CO Fire Sprinkler Contractor Exam
Questions And Correct Answers
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1. What NFPA standard governs the installation of automatic sprinkler
systems?
A. NFPA 13R
B. NFPA 25
C. NFPA 13
D. NFPA 14
NFPA 13 is the primary standard for sprinkler installation requirements.
2. The minimum required clearance below sprinkler deflectors is:
A. 12 inches
B. 24 inches
C. 18 inches
D. 30 inches
NFPA 13 requires an 18-inch minimum vertical clearance below
sprinklers.
3. A fire department connection (FDC) must be located:
A. Anywhere on the property
B. On the street side of the building
,C. At the back of the building
D. Inside the mechanical room
FDCs must be accessible from the street for fire department use.
4. Sprinkler piping should be hydrostatically tested at:
A. 100 psi for 1 hour
B. 200 psi for 2 hours
C. 300 psi for 1 hour
D. 150 psi for 30 minutes
NFPA 13 requires a test pressure of 200 psi for 2 hours.
5. Which sprinkler is designed for use in residential occupancies?
A. ESFR sprinkler
B. CMSA sprinkler
C. Residential sprinkler
D. Dry pendant sprinkler
Residential sprinklers are specifically designed for quick response in
homes.
6. A dry pipe system uses:
A. Water in the piping at all times
B. Pressurized air or nitrogen
C. Glycol solution
D. A fire pump
Air or nitrogen holds back water until the system activates.
7. What does ESFR stand for?
, A. Enhanced Safety Fire Response
B. Early Suppression Fast Response
C. Extra Standard Flow Rate
D. Emergency Sprinkler Fire Routing
ESFR sprinklers are used for high-challenge storage applications.
8. The main purpose of a backflow preventer is to:
A. Boost system pressure
B. Prevent contamination of the potable water supply
C. Remove air from sprinkler piping
D. Control flow to sprinkler heads
Backflow devices stop reversed water flow protecting potable water sources.
9. What type of valve is normally used as the main system control valve?
A. Gate valve only
B. OS&Y or butterfly valve
C. Check valve
D. Pressure-relief valve
OS&Y and butterfly valves provide visual indication of open/closed status.
10. A preaction system is often used in:
A. Parking garages
B. Warehouse storage
C. Computer rooms and sensitive areas
D. Commercial kitchens
Preaction systems require two events before water is released—ideal for
sensitive spaces.
Questions And Correct Answers
(Verified Answers) Plus
Rationale2026 Q&A| Instant
Download Pdf
1. What NFPA standard governs the installation of automatic sprinkler
systems?
A. NFPA 13R
B. NFPA 25
C. NFPA 13
D. NFPA 14
NFPA 13 is the primary standard for sprinkler installation requirements.
2. The minimum required clearance below sprinkler deflectors is:
A. 12 inches
B. 24 inches
C. 18 inches
D. 30 inches
NFPA 13 requires an 18-inch minimum vertical clearance below
sprinklers.
3. A fire department connection (FDC) must be located:
A. Anywhere on the property
B. On the street side of the building
,C. At the back of the building
D. Inside the mechanical room
FDCs must be accessible from the street for fire department use.
4. Sprinkler piping should be hydrostatically tested at:
A. 100 psi for 1 hour
B. 200 psi for 2 hours
C. 300 psi for 1 hour
D. 150 psi for 30 minutes
NFPA 13 requires a test pressure of 200 psi for 2 hours.
5. Which sprinkler is designed for use in residential occupancies?
A. ESFR sprinkler
B. CMSA sprinkler
C. Residential sprinkler
D. Dry pendant sprinkler
Residential sprinklers are specifically designed for quick response in
homes.
6. A dry pipe system uses:
A. Water in the piping at all times
B. Pressurized air or nitrogen
C. Glycol solution
D. A fire pump
Air or nitrogen holds back water until the system activates.
7. What does ESFR stand for?
, A. Enhanced Safety Fire Response
B. Early Suppression Fast Response
C. Extra Standard Flow Rate
D. Emergency Sprinkler Fire Routing
ESFR sprinklers are used for high-challenge storage applications.
8. The main purpose of a backflow preventer is to:
A. Boost system pressure
B. Prevent contamination of the potable water supply
C. Remove air from sprinkler piping
D. Control flow to sprinkler heads
Backflow devices stop reversed water flow protecting potable water sources.
9. What type of valve is normally used as the main system control valve?
A. Gate valve only
B. OS&Y or butterfly valve
C. Check valve
D. Pressure-relief valve
OS&Y and butterfly valves provide visual indication of open/closed status.
10. A preaction system is often used in:
A. Parking garages
B. Warehouse storage
C. Computer rooms and sensitive areas
D. Commercial kitchens
Preaction systems require two events before water is released—ideal for
sensitive spaces.
