You may be an engineer if you answer yes to 20 or more: 

--Dilbert is your hero. 
--You stare at an orange juice container because it says "concentrate." 
--You want an 8X CDROM for Christmas. 
--You can name six Star Trek episodes. 
--The only jokes you receive are through e-mail. 
--Your wrist watch has more computing power than a 486DX2-50. 
--Your idea of good interpersonal communication means getting the
  decimal point in the right place. 
--You look forward to Christmas only to put together the kids' toys. 
--You introduce your wife as "mylady@home.wife." 
--Your spouse sends you an e-mail instead of calling you to dinner. 
--You can quote scenes from any Monty Python movie. 
--You use a CAD package to design your son's Pine Wood Derby car. 
--You have used coat hangers and duct tape for something other than
  hanging coats and taping ducts. 
--If, at Christmas, it goes without saying that you will be the one
  to find the burnt-out bulb in the string. 
--If you window shop at Radio Shack. 
--Your ideal evening consists of fast-forwarding through the latest
  Sci-Fi movie looking for technical inaccuracies. 
--You have "Dilbert" comics displayed anywhere in your work area. 
--You carry on a one-hour debate over the expected results of a
  test that actually takes five minutes to run. 
--You are convinced you can build a phaser out of your garage door
  opener and your camera's flash attachment. 
--You don't even know where the cover to your personal computer is. 
--You have modified your can-opener to be microprocessor driven. 
--You know the direction the water swirls when you flush. 
--You own "Official Star Trek" anything. 
--You have ever taken the back off your TV just to see what's inside. 
--A team of you and your co-workers have set out to modify the
  antenna on the radio in your work area for better reception. 
--You ever burned down the gymnasium with your Science Fair project. 
--You are currently gathering the components to build your own
  nuclear reactor. 
--You own one or more white short-sleeve dress shirts. 
--You have never backed-up your hard drive. 
--You are aware that computers are actually only good for playing
  games, but are afraid to say it out loud. 
--You truly believe aliens are living among us. 
--You have ever saved the power cord from a broken appliance. 
--You have ever purchased an electronic appliance "as-is". 
--You see a good design and still have to change it. 
--The salespeople at Circuit City can't answer any of your questions. 
--You still own a slide rule and you know how to work it 
--The thought that a CD could refer to finance or music never enters
  your mind. 
--You own a set of itty-bitty screw drivers, but you don't remember
  where they are. 
--You rotate your screen savers more frequently than your automobile
  tires. 
--You have a functioning home copier machine, but every toaster you
  own turns bread into charcoal. 
--You have more toys than your kids. 
--You need a checklist to turn on the TV. 
--You have introduced your kids by the wrong name. 
--You have a habit of destroying things in order to see how they work. 
--If your I.Q. is higher than your weight. 
--The microphone or visual aids at a meeting don't work and you rush
  up to the front to fix it. 
--You can remember seven computer passwords but not your anniversary. 
--You have memorized the program schedule for the Discovery Channel
  and have seen most of the shows already. 
--You have ever owned a calculator with no equal key and know what
  RPN stands for. 
--Your father sat two inches in front of your family's first color
  TV with a magnifying lens to see how they made the colors, and
  you grew up thinking that was normal. 
--You know how to take the cover off of your computer, and what
  size screw driver to use. 
--You can type 70 words per minute but can't read your own handwriting. 
--People groan at the party when you pick out the music. 
--You can't remember where you parked your car for the third time
  this week. 
--You did the sound system for your senior prom. 
--Your checkbook always balances. 
--Your wristwatch has more buttons than a telephone. 
--You have more friends on the Internet than in real life. 
--You thought the real heroes of "Apollo 13" were the Mission
  Controllers. 
--You think that when people around you yawn, it's because they
  didn't get enough sleep. 
--You spend more on your computer than your car. 
--You know what HTTP stands for. 
--You've ever tried to repair a $5.00 radio. 
--You have a neatly sorted collection of old bolts and nuts in your
  garage. 
--Your three-year-old son asks why the sky is blue and you try to
  explain atmospheric absorption theory. 
--Your four basic food groups are: Caffeine, Sugar, Fat, Chocolate.