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 ...

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 ...