NICET Water-Based Fire Protection 2

Question 1

What is the maximum distance allowed between sprinkler heads in a light hazard occupancy under NFPA 13?

Accepted Answer

15 feet

Answer

NFPA 13 allows a maximum 15-foot distance between sprinkler heads in light hazard occupancies.

Question 2

A fire department connection (FDC) is used to:

Accepted Answer

Supply supplemental water to the sprinkler system

Answer

The FDC allows the fire department to pump supplemental water into the sprinkler system to augment or replace the building's water supply.

Question 3

What is the function of a check valve in a wet pipe sprinkler riser?

Accepted Answer

Prevent backflow of water into the water supply

Answer

A check valve prevents water in the sprinkler system from flowing back into the municipal water supply, protecting against contamination.

Question 4

In NFPA 13 hydraulic calculations, what does the term 'most demanding area' refer to?

Accepted Answer

The area requiring the greatest water flow and pressure

Answer

The most demanding area is the design area that requires the highest combination of flow and pressure from the water supply.

Question 5

What type of sprinkler is designed to direct water downward and is installed with the deflector facing down?

Accepted Answer

Pendent sprinkler

Answer

Pendent sprinklers hang below the pipe with the deflector facing downward, directing water in a hemispherical pattern below the sprinkler.

NICET - National Institute for Certification in Engineering Technologies Practice Test