Semi-trucks, also known as tractor-trailers, are heavy haulers used to carry goods and merchandise across large distances. In addition to the type of goods they carry and the distance they travel, semi-trucks are also known for their loud noise. If you’ve ever heard a semi-truck driving by, you know that it can make quite an impression. But how loud is a semi-truck?
The decibel level of a semi-truck is not an exact science and can vary depending on the size of the truck, its engine type, road conditions, etc. Generally speaking though, most semi-trucks are around 90 decibels. To put that into perspective, 90 decibels is about as loud as a lawnmower or motorcycle. It’s not quite as loud as a chainsaw or jackhammer (which range from 100-120 decibels), but it’s still fairly loud.
In terms of human hearing and safety, 90 decibels is considered the threshold of pain. That means that if you’re standing too close to a semi-truck while it’s moving at high speeds (or revving its engine), it could cause damage to your ears over time. That’s why it’s important to keep your distance when hearing a semi-truck drive by and to always wear protective ear gear (like earplugs) if you have to be near one.
Overall, the noise created by a semi-truck can be both impressive and intimidating. Most modern trucks have taken steps to reduce noise pollution with improved exhaust systems and engine designs, but there are still many older models that can reach up to 95 decibels. While 95 decibels is still considered safe for short periods of time (less than 15 minutes), any longer exposure should be avoided in order to protect one’s hearing.
In conclusion, the average noise level created by most semi-trucks is around 90 decibels – which is considered the threshold of pain for human ears – though some older models may reach up to 95 decibels. It’s important to keep your distance when hearing a semi truck drive by and to always wear protective ear gear if you need to be near one in order to protect your hearing.
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