FLSD Building Systems and Elevators 3

Question 1

What is the purpose of a 'Class E' fire alarm system in NYC high-rise office buildings?

Accepted Answer

A voice communication system for floor-by-floor announcements and two-way communication

Answer

An automatic sprinkler monitoring system only

Answer

A suppression system for elevator machine rooms

Answer

A system that automatically calls FDNY without sounding an audible alarm

Question 2

Stairwell pressurization systems in high-rise buildings are designed to:

Accepted Answer

Push air into stairwells to prevent smoke infiltration during evacuation

Answer

Lock stairwell doors during fire emergencies to prevent occupant entry

Answer

Activate sprinklers in stairwells to cool them during fire

Answer

Automatically unlock all stairwell doors when alarms activate

Question 3

Which type of sprinkler head responds fastest to heat and is typically used in high-hazard areas?

Accepted Answer

Quick response sprinkler (RTI ≤ 50)

Answer

Standard response sprinkler (RTI > 80)

Answer

Extended coverage sprinkler

Answer

Dry pipe sprinkler

Question 4

When a smoke detector activates in an elevator machine room, the elevator system should automatically:

Accepted Answer

Return all elevators to the lobby and prevent them from returning to the machine room floor

Answer

Continue normal operation until FDNY arrives

Answer

Shut down all elevator motors immediately in place

Answer

Switch all elevators to Phase II firefighter operation

Question 5

A high-rise building's roof exhaust fans are part of the smoke control system. During a fire, they are used to:

Accepted Answer

Exhaust smoke from the building to assist in visibility and evacuation

Answer

Cool the roof structure to prevent fire spread

Answer

Supply fresh air to the fire floor for firefighter operations

Answer

Pressurize the building above the fire floor

Question 6

The FLSD notices that a sprinkler control valve in the basement has been shut off. The correct action is to:

Accepted Answer

Post a fire watch and document the impairment in the fire safety log

Answer

Reopen the valve immediately without documentation

Answer

Notify FDNY and request an impairment permit, then arrange immediate repair

Answer

Inform building management and wait for scheduled maintenance