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 !

  1. The Snellen chart is used by doctors to measure a persons hearing ability - True or False
  2. A Fluid Dram is a unit of volume - True or False
  3. The Avoirdupois System is the system of mass commonly in use in the United States and is based on 1 pound = 16 ounces - True or False
  4. In Electrical Engineering IP Rating refers to the sound level which a device emits for a given frequency - True or False
  5. In pump terminology - Head refers to a measure of pressure, expressed in metres for centrifugal pumps - True or False
  6. The logarithm of 1000 to base 10 is 5 - True or False
  7. AIAA is the professional society for the field of Aerospace Engineering  - True or False
  8. When used in construction terminology, the word "plumb" generally refers to  - a) an exact 45 degree angle  b) a perfect circle c) perfectly vertical  d) perfectly level
  9. What is the name of the thread form often used in vices or artillery which has two different thread  profiles.  It is designed to handle very high axial thrust in one direction with a square thread form and a sloping thread form (typically at 45 deg) on the other side
  10. Beginning with the letter "I", what word is used to describe something that is not chemically reactive


Challenge your colleagues - can they answer more than you ?

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ANSWERS

1) False - The Snellen chart was created by Herman Snellen, a Dutch eye doctor, in the 1860s and is used for eyesight examination  2) True  3) True  4) False - The IP Rating refers to Ingress Protection and specifies the level of protection from foreign objects or matter  5) True  6) False - The logarithm of 1000 to base 10 is 3  7) True - and stands for - American Institute of Aeronautics and Astronautics  8) c) perfectly vertical  9) Buttress Thread  10) Inert