The Coffee Break Quiz - A challenging selection of General Engineering questions and answers Sometimes you just don't know what you don't know, but you're sure that you did know or that you should know and when you see the answers you know that once upon a time you probably did know !

Challenge your colleagues - can they answer more than you

  1. In Mechanical Engineering - a mechanical device typically consisting of an eccentric curved wheel mounted on a rotating shaft which produces variable motion in another engaged part is called - a) a Dam  b) a Sam  c) a Mam  d) a Cam
  2. In Mechanical Engineering - a Chamfer is typically described as two flat surfaces butting up against each other - True or False
  3. An oxide is a chemical compound that contains at least one oxygen atom and one other element - True or False
  4. Considering computer terminology - Created in Bell Labs in the 1960's, UNIX stands for Unified Network Including External (hard drive) - True or False
  5. Hysteresis is the dependence of a system not only on its current environment but also on its past environment - True or False
  6. Alnico is an acronym referring to a family of iron alloys which in addition to iron are composed primarily of aluminium  (Al), nickel  (Ni) and cobalt  (Co), hence al-ni-co - True or False
  7. A Microphone is a mechanical device that converts stress into an electrical signal  - True or False
  8. Piezoelectricity is the electrical charge that accumulates in solid materials due to the effect of applied sound waves - True or False
  9. In digital imaging - a pixel is generally defined as the smallest single component of a digital image - True or False
  10. 1/64" equals what decimal of an inch - a) 0.156  b) 0.0156  c) 0.00156  d) 0.000156

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ANSWERS

1) d) Cam  2) False - it is a flat surface made by cutting off the edge or external corner of an object  3) True  4) False - the letters have no (known) meaning  5) True  6) True  7) False  8) False - it is due to applied mechanical stress  9) True  10) b) 0.0156