However, you may have noticed that a fire apparatus like a truck, quint, or engine may have a different siren sound than a police car or ambulance. So, why does a fire truck siren like a Q-Siren ...

When emergency service vehicles are deployed, it's a good idea to pay attention to what they're doing and the sounds they make.

Zeek estimated the siren would have sound only about 20 times. Sirens will blow if there is a fire, a mass casualty accident or a widespread emergency such as a gas leak, Zeek said. Wertz offered ...