Water-Based Fire Protection Flashcards
6 cards from real NICET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Water-Based Fire Protection flashcards as text
What is the maximum distance allowed between sprinkler heads in a light hazard occupancy under NFPA 13?
Answer: 15 feet
NFPA 13 allows a maximum 15-foot distance between sprinkler heads in light hazard occupancies.
A fire department connection (FDC) is used to:
Answer: Supply supplemental water to the sprinkler system
The FDC allows the fire department to pump supplemental water into the sprinkler system to augment or replace the building's water supply.
What is the function of a check valve in a wet pipe sprinkler riser?
Answer: Prevent backflow of water into the water supply
A check valve prevents water in the sprinkler system from flowing back into the municipal water supply, protecting against contamination.
In NFPA 13 hydraulic calculations, what does the term 'most demanding area' refer to?
Answer: The area requiring the greatest water flow and pressure
The most demanding area is the design area that requires the highest combination of flow and pressure from the water supply.
What type of sprinkler is designed to direct water downward and is installed with the deflector facing down?
Answer: Pendent sprinkler
Pendent sprinklers hang below the pipe with the deflector facing downward, directing water in a hemispherical pattern below the sprinkler.
What minimum clearance must be maintained between the top of storage and sprinkler deflectors under NFPA 13?
Answer: 18 inches
NFPA 13 requires a minimum 18-inch clearance between the top of storage and sprinkler deflectors to ensure proper water distribution.