What EU regulation do fire detection and fire alarm systems follow?
EN 54
EN 50
EN 55
EN 52
What smoke detector is more effective for detecting smouldering fires?
Photoelectric
Carbon Monoxide
Ionisation
None of the above
Smoke detectors need to be tested every 30 60 90 365( 30, 60, 90, 365 ) days and the batteries must be changed every 6 3 12 2( 6, 3, 12, 2 ) months.
A B class fire extinguisher would be appropriate to use for which of the following fires?
Grease
Paper
Wood
Electrical
What kind of smoke detectors constantly give off false alarms?
Combination
At least how many smoke alarms should be in a two-story house?
1
2
3
4
How often should a smoke alarm be replaced?
5 years
10 years
Only when it breaks
Never
An ionisation smoke alarm works by ionising the air between 2 which are positively and negatively charged, this creates a small current inside the chamber.
Heat detectors react slower than smoke detectors in detecting fires.
Ionisation smoke alarms are generally less more( less, more ) reactive than photoelectric smoke alarms.
What is the most common cause of fire in homes?
Cooking
Smoking in bedrooms
Electrical Equipment
Candles
Cleaning with a vacuum cleaner to remove particles that will affect smoke alarm performance should be done once a .
What frequency do smoke alarms usually sound at?
3200 Hz
2400 Hz
4100 Hz
1500 Hz
Regular smoke alarms can detect carbon monoxide.
Smoke alarms can be installed on the wall provided they are fitted between mm and mm below the ceiling.