Question

Air horn is allowed on high ways but banned within cities. Why?

• A. They are cheap and hence popular
• B. They are not available in the cities
• C. They produce high frequency sound
• D. They are fitted only in trucks

Answer 1

The correct option is C

They produce high frequency sound

Air horns produce high frequency sound. This helps in better reach in highways while it causes irritation in populated areas like cities.