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Flashcards in FA2 Deck (27):
1

List three signals produced by a fire alarm system.

alarm, supervisory, trouble

2

Opens and grounds on a fire alarm circuit will result in a(n) ___ signal.
a. alarm b. guard's tour
c. supervisory d. trouble

d. trouble

3

Alarm signals are indicative of a(n) _____.
a. fire or other life-threatening emergency
b. ground fault
c. loss of AC power
d. open circuit

a. fire or other life-threatening emergency

4

A valve temper switch, when actuated, will produce a(n) ____ signal.
a. alarm b. guard's tour
c. supervisory d. trouble

c. supervisory

5

Duct smoke detectors are sometimes permitted ot cause a(n) ____ signal in place of an alarm signal.
a. guard's tour b. MMS
c. supervisory d. trouble

c. supervisory

6

An emergency communication system (ECS) can be used to warn occupants of a _____.
a. fire b. terrorist attack
c. tornado d. all of the above

d. all of the above

7

Section ____ of the NFPA 72 requires all circuits to be monitored for integrity.
a. 10.17.1.1 b. 12.3
c. 12.6 d. 12.4

c. 12.6

8

Wiring between enclosures is NOT Required to be monitored for integrity if the enclosures are less than ___ apart and the wiring is ___.
a. 10' / exposed
b. 20' / exposed
c. 20' / installed in conduit
d. 10' / installed in conduit

c. 20' / installed in conduit

9

Name the three types of fire alarm circuits.

initiating device, signaling line, notification appliance.

10

Initiating device circuits and notification appliance circuits monitor for integrity by ______.
a. a small current through the circuit
b. blocking diodes
c. device polling
d. interrogation

a. a small current through the circuit

11

Describe why T-tapping is NOT permitted on initiating device circuits, notification appliance circuits, and Class A signaling line circuits.

It can result in disconnected devices without indication of a trouble signal.

12

Signaling line circuits monitor for integrity by _____.

controls that are programmed.

13

Notification appliances commonly use a(n) ___ to prevent monitoring current to pass through the notification appliance circuitry.
a. band pass filter b. blocking diode
c. end-of-line capacitor d. end-of-line resistor

b. blocking diode

14

All devices on signaling line circuits have unique addresses. True or False

True

15

Which circuit class is considered as "fail safe"?
a. Class A b. Class B
c. Class C d. Class D

d. Class D

16

Conductors returning to the control unit from the last field device on the circuit might indicate ____.
a. Class A circuit b. Class B circuit
c. Class E circuit d. Class C circuit

a. Class A circuit

17

Secondary power supplies must supply power to protected-premises fire alarm systems for a minimum of ____.
a. 72 hours of standby followed by 5 minutes of alarm
b. 36 hours of standby followed by 5 minutes of alarm
c. 24 hours of standby followed by 5 minutes of alarm
d. 12 hours of standby followed by 5 minutes of alarm

c. 24 hours of standby followed by 5 minutes of alarm

18

Secondary power supplies must supply power to an in-building fire emergency voice/alarm communications fire alarm system for a minimum of ____.
a. 24 hours of standby followed by 15 minutes of alarm
b. 24 hours of standby followed by 5 minutes of alarm
c. 48 hours of standby followed by 15 minutes of alarm
d. 48 hours of standby followed by 5 minutes of alarm

a. 24 hours of standby followed by 15 minutes of alarm

19

Where an engine-driven generator is used to provide secondary power, a minimum of ___ hours of batteries are required. Why?

4 hours / in case generator doesn't start

20

If a system standby (quiescent) load is 350 milliamperes and the alarm load is 1.100 amperes, what is the required capacity of a battery used for a secondary power supply.

10.19 A

21

The disconnecting means (branch circuit) for the primary power of a fire alarm system must be ____.
a. black b. orange
c. red d. white

c. red

22

Which of the following is an example of an installer who is "qualified and experienced" under the requirements of NFPA 72?
a. certified by state or local authority
b. IMSA certified
c. NICET certified
d. all of the above

d. all of the above.

23

The Code requires the maximum normal operating temperature limits for most fire alarm equipment to be between _____.
a. 0°F and 120°F b. 32°F and 120°F
c. 0°F and 100°F d. 32°F and 100°F

b. 32°F and 120°F

24

Fire alarm control equipment requires a smoke detector for protection when the controls are ____
a. connected to a supervising station
b. located in a fully sprinklered building
c. located in a non-sprinklered building
d. located in an area that is not continuously occupied.

d. located in an area that is not continuously occupied.

25

Which of the following documentation must be provided to the authority having jurisdiction at the completion of a fire alarm installation?
a. Record of certification
b. Record of completion
c. Record of documentation
d. Record of installation

b. Record of completion

26

Which of the following circuits is not required to be monitored for integrity?
a. Class A b. Class B
c. Class E d. Class X

c. Class E

27

Upon detection of a trouble condition, fire alarm system controls must initiate a trouble signal within _____.
a. 100 seconds b. 150 seconds
c. 200 seconds d. 300 seconds

c. 200 seconds