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The Nathan model M5 pictured is a 5 chime horn. A train horn is an air horn used as an audible warning device on diesel and electric-powered trains. Its primary purpose is to alert persons and animals to an oncoming train, especially when approaching a level crossing. They are often extremely loud, allowing them to be heard from great distances.
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. This is a list of onomatopoeias, i.e. words that imitate, resemble, or suggest the source of the sound that they describe. For more information, see the linked articles. Human vocal sounds Achoo, Atishoo, the sound of a sneeze Ahem, a sound made to clear the throat or to draw attention ...
The cat will begin to associate the sound with the treat, and understand that the sound means they have done the right thing. Clicker training is popular in the cat training field because the clicker (or other sound) allows a trainer to tell the cat immediately when she has performed correctly, and makes it easier for the cat to identify ...
A train whistle or air whistle (originally referred to as a train trumpet or air trumpet) is an audible signaling device on a steam or gas locomotive, used to warn that the train is approaching, and to communicate with rail workers. Modern diesel and electric locomotives primarily use a powerful air horn instead of a whistle as an audible ...
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In rail transport, a wayside horn is an audible signal used at level crossings. They can be used in place of, or in addition to, the locomotive 's horn as the train approaches the crossing. They are often used in special railroad "quiet zones" in the United States , where the engineer is not required to sound the locomotive's horn at a crossing.
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Cats have one of the broadest ranges of hearing among mammals. [11] Humans and cats have a similar range of hearing on the low end of the scale, but cats can hear much higher-pitched sounds, up to 64 kHz, which is 1.6 octaves above the range of a human, and 1 octave above the range of a dog.