OME 3343 Thermodynamics Dr. A. Abtahi

"Monster Tire" Pressure

The load carried by the six large tires of a fully-loaded strip-mine-hauler is 180,000kg. We might expect the air pressure in the tires to be great. While it is not possible to calculate the precise pressures, by knowing the tire dimensions an approx­imate calculation is possible.

Under normal conditions we would expect each tire to support one-sixth of the load - 30,000kg. For a system, dimensions of a single tire are given.

Estimate the least air pressure in each tire of the loaded hauler.