F01 Fire Safety Systems 2

Question 1

What is the purpose of a pre-action sprinkler system, and how does it differ from a standard wet-pipe system?

Accepted Answer

Pre-action systems require two triggers (detector + sprinkler head heat) before water flows; wet-pipe systems release water immediately when a head opens

Answer

Pre-action systems use dry chemical agents; wet-pipe systems use water

Answer

Pre-action systems operate automatically; wet-pipe systems require manual activation

Answer

Pre-action systems are only used in parking garages; wet-pipe systems are used everywhere else

Question 2

When a sprinkler system control valve is closed for maintenance, what immediate compensatory measure is required by FDNY?

Accepted Answer

Assign a fire guard to patrol the affected area on required intervals

Answer

Post signs warning occupants of the impairment

Answer

Activate a temporary portable sprinkler system

Answer

Issue a building-wide evacuation order

Question 3

A building's fire alarm control panel shows a supervisory signal. What does this indicate?

Accepted Answer

A system component (such as a sprinkler valve) is in an abnormal position but no fire has been confirmed

Answer

A fire has been detected in the building

Answer

The fire alarm battery backup is depleted

Answer

A fire alarm test is currently in progress

Question 4

What is the function of a sprinkler system flow switch?

Accepted Answer

It detects water movement in the pipes (indicating a head has opened) and sends an alarm signal to the fire alarm panel

Answer

It manually opens the main control valve

Answer

It controls water pressure in the sprinkler system

Answer

It shuts down the HVAC system automatically when a fire is detected

Question 5

If a portable fire extinguisher mounted on the wall has a broken or missing inspection tag, what should the F-01 fireguard do?

Accepted Answer

Remove it from service and obtain a replacement with a current inspection tag

Answer

Use the extinguisher normally since the pressure gauge indicates it is charged

Answer

Write the current date on the tag holder and continue the shift

Answer

Report it to building management and continue using it until they respond

Question 6

What is the minimum water supply duration (in minutes) that a standard commercial sprinkler system must be designed to provide?

Accepted Answer

30 minutes

Answer

10 minutes

Answer

60 minutes

Answer

120 minutes