researched and explained answers
Which is not an operating principle of a heat detector? - CORRECT ANSWERS-Photoelectric
Rate compensation - CORRECT ANSWERS-Which is not a type of smoke detector?
Ionizing detectors - CORRECT ANSWERS-radiation detection instruments used in particle physics to
detect the presence of ionizing particles
True - CORRECT ANSWERS-Ionizing detectors contain a small amount of radioactive material.
Fire signature - CORRECT ANSWERS-Fire produces a variety of environmental changes in the
environment. Any products or result of a fire that changes the ambient condition is called a__________.
Ionizing and Rate-of-rise - CORRECT ANSWERS-Which is not a type of flame detector?
4 - CORRECT ANSWERS-When mounting a spot-type heat detector on a wall, the top of the detector
should not be placed any closer than ________ inches to the ceiling.
12 - CORRECT ANSWERS-When mounting a spot-type het detector on a wall, the top of the detector
should not be placed any farther than ________ inches from a ceiling.
One special application for fire detectors is________. - CORRECT ANSWERS-Smoke detection in an air
duct, Closure of smoke doors, Control of a pre-action fire suppression system, Control of a deluge fire
suppression system.
, True - CORRECT ANSWERS-Reliability is the measure of the certainty that the system will provide the
appropriate response to the conditions that occur, as they occur, during the defined lifetime of the
system
Design, Installation, Equipment, and Maintenance. - CORRECT ANSWERS-Identify the four things that
contribute to the reliability of an alarm system.
Inspection - CORRECT ANSWERS-A close look to check an item without causing it to perform its function
Test - CORRECT ANSWERS-Process where the device is provided a stimulus to determine if it is
functional
Sensitivity measurement - CORRECT ANSWERS-The quantitative measurement and recording of the
stimulus necessary to achieve an alarm signal from the device.
Acceptance test - CORRECT ANSWERS-Every initiating device is provided an appropriate stimulus that
simulates the existence of a fire.
Re-acceptance test - CORRECT ANSWERS-Test performed after modifications have been made.
Public Notification Alliance - CORRECT ANSWERS--Occupants or inhabitants of the protected area.
-Audible and visual signals by a fire alarm system, emergency voice alarm system, emergency
communication system or mass notification system.
Decibels - CORRECT ANSWERS--Sound pressure levels
-Measurements of audible appliance
Source Intensity and Illumination at some distance from the source - CORRECT ANSWERS-Which two
factors affect the performance of visual notification appliances?