Bomi: Air Handling, Water Treatment & Plumbing Systems 437 Correctly Answered Questions Latest Update

1 - Why does water have the ability to absorb large amounts of heat? {Ans: The strong internal forces that must be overcome to break water molecules apart is the reason why water absorbs so many Btu of heat before changing from one state to another.}Key Concept Chapter 8 {Ans: }5 - What is galvanic corrosion? {Ans: Galvanic corrosion is an electrochemical reaction that occurs when two different metals are in contact.}14 - How do most buildings reduce infiltration and control and monitor ventilation rates? {Ans: By maintaining positive pressure.}7 - What chemical is used to retard scale formation? {Ans: Phosphate}3 - What is corrosion {Ans: Corrosion is a process in which metal is eaten away and turned into rust. Corrosion can be caused by certain chemicals in water, dissolved gases in water, or particles that scrape the metal as they flow by.}