CDC 3E051A Vol.2 Unit 4

What voltage does a fire alarm system operate on, and what additional power source does the panel have?

A) 24 VDC, battery backup.
B) 12 VDC, battery backup.
C) 12 volts, direct current (VDC), backup circuit.
D) 24 VDC, backup circuit.

What is defined as a situation, environmental state, or equipment state of a fire alarm?

A) Situation.
B) Alarm.
C) Trouble.
D) Condition.

What situation would cause the fire department dispatch center to receive a supervisory alarm?

A) Someone disables the fire suppression system.
B) Initiating device operates.
C) Ground on a circuit.
D) Open in a circuit.

Where in a facility will a pull station be located?

A) Next to fire alarm control panel.
B) In every room.
C) Near exits and in exit stairwells.
D) Mechanical room.

What type of automatic detector is susceptible to false alarms in  dusty environments?

A) Ion Smoke detector.
B) Wavelength detector.
C) Heat detector.
D) Photoelectric Smoke detector.

What monitors the air in a heating, ventilation, and air conditioning (HVAC) system for signs of fire?

A) Duct detector.
B) Flow detector.
C) Smoke detector.
D) Heat detector.

Where is the end of line resistor in a Class A circuit?

A) Not used.
B) At the end of the circuit.
C) In the middle of the circuit.
D) In the panel.

What is used in larger facilities to expand the notification appliance circuit (NAC)?

A) Amp panel.
B) Initiating device circuit extender.
C) Power amplifier.
D) Booster panel

What is the polarity of a notification appliance circuit (NAC) that has been activated?

A) Forward.
B) Alternating.
C) None of the above.
D) Reverse.

How is an addressable circuit supervised?

A) The same as in a conventional system.
B) The detectors "Talk" to the fire alarm control panel (FACP).
C) The FACP broadcasts messages to all the detectors.
D) The detectors relay message to the FACP.

How are addressable detectors and modules assigned an address?

A) Using manufacturer software.
B) Device address is set when they are manufactured.
C) By turning two rotary switches on the device.
D) Setting "dip" switches on the device.

What commercial code specifies or mandates maintenance requirements for fire protection system?

A) United Facilities Criteria (UFC) 3-601-02.
B) NFPA 70.
C) National Fire Protection Association (NFPA) 72
D) UFC 4-021-01.

How often are devices normally calibrated?

A) Every five years.
B) Semi-annually.
C) Every two years.
D) Annually.

Why do mass notification systems have priority over fire alarm systems?

A) Each condition is processed on a case by case basis.
B) This is a false statement, fire alarm systems have priority.
C) Perpetrators have been know to use the fire alarm system as a means of attack.
D) Both system functions independently.

What color is the globe of a mass notification system (MNS) strobe in an Air Force facility?

A) Clear
B) Green
C) Amber
D) Red

What wattage is the maximum size of speaker used by an in-building mass notification system (MNS) without approval by the authority having jurisdiction (AHJ)?

A) 8 watts.
B) 25 watts.
C) 12 watts.
D) 15 watts.