signal in a sleeping area?
- 75 dB(A) (Correct answer)
- 55 dB(A)
- 70 dB(A)
- 110 dB(A)
Correct answer: 75 dB(A)
NFPA 72 requires that public mode audible alarms produce a sound level of at least 75 dB(A) at the pillow in sleeping areas.
Question 80: Under NFPA 25, what must be done with recorded inspection, testing, and maintenance (ITM) reports?
- Submitted to NFPA headquarters
- Retained for the life of the system and made available to the AHJ (Correct answer)
- Retained until the next inspection of the same type
- Retained for 1 year only
Correct answer: Retained for the life of the system and made available to the AHJ
NFPA 25 requires that ITM records be retained for the life of the system and be available for review by the authority having jurisdiction.
Question 81: According to NFPA 25, what condition requires replacement of a sprinkler head without testing?
- Sprinkler is more than 50 years old in a wet system (Correct answer)
- Sprinkler is more than 25 years old
- Sprinkler is a fast-response type
- Sprinkler has a painted finish from factory
Correct answer: Sprinkler is more than 50 years old in a wet system
NFPA 25 requires that sprinklers 50 years or older in wet systems be replaced or sample-tested; replacement is required if they fail testing.
Question 82: According to NFPA 1, what must a fire safety and evacuation plan include?
- Emergency procedures, staff assignments, evacuation routes, and training requirements (Correct answer)
- Insurance policy number and coverage details
- Utility shutoff locations only
- Contact information for the fire department only
Correct answer: Emergency procedures, staff assignments, evacuation routes, and training requirements
NFPA 1 requires fire safety and evacuation plans to address emergency procedures, staff responsibilities, evacuation routes, and staff training.
Question 83: What is the primary objective of the NFPA Life Safety Code (LSC)?
- To provide minimum building design, construction, operation, and maintenance requirements necessary to protect building occupants from fire and related hazards (Correct answer)
- To ensure energy efficiency in buildings
- To reduce construction costs
- To enhance the aesthetic appeal of buildings
Correct answer: To provide minimum building design, construction, operation, and maintenance requirements necessary to protect building occupants from fire and related hazards
The LSC sets standards to ensure the safety of occupants from fire and related hazards.
Question 84: According to NFPA 30, what is the maximum container size permitted for Class I liquids in glass containers?
- 1 quart (Correct answer)
- 2.5 gallons
- 1 pint
- 1 gallon
Correct answer: 1 quart
NFPA 30 limits glass containers for Class I flammable liquids to a maximum size of 1 quart.
Question 85: Under NFPA 30, what bonding and grounding requirement applies when transferring Class I flammable liquids from one container to another?
- No bonding required for containers under 5 gallons
- Only the receiving container needs grounding
- Bonding is required only for metal containers
- Containers must be bonded together and grounded to prevent static sparks (Correct answer)
Correct answer: Containers must be bonded together and grounded to prevent static sparks
NFPA 30 requires that both containers be bonded to each other and that the system be grounded to prevent static electricity discharge during transfer.
Question 86: According to NFPA 13, which component must be provided at the base of each sprinkler riser to facilitate system testing and maintenance?
- Inspector's test connection
- Butterfly valve with tamper switch (Correct answer)
- Pressure gauge
- Check valve
Correct answer: Butterfly valve with tamper switch
NFPA 13 requires a supervised control valve (such as an OS&Y or butterfly valve with a tamper switch) at the base of each riser.
Question 87: What is the primary purpose of the National Electrical Code (NEC)?
- To establish energy-saving guidelines for electrical systems
- To create a standardized electrical coding system for manufacturers
- To regulate the prices of electrical components
- To ensure the safe installation of electrical wiring and equipment (Correct answer)
Correct answer: To ensure the safe installation of electrical wiring and equipment
The NEC is designed to protect people and property from electrical hazards through proper installation standards.
Question 88: Which of the following is a critical component of a means of egress as per the NFPA Life Safety Code?
- Fire extinguisher
- Security cameras
- Emergency lighting (Correct answer)
- HVAC system
Correct answer: Emergency lighting
Emergency lighting is essential in a means of egress to ensure that occupants can see and navigate exits during an emergency.
Question 89: Under NFPA 13, what is required when a sprinkler system is installed in a building with a combustible concealed space?
- Only smoke detectors are required
- No special requirements
- The space must be filled with fire retardant foam
- Sprinklers must be installed in the concealed space (Correct answer)
Correct answer: Sprinklers must be installed in the concealed space
NFPA 13 requires sprinklers in combustible concealed spaces unless specific exemptions based on construction type and insulation apply.
Question 90: Under NFPA 72, which type of detector is best suited for detecting slow, smoldering fires with little visible smoke?
