1. (Units) a unit of heat in the fps system equal to the quantity of heat required to raise the temperature of 1 pound of water by 1Â°F. 1 British thermal unit is equivalent to 1055.06 joules or 251.997 calories.
Quick Answer. A major factor that usually causes tire noise is the air chamber inside the tire. The large void that is filled with air acts as a giant resonance chamber. Thus, the tires are something like donut-shaped drums that generate a low-frequency hum when tires are rolling.
can bald tires cause road noise?!?! Hey guys so just last night my car started making a dragging noise going down the road sounds like its coming from tthe front. Just replaced wheel bearings about 2 months ago so I'm pretty sure its not that.. Also the noise started from about 70-80ish lms its not humming its like a dragging constant sound tires have been bald for a little while now lol. Please help me solve my stupid car issues!