AR FP Fire Protection Contractor Exam
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. What is the primary purpose of a fire sprinkler system?
A) Increase building aesthetics
B) Suppress or control fire
C) Improve ventilation
D) Reduce noise levels
Rationale: Fire sprinkler systems are designed to control or suppress
fires before they spread.
2. Which type of fire extinguisher is suitable for electrical fires?
A) Water
B) Foam
C) CO2
D) Wet chemical
Rationale: CO2 extinguishers do not conduct electricity, making
them safe for electrical fires.
3. What is the minimum water pressure required for a residential fire
sprinkler system?
A) 20 psi
B) 7 psi
C) 15 psi
D) 50 psi
Rationale: Residential fire sprinkler systems typically require at least
7 psi to operate effectively.
4. In NFPA 13, what is the recommended spacing between sprinklers in
light hazard areas?
, A) 12 ft
B) 15 ft
C) 18 ft
D) 20 ft
Rationale: NFPA 13 recommends up to 15 ft spacing for light hazard
occupancies.
5. Which fire protection system uses a pre-action valve to prevent
accidental water discharge?
A) Wet pipe system
B) Dry pipe system
C) Pre-action system
D) Deluge system
Rationale: Pre-action systems require a detection signal before water
enters the piping, reducing accidental discharge.
6. What does NFPA stand for?
A) National Fire Planning Association
B) National Fire Protection Association
C) National Fire Prevention Alliance
D) National Fire Patrol Agency
Rationale: NFPA is the recognized authority for fire protection
standards.
7. What type of fire is Class B?
A) Wood or paper
B) Flammable liquids or gases
C) Electrical
D) Combustible metals
Rationale: Class B fires involve flammable liquids like gasoline or
oil.
8. What is the main difference between wet pipe and dry pipe sprinkler
systems?
A) Wet pipe has water; dry pipe has foam
B) Wet pipe contains water in the piping; dry pipe contains
pressurized air
C) Dry pipe uses water only during maintenance
D) Wet pipe is only for industrial use
Rationale: Wet pipe systems always have water in the pipes, while dry
pipe systems have air until activation.
, 9. What device detects smoke in a building?
A) Thermostat
B) Smoke detector
C) Flow switch
D) Pressure gauge
Rationale: Smoke detectors sense smoke particles and trigger alarms.
10. Which class of fire involves combustible metals like magnesium?
A) Class A
B) Class B
C) Class C
D) Class D
Rationale: Class D fires involve combustible metals that require
special extinguishing agents.
11. Which type of sprinkler head is designed to activate individually?
A) Pendent
B) Upright
C) Sidewall
D) All sprinkler heads activate individually, not simultaneously
Rationale: Each sprinkler head activates only when its temperature
rating is reached.
12. What is the primary function of a fire pump in a sprinkler
system?
A) Reduce water pressure
B) Filter water
C) Increase water pressure and flow
D) Activate alarms
Rationale: Fire pumps ensure adequate water pressure to the
sprinkler system.
13. How often should fire extinguishers be inspected?
A) Weekly
B) Monthly
C) Annually and monthly visual inspection
D) Every 5 years
Rationale: NFPA 10 requires monthly visual inspections and annual
maintenance checks.
14. What is a standpipe system used for?
A) Remove smoke
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. What is the primary purpose of a fire sprinkler system?
A) Increase building aesthetics
B) Suppress or control fire
C) Improve ventilation
D) Reduce noise levels
Rationale: Fire sprinkler systems are designed to control or suppress
fires before they spread.
2. Which type of fire extinguisher is suitable for electrical fires?
A) Water
B) Foam
C) CO2
D) Wet chemical
Rationale: CO2 extinguishers do not conduct electricity, making
them safe for electrical fires.
3. What is the minimum water pressure required for a residential fire
sprinkler system?
A) 20 psi
B) 7 psi
C) 15 psi
D) 50 psi
Rationale: Residential fire sprinkler systems typically require at least
7 psi to operate effectively.
4. In NFPA 13, what is the recommended spacing between sprinklers in
light hazard areas?
, A) 12 ft
B) 15 ft
C) 18 ft
D) 20 ft
Rationale: NFPA 13 recommends up to 15 ft spacing for light hazard
occupancies.
5. Which fire protection system uses a pre-action valve to prevent
accidental water discharge?
A) Wet pipe system
B) Dry pipe system
C) Pre-action system
D) Deluge system
Rationale: Pre-action systems require a detection signal before water
enters the piping, reducing accidental discharge.
6. What does NFPA stand for?
A) National Fire Planning Association
B) National Fire Protection Association
C) National Fire Prevention Alliance
D) National Fire Patrol Agency
Rationale: NFPA is the recognized authority for fire protection
standards.
7. What type of fire is Class B?
A) Wood or paper
B) Flammable liquids or gases
C) Electrical
D) Combustible metals
Rationale: Class B fires involve flammable liquids like gasoline or
oil.
8. What is the main difference between wet pipe and dry pipe sprinkler
systems?
A) Wet pipe has water; dry pipe has foam
B) Wet pipe contains water in the piping; dry pipe contains
pressurized air
C) Dry pipe uses water only during maintenance
D) Wet pipe is only for industrial use
Rationale: Wet pipe systems always have water in the pipes, while dry
pipe systems have air until activation.
, 9. What device detects smoke in a building?
A) Thermostat
B) Smoke detector
C) Flow switch
D) Pressure gauge
Rationale: Smoke detectors sense smoke particles and trigger alarms.
10. Which class of fire involves combustible metals like magnesium?
A) Class A
B) Class B
C) Class C
D) Class D
Rationale: Class D fires involve combustible metals that require
special extinguishing agents.
11. Which type of sprinkler head is designed to activate individually?
A) Pendent
B) Upright
C) Sidewall
D) All sprinkler heads activate individually, not simultaneously
Rationale: Each sprinkler head activates only when its temperature
rating is reached.
12. What is the primary function of a fire pump in a sprinkler
system?
A) Reduce water pressure
B) Filter water
C) Increase water pressure and flow
D) Activate alarms
Rationale: Fire pumps ensure adequate water pressure to the
sprinkler system.
13. How often should fire extinguishers be inspected?
A) Weekly
B) Monthly
C) Annually and monthly visual inspection
D) Every 5 years
Rationale: NFPA 10 requires monthly visual inspections and annual
maintenance checks.
14. What is a standpipe system used for?
A) Remove smoke