- Ionization smoke detector
- Photoelectric smoke detector (Correct answer)
- Fixed-temperature heat detector
- Rate-of-rise heat detector
Correct answer: Photoelectric smoke detector
Photoelectric smoke detectors are most effective at detecting slow, smoldering fires that produce large combustion particles.
Question 91: Under NFPA 25, which condition during a hydrostatic test would require the system to fail?
- Any pressure drop during the test period
- Pressure drops more than 10 psi in 2 hours (Correct answer)
- Pressure drops more than 20 psi in 24 hours
- Pressure drops more than 5 psi in 15 minutes
Correct answer: Pressure drops more than 10 psi in 2 hours
NFPA 25 specifies that a hydrostatic test fails if pressure drops more than 10 psi during the 2-hour test period.
Question 92: According to NFPA 72, what signal must a fire alarm control unit transmit when a detector or device is removed for maintenance?
- Alarm signal
- Supervisory signal
- No signal required
- Trouble signal (Correct answer)
Correct answer: Trouble signal
NFPA 72 requires that removal of a detector or initiating device from its base generate a trouble signal at the control unit.
Question 93: Under NFPA 30, how must flammable liquid storage rooms be ventilated?
- Ventilation is not required if quantities are below 60 gallons
- Exhaust fan rated for 500 cfm minimum
- Mechanical ventilation providing at least 1 cfm per square foot of floor area (Correct answer)
- Natural ventilation only is acceptable
Correct answer: Mechanical ventilation providing at least 1 cfm per square foot of floor area
NFPA 30 requires flammable liquid storage rooms to have mechanical ventilation providing at least 1 cubic foot per minute per square foot of floor area.
Question 94: Who is primarily responsible for determining the correct NFPA 704 ratings for a hazardous material?
- The local fire marshal who inspects the facility
- The insurance underwriter for the property
- The manufacturer or supplier of the material (Correct answer)
- The building owner or facility manager
Correct answer: The manufacturer or supplier of the material
The manufacturer or supplier of a material is responsible for determining the appropriate NFPA 704 hazard ratings based on the material's properties and providing this information on safety data sheets.
Question 95: Under NFPA 13, what hazard classification applies to auto showrooms, bakeries, and laundries?
- Light hazard
- Extra hazard Group 1
- Ordinary hazard Group 1 (Correct answer)
- Ordinary hazard Group 2
Correct answer: Ordinary hazard Group 1
NFPA 13 classifies auto showrooms, bakeries, and laundries as Ordinary Hazard Group 1 occupancies.
Question 96: According to NFPA 1, what action must the responsible party take when a fire inspector identifies a code violation?
- Dispute the finding in writing within 10 days
- Correct the violation within the timeframe specified by the AHJ (Correct answer)
- Request a variance before any corrective action
- Pay the fine and continue operations
Correct answer: Correct the violation within the timeframe specified by the AHJ
NFPA 1 requires that violations identified by the AHJ be corrected within the timeframe established by the AHJ.
Question 97: What does NEC Article 210 cover?
- Overcurrent protection
- Wiring methods
- Grounding and bonding
- Branch circuits (Correct answer)
Correct answer: Branch circuits
Article 210 of the NEC focuses on the installation and specifications for branch circuits.
Question 98: What does NFPA 72 specify as the maximum travel distance to a manual pull station in an educational occupancy?
- 300 feet
- 100 feet
- 200 feet
- 150 feet (Correct answer)
Correct answer: 150 feet
NFPA 72 requires manual pull stations to be located so that travel distance from any point in the protected area does not exceed 200 feet.
Question 99: What is an “area of refuge” as defined by the NFPA Life Safety Code?
- The main entrance of a building
- The roof of a building
- An area where occupants can wait for rescue if they cannot use the stairs (Correct answer)
- A designated outdoor meeting place during a fire
Correct answer: An area where occupants can wait for rescue if they cannot use the stairs
An area of refuge is a location designed for occupants who cannot evacuate without assistance to wait safely for rescue.
Question 100: Under NFPA 10, what condition automatically requires a fire extinguisher to be hydrostatically tested?
- After any use, full or partial discharge (Correct answer)
- When more than 10 years old
- When transferred to a new owner
- When the label is illegible
Correct answer: After any use, full or partial discharge
NFPA 10 requires that any extinguisher that has been used, even partially, be subjected to maintenance and potentially hydrostatic testing before being returned to service.
NFPA Certified Fire Inspector I (CFI-I) Exam
The NFPA CFI-I (Certified Fire Inspector I) exam is a 100-question multiple-choice test with a 4-hour time limit, requiring a passing score of 70%. It is based on NFPA 1 (Fire Code) and covers fire inspection administration, fire protection systems and equipment, storage and handling of hazardous substances, and occupancy-specific fire and life safety requirements.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds