introduction to low voltage EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
A device that detects visible or invisible particles of
combustion is a _____________. - Correct Answers ✅Smoke
detector
Audible alarm indicators, for commercial spaces, must output
a minimum level of _____________dB at 10ft and be
_____________dB greater than the ambient noise level. -
Correct Answers ✅75dB, 15 dB
Carbon monoxide detectors are required in all
_______________________ - Correct Answers ✅residential
installations.
Class A circuits are four wire circuits that do not use end of
line devices. - Correct Answers ✅True
Duct detectors are installed _______________________. - Correct
Answers ✅as a means of shutting down airflow when smoke
is detected.
Emergency telephone must be part of the main telephone
system. - Correct Answers ✅False
End of line devices are required by addressable fire alarm
system - Correct Answers ✅False
,introduction to low voltage EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
Fire alarm circuit must be clearly labeled at every junction
and terminal connection. - Correct Answers ✅True
Fire alarm systems, classified for residential use, cannot be in
commercial spaces. - Correct Answers ✅True
Heat detectors are a suitable substitute for smoke detectors.
- Correct Answers ✅False
Heat detector are considered to be life-safety devices. -
Correct Answers ✅False
How can the number of devices on an analog addressable
circuit and the overall distance requirements from the control
panel to the farthest devices in the loop be determined? -
Correct Answers ✅It is determined by the manufacturer
Indicator devices are considered output devices from the
point of view of the control unit. - Correct Answers ✅True
Life safety is the primary goal of a fire alarm system. -
Correct Answers ✅True
, introduction to low voltage EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
Maximum allowable ceiling temperatures are typically
______________ less than the temperature rating of the heat
detector. - Correct Answers ✅20 degree Fahrenheit
Single conductor sizes for a power-limited fire alarm circuit
can not be smaller than - Correct Answers ✅18 AWG
Spacing of smoke detectors on flat surfaces can be a distance
of up to _________. - Correct Answers ✅30ft
Survivability requires a minimum rating of _______________ to
ensure the functional use of the system during a fire. -
Correct Answers ✅2 hours
The Class B system, for initiating devices, connects through a
two-wire circuit and ____________. - Correct Answers ✅Uses
an end of line devices
The fire alarm annunciator panel, monitors all input sensors
and initiating devices - Correct Answers ✅False
The power source for a nonpower-limited fire alarm system
cannot output voltages greater than _______________. -
Correct Answers ✅600V
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
A device that detects visible or invisible particles of
combustion is a _____________. - Correct Answers ✅Smoke
detector
Audible alarm indicators, for commercial spaces, must output
a minimum level of _____________dB at 10ft and be
_____________dB greater than the ambient noise level. -
Correct Answers ✅75dB, 15 dB
Carbon monoxide detectors are required in all
_______________________ - Correct Answers ✅residential
installations.
Class A circuits are four wire circuits that do not use end of
line devices. - Correct Answers ✅True
Duct detectors are installed _______________________. - Correct
Answers ✅as a means of shutting down airflow when smoke
is detected.
Emergency telephone must be part of the main telephone
system. - Correct Answers ✅False
End of line devices are required by addressable fire alarm
system - Correct Answers ✅False
,introduction to low voltage EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
Fire alarm circuit must be clearly labeled at every junction
and terminal connection. - Correct Answers ✅True
Fire alarm systems, classified for residential use, cannot be in
commercial spaces. - Correct Answers ✅True
Heat detectors are a suitable substitute for smoke detectors.
- Correct Answers ✅False
Heat detector are considered to be life-safety devices. -
Correct Answers ✅False
How can the number of devices on an analog addressable
circuit and the overall distance requirements from the control
panel to the farthest devices in the loop be determined? -
Correct Answers ✅It is determined by the manufacturer
Indicator devices are considered output devices from the
point of view of the control unit. - Correct Answers ✅True
Life safety is the primary goal of a fire alarm system. -
Correct Answers ✅True
, introduction to low voltage EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
Maximum allowable ceiling temperatures are typically
______________ less than the temperature rating of the heat
detector. - Correct Answers ✅20 degree Fahrenheit
Single conductor sizes for a power-limited fire alarm circuit
can not be smaller than - Correct Answers ✅18 AWG
Spacing of smoke detectors on flat surfaces can be a distance
of up to _________. - Correct Answers ✅30ft
Survivability requires a minimum rating of _______________ to
ensure the functional use of the system during a fire. -
Correct Answers ✅2 hours
The Class B system, for initiating devices, connects through a
two-wire circuit and ____________. - Correct Answers ✅Uses
an end of line devices
The fire alarm annunciator panel, monitors all input sensors
and initiating devices - Correct Answers ✅False
The power source for a nonpower-limited fire alarm system
cannot output voltages greater than _______________. -
Correct Answers ✅600V
