[kirant]

I graduated Engineering (Chem/Biomed, though not using the degree at the moment as I'm moving to the Medical Physics program) and really can't say much about what you might find in each field myself but talking to my friends the past year or so has given me this:
- Civil and Petroleum are much more focused. They have their obvious field of interest and where you'd likely work. Petroleum in particular does a lot of reservoir simulation...at least, it does in your degree. I've seen a lot some engineers work on those in the work place to help analyze the productivity of a well.
- Mechanical seems a bit more general and you might be able to float between different fields. My friends from Mechanical are all over the place. Even the last few profs I had mentioned it and stated that they courses similar in nature to both Chemical and Civil but just don't take some of the more specialized courses (such as phase separation in Chemical).