Contrary to popular belief, editing files online can be trouble-free. Sure, some file formats might appear too hard with which to work. But if you get the right solution, like DocHub, it's straightforward to modify any file with minimum resources. DocHub is your go-to tool for tasks as simple as the option to Diagram Period Letter For Free a single document or something as intimidating as dealing with a massive pile of complex paperwork.
When it comes to a solution for online file editing, there are many solutions on the market. However, not all of them are powerful enough to accommodate the needs of people requiring minimum editing capabilities or small businesses that look for more advanced features that enable them to collaborate within their document-based workflow. DocHub is a multi-purpose service that makes managing paperwork online more simplified and easier. Try DocHub now!
Hi there, and welcome to this lecture on process flow diagrams, letter and number designations. My name is Marina Miletic. In this lecture, well look more closely at the letter and number representations for equipment. Lets go back to our original process flow diagram for the production of ethylene oxide. You may have noticed that next to each piece of equipment, theres a unique letter followed by a dash and a 3-digit number designation. This is because for identification purposes, each piece of equipment is given a letter and number. As an example, lets look at heat exchanger E-101. The letter is the abbreviation for the type of equipment, whether its a compressor, tower, heat exchanger, reactor, turbine, or furnace. All heat exchangers are designated by the letter abbreviation E. Just to review, the letter designations for all pieces of equipment are shown here. As part of the letter and number designation, the letter must be followed by a dash, followed by a 3 or sometimes 4 d