Are sacrifical anodes only used where two dissimilar metallic parts are in contact with eachother in an electrolyte, or are they beneficial in protecting a stand alone, single metal part from corrosion due to sulfuric acid. Process I'm talking about is continuous anodizing of an aluminum strip...
I'm basically a machine design engineer, but have been asked a question re boilers (industrial), namely does boiler HP change with boiler pressure.
If we have a 200 hp, 200 psi boiler and operate it at 20 psi, does the actual hp go down? All the info I have found on the web says pressure has...