Iowa Fire Inspector Certification Exam 2026 – Practice
Questions & Study Guide for Exam Preparation
1. Which NFPA standard primarily governs the installation and
maintenance of fire alarm systems?
A) NFPA 1
B) NFPA 72
C) NFPA 13
D) NFPA 101
NFPA 72 is the National Fire Alarm and Signaling Code, setting
standards for design, installation, and maintenance of fire alarm
systems.
2. What is the minimum required clearance around a fire sprinkler
head?
A) 6 inches
B) 12 inches
C) 18 inches
D) 24 inches
Fire sprinkler heads must have at least 18 inches of clearance from
any obstruction to ensure proper water distribution.
3. Which type of fire extinguisher is most suitable for electrical
fires?
A) Water
B) Foam
C) CO2
D) Wet Chemical
CO2 extinguishers are non-conductive and ideal for electrical fires.
,4. The primary purpose of a fire wall is to:
A) Provide decorative separation
B) Prevent the spread of fire between structures
C) Support structural weight
D) Act as a smoke barrier
Fire walls are designed to resist fire spread for a specified period.
5. Which of the following is considered a Class B fire?
A) Paper fire
B) Wood fire
C) Flammable liquid fire
D) Electrical fire
Class B fires involve flammable liquids or gases.
6. Smoke detectors in a residential home should be installed:
A) Only in bedrooms
B) Only in the kitchen
C) Inside each bedroom, outside each sleeping area, and on each
level of the home
D) Only in the basement
NFPA 72 requires smoke alarms in these locations to ensure early
warning for occupants.
7. Which of the following is a requirement for exit signs in Iowa
commercial buildings?
A) Must be blue
B) Must be illuminated at all times
, C) Only required at main exits
D) Optional if emergency lighting is present
Exit signs must be illuminated continuously to guide occupants during
an emergency.
8. What is the minimum number of fire extinguishers required for a
building with 3,000 square feet of floor area?
A) 1
B) 2
C) 2 (one per 1,500 sq. ft.)
D) 3
According to NFPA 10, one 2-A rated extinguisher is required for each
3,000 sq. ft., or one per 1,500 sq. ft. for general coverage.
9. A Class K fire extinguisher is used for:
A) Wood and paper
B) Flammable liquids
C) Electrical equipment
D) Cooking oils and fats
Class K extinguishers are specifically designed for commercial kitchen
fires involving cooking oils and fats.
10. The minimum stair width in a new commercial building must be:
A) 24 inches
B) 30 inches
C) 36 inches
D) 44 inches
Iowa building codes follow NFPA 101 Life Safety Code requiring at
least 44 inches for new construction stairs to allow safe egress.
Questions & Study Guide for Exam Preparation
1. Which NFPA standard primarily governs the installation and
maintenance of fire alarm systems?
A) NFPA 1
B) NFPA 72
C) NFPA 13
D) NFPA 101
NFPA 72 is the National Fire Alarm and Signaling Code, setting
standards for design, installation, and maintenance of fire alarm
systems.
2. What is the minimum required clearance around a fire sprinkler
head?
A) 6 inches
B) 12 inches
C) 18 inches
D) 24 inches
Fire sprinkler heads must have at least 18 inches of clearance from
any obstruction to ensure proper water distribution.
3. Which type of fire extinguisher is most suitable for electrical
fires?
A) Water
B) Foam
C) CO2
D) Wet Chemical
CO2 extinguishers are non-conductive and ideal for electrical fires.
,4. The primary purpose of a fire wall is to:
A) Provide decorative separation
B) Prevent the spread of fire between structures
C) Support structural weight
D) Act as a smoke barrier
Fire walls are designed to resist fire spread for a specified period.
5. Which of the following is considered a Class B fire?
A) Paper fire
B) Wood fire
C) Flammable liquid fire
D) Electrical fire
Class B fires involve flammable liquids or gases.
6. Smoke detectors in a residential home should be installed:
A) Only in bedrooms
B) Only in the kitchen
C) Inside each bedroom, outside each sleeping area, and on each
level of the home
D) Only in the basement
NFPA 72 requires smoke alarms in these locations to ensure early
warning for occupants.
7. Which of the following is a requirement for exit signs in Iowa
commercial buildings?
A) Must be blue
B) Must be illuminated at all times
, C) Only required at main exits
D) Optional if emergency lighting is present
Exit signs must be illuminated continuously to guide occupants during
an emergency.
8. What is the minimum number of fire extinguishers required for a
building with 3,000 square feet of floor area?
A) 1
B) 2
C) 2 (one per 1,500 sq. ft.)
D) 3
According to NFPA 10, one 2-A rated extinguisher is required for each
3,000 sq. ft., or one per 1,500 sq. ft. for general coverage.
9. A Class K fire extinguisher is used for:
A) Wood and paper
B) Flammable liquids
C) Electrical equipment
D) Cooking oils and fats
Class K extinguishers are specifically designed for commercial kitchen
fires involving cooking oils and fats.
10. The minimum stair width in a new commercial building must be:
A) 24 inches
B) 30 inches
C) 36 inches
D) 44 inches
Iowa building codes follow NFPA 101 Life Safety Code requiring at
least 44 inches for new construction stairs to allow safe egress.
