When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Engine 51 - Wikipedia

   en.wikipedia.org/wiki/Engine_51

   They had 500-gallon booster tanks, as did Engine 51. In their outward appearance both E-51 and the LACoFD rigs were identical. All the County Ward rigs plus E-51 had Federal Q2B sirens and Grover Stutter-tone air horns. Because the engine did not meet LACoFD specs, the county would not accept the truck as a donation.

3. Air horn - Wikipedia

   en.wikipedia.org/wiki/Air_horn

   Thus, an outstretched hand reaching upward and pumping is a signal to the driver of an air horn equipped vehicle, requesting a toot. In modern trucks and buses, the horn is actuated by a button on the steering wheel (just like a normal car horn). Some trucks and buses have both electric and air horn, selectable by a switch on the dashboard.

4. Emergency vehicle equipment - Wikipedia

   en.wikipedia.org/wiki/Emergency_vehicle_equipment

   A fire truck uses an air horn to alert cars of its presence. Air horn - These devices force compressed air from the vehicle's air brake system against a diaphragm, creating a loud noise. Air horns used on emergency vehicles usually have a distinctive tone so they can easily be distinguished from other large vehicles, commanding urgency.

5. Fire alarm notification appliance - Wikipedia

   en.wikipedia.org/wiki/Fire_alarm_notification...

   Voice evacuation alarms typically are not as loud as horns or bells (although generally standards require the same minimum sound pressure levels), and usually sound an alarm tone (typically a slow whoop, code-3, or chime tone, although this depends on the country and particular application) and a voice message warning that an emergency has been ...

6. Electric arc furnace - Wikipedia

   en.wikipedia.org/wiki/Electric_arc_furnace

   An electric arc furnace (the large cylinder) being tapped Rendering of exterior and interior of an electric arc furnace. An electric arc furnace (EAF) is a furnace that heats material by means of an electric arc. Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron ...

7. Siren (alarm) - Wikipedia

   en.wikipedia.org/wiki/Siren_(alarm)

   An air compressor blows the air into one set of horns, and then it automatically switches to the other set. As this back and forth switching occurs, the sound changes tones. Its sound power varies, but could get as high as approximately 125 dB, depending on the compressor and the horns.

8. Squad 51 - Wikipedia

   en.wikipedia.org/wiki/Squad_51

   The "Squad 51" in the Los Angeles County Fire Museum is the last of three vehicles of that model used during the filming of Emergency!. The first was a 1972 D300 1 ton truck cab and chassis. This squad appeared in the first two seasons. An identical 1973 D300 appeared during the third season.

9. Leslie Controls - Wikipedia

   en.wikipedia.org/wiki/Leslie_Controls

   Leslie-Tyfon horns became the standard on most American railroads. [5] Leslie's horns were the most popular locomotive horns, and the standard for GM Electro-Motive Division models. Later, Leslie introduced the Type S Supertyfon, with three- and five-chime versions. The three-chime S3L was B, D#, A. Leslie sold more horns than competitor Nathan ...