F02 Sprinkler Systems

Question 1

What type of sprinkler system uses pressurized air in the pipes and only fills with water when activated?

Accepted Answer

Dry pipe system

Answer

Wet pipe system

Answer

Deluge system

Answer

Pre-action system

Question 2

What temperature rating do most standard sprinkler heads activate at?

Accepted Answer

135-165°F

Answer

100°F

Answer

212°F

Answer

300°F

Question 3

What is the purpose of a fire department connection (FDC) on a sprinkler system?

Accepted Answer

To allow the fire department to supplement the water supply to the system

Answer

To drain the sprinkler system

Answer

To test sprinkler heads

Answer

To connect the alarm panel to FDNY

Question 4

What does a tamper switch on a sprinkler control valve do?

Accepted Answer

Sends an alarm signal when the valve is closed or partially closed

Answer

Measures water flow

Answer

Controls water temperature

Answer

Activates the sprinkler heads

Question 5

How many sprinkler heads typically must activate before a water flow alarm is triggered?

Accepted Answer

Just one head

Answer

All heads in the zone

Answer

At least 5 heads

Answer

At least 3 heads

Question 6

What is the main advantage of a wet pipe sprinkler system?

Accepted Answer

It is the simplest and most reliable type with the fastest response time

Answer

It works in freezing temperatures

Answer

It uses less water than other systems

Answer

It can be manually controlled