Alarm systems and smoke alarms
latest questions and answers
Fire alarm control panel
A manual pull station
Audible signal device - ✔✔A basic fire alarm system must contain what
components
Conventional field devices
Active field devices - ✔✔Field devices can be separated into what two
categories
Wattage and decibel output - ✔✔What are alarm sirens rated in?
Milliampere - ✔✔The Class B fire alarm circuit provides electrical
supervision with a continuous supervisory current.
What is the range of the supervising current?
5 to 7 - ✔✔Modern alarm systems may utilize window screens which
will provide alarm protection with the window open. This ingenious and
cost effective method utilizes a screen that has fine insulated wires
running through it in parallel paths about __________ to __________
cm apart.
, Smoke detectors - ✔✔What does a Class B detection circuit in a fire
alarm system contain?
False - ✔✔There are normally four conditions to be considered in a fire
alarm system. They are a normal condition, a manual pullstation
condition, a trouble condition and a supervisory condition. T/F
Trouble - ✔✔What condition is created when a short circuit occurs
across the conductors in a Class B signal circuit?
best to install detectors with both features - ✔✔Which type of smoke
alarm is the best type to install in a residence?
9 volts - ✔✔What is the voltage of the signal through the traveller
conductor putting other smoke alarms into the alarm status?
Movement - ✔✔What does a microwave motion detector measure?
Alarm - ✔✔What condition is created when a short circuit occurs across
the conductors in a Class B detection circuit?
Bells - ✔✔What does a Class B signal circuit in a fire alarm system
contain?
latest questions and answers
Fire alarm control panel
A manual pull station
Audible signal device - ✔✔A basic fire alarm system must contain what
components
Conventional field devices
Active field devices - ✔✔Field devices can be separated into what two
categories
Wattage and decibel output - ✔✔What are alarm sirens rated in?
Milliampere - ✔✔The Class B fire alarm circuit provides electrical
supervision with a continuous supervisory current.
What is the range of the supervising current?
5 to 7 - ✔✔Modern alarm systems may utilize window screens which
will provide alarm protection with the window open. This ingenious and
cost effective method utilizes a screen that has fine insulated wires
running through it in parallel paths about __________ to __________
cm apart.
, Smoke detectors - ✔✔What does a Class B detection circuit in a fire
alarm system contain?
False - ✔✔There are normally four conditions to be considered in a fire
alarm system. They are a normal condition, a manual pullstation
condition, a trouble condition and a supervisory condition. T/F
Trouble - ✔✔What condition is created when a short circuit occurs
across the conductors in a Class B signal circuit?
best to install detectors with both features - ✔✔Which type of smoke
alarm is the best type to install in a residence?
9 volts - ✔✔What is the voltage of the signal through the traveller
conductor putting other smoke alarms into the alarm status?
Movement - ✔✔What does a microwave motion detector measure?
Alarm - ✔✔What condition is created when a short circuit occurs across
the conductors in a Class B detection circuit?
Bells - ✔✔What does a Class B signal circuit in a fire alarm system
contain?
