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. The nickel is a United States coin which is worth five hundredths of a US dollar – how much nickel (the metal) is in a nickel – a) 10%  b) 15%  c) 20%  d) 25%
  2. The word Hydraulic is derived from the word  Hydor – Hydor comes from from which language – a) Latin  b) Chinese  c) Greek  d) Egyptian
  3. Darcy's law is a phenomologically derived constitutive equation that describes the flow of a fluid through a porous medium. - True or False
  4. Mozzarella cheese is traditionally made from the milk of which animal – a) Water Buffalo  b) Goat  c) Lama  d) Sheep
  5. What name is given to the property of the surface of a liquid which causes it to behave as an elastic sheet. - a) Surface Tension  b) Stress  c) Strain  d) Adhesion
  6. The Segway is a 2 wheeled, self balancing personal transport vehicle which utilizes the principles of the gyroscope to maintain stability – True or False
  7.  In electrical engineering terminology,  VSD stand for – Voltage Speed Deviation – True or False
  8. In Chemical Engineering - The Saturation Temperature is the same as the  Boiling Point – True or False
  9. The de Laval nozzle is the name of the system of nozzles used to by submarines for submerging or surfacing  – True or False
  10. In chemistry, an Exothermic Reaction releases heat – True or False



1) d) 25%  2) c) Greek  3) True  4) a) Water Buffalo  5) a) Surface Tension  6) True  7) False – VSD stands for Variable Speed Drive  8) True  9) False - The de Laval nozzle is the name of the main type of rocket engine nozzles used in modern rocket engines. It is used to expand and accelerate the combustion gases, from burning propellants, so that the exhaust gases exiting the nozzles are at hypersonic velocities  10) True