Typically, it's a ringing bell which tend to be quite loud, or a distinct siren/klaxon.
Typically, it's a ringing bell which tend to be quite loud, or a distinct siren/klaxon.
A fire alarm is usually the constant ringing of a bell or bells
It is used in fire alarm and in earthquake alarm.
it is used in fire alarm .
It depends on the type of fire alarm and how loud it is set to and where it actually is. If it is a loud, high pitched alarm then yes it may cause some temporal hearing loss but I doubt permanent.
Fire alarm sound,anbulance siren sound,alarm bell sound and car theft alarm.
To meet fire code requirements, an emergency alarm must be a "distinctive" signal, so it will not be confused for something ordinary.
Sound is measured in decibels. Decibels are units used to measure the intensity of sound. The highest decibel alarm clock available is 120 decibels, which can be compared to be as loud as the sound of a fire engine siren.
an alarm bell
Fire bells are made from metals so that the bell can be heard for long distances. If the bell was made from wood the sound would not carry or be very loud at all.
An alarm bell is a bell which can be set to alert someone at a pre-set time, or a warning of imminent danger.