What is the difference between smoke detectors and smoke alarms quizlet?
Smoke detectors must transmit a signal to another device that sound the alarm. D. Smoke alarms are only capable of sounding an alarm, but able to dectect the presence of smoke. Which types of detectors use a light beam that passes through a small chamber at a point away from the light source?
What is the difference between smoke detectors and smoke alarms?
Smoke alarms are widely used in residential settings. Put simply, a smoke alarm detects smoke and sounds an alarm. Put simply, a smoke detector senses smoke only and must be connected to a fire alarm system control panel. Smoke detectors are a detection device only – not an alarm.
What style fire detection device can be the least prone to false alarms but can be the slowest to activate?
Heat detectors
Which type of smoke detector uses a light beam that passes through a small chamber at a point away from the light source?
Photoelectric smoke alarms Photoelectric alarms work using a photoelectric sensor and a light source. As smoke enters the chamber and crosses the path of the light beam, light is scattered by the smoke particles, aiming it toward the sensor, which in turn triggers the alarm.
Which detector contains a small amount of radioactive material?
Ionization chamber smoke detectors
How fast must the temperature rise in one minute to activate a rate rise heat detector?
15o F
Why are there no smoke detectors in my garage?
When placed in garages, smoke detectors may alarm frequently due to car exhaust fumes and excessive dust. The frequent alarms can become a nuisance and may damage the internal sensor of the alarm, causing it to not work properly over time.
How do most garage fires start?
Electrical malfunction is the leading cause of garage fires. These fires start because of shorts in wires, damaged wires, and overloading electrical outlets. Garage fires can spread farther, go undetected longer, and lead to more injuries and dollar loss than fires that originate in other areas of your home.
Can a garage door opener catch fire?
that said the affected openers have a relay in the light control circuit of the control board that can fail, cause the relay to overheat and potentially catch fire. …