F80 F80 Fire Safety Systems 5

Question 1

A voice evacuation system is required in which type of building under NFPA 72?

Accepted Answer

High-rise buildings over 75 feet in height

Answer

Any building over 10,000 sq ft

Answer

All educational occupancies

Answer

Buildings with more than 50 occupants

Question 2

What is the primary difference between a smoke control system and a smoke exhaust system?

Accepted Answer

Smoke control maintains pressure differentials; exhaust mechanically removes smoke from a space

Answer

Smoke control uses water suppression; exhaust uses fans

Answer

Smoke control is passive; exhaust is active

Answer

Smoke control operates only in stairwells; exhaust only in corridors

Question 3

In a fire alarm system, what does the term 'initiating device circuit' (IDC) refer to?

Accepted Answer

The circuit that connects detectors, pull stations, and other input devices to the FACP

Answer

The wiring that powers the fire alarm control panel

Answer

The circuit connecting notification appliances like horns and strobes

Answer

The circuit used for remote annunciator panels

Question 4

Which NFPA standard specifically covers the inspection, testing, and maintenance of water-based fire protection systems?

Accepted Answer

NFPA 25

Answer

NFPA 13

Answer

NFPA 14

Answer

NFPA 20

Question 5

What is the purpose of an 'end-of-line' (EOL) resistor in a supervised fire alarm circuit?

Accepted Answer

To allow the FACP to detect open or short circuits on the initiating device circuit

Answer

To limit current to the notification appliances

Answer

To provide backup power to remote detectors

Answer

To terminate the high-voltage feed to the control panel

Question 6

When a fire sprinkler system is taken out of service for more than 10 hours in a 24-hour period, NFPA 25 requires:

Accepted Answer

Notification to the AHJ, the property owner, and the monitoring company, plus an impairment plan

Answer

Immediate notification to the fire marshal only

Answer

Shutdown of all HVAC systems in the building

Answer

Mandatory full evacuation of the building

Question 7

Which fire-resistive construction type under IBC provides the highest fire resistance rating for structural members?

Accepted Answer

Type I-A

Answer

Type II-B

Answer

Type III-A

Answer

Type V-A