On average Detroit's firefighters, police officers and other city employees receive pension checks that are similar or slightly smaller in size than the national average of $30,000 a year, according to pension experts.
Steam-Methane Reforming. Most hydrogen produced today in the United States is made via steam-methane reforming, a mature production process in which high-temperature steam (700Â°Câ1,000Â°C) is used to produce hydrogen from a methane source, such as natural gas.
Step 6. Set up the problem and solve. EP = 100 psi - 100 psi + 30 psi. The engine pressure needs to be 30 pounds per square inch for a desired nozzle pressure of 100 pounds per square inch in this hose lay.