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 gradual erosion of metals and other materials, typically by chemical reaction with the environment is known as Corrosion - True or False
2. The Kinzua Bridge in Pennsylvania was blown down by a tornado in 2003, primarily because the bolts holding the structure to the ground had corroded away - True or False
3. The first pilot to travel faster than sound was Chuck Yeager in a Bell X-1 - True or False
4. In solid mechanics, torsion is defined as the linear force stretching an object along its axis - True or False
5. WD-40 is a widely available water-displacing spray - WD-40 stands for Water Deficient after 40 seconds - True or false
6. Bubble Wrap was first used by the ancient Greeks and the name is derived from the Latin for air bubble - True or False
7. Fortran is the second oldest computer programming language - True or False
8. One brake horse power equals 33,000 ft lb per min - True or False
9. In Electrical Engineering - a transformer is a static  electrical device that transfers energy by inductive coupling  between its winding circuits - True or False
10. In Fluid Mechanics - flows with high Reynolds numbers are classified as Laminar Flow - True or False

SEE NEXT PAGE FOR ANSWERS

ANSWERS

1) True  2) True  3) True  4) False - is the twisting of an object due to an applied force at right angles to its linear axis  5) False - Water Dispersant - 40th formula  6) False - it was co-invented by Alfred Fielding and Marc Chavannes in 1957  7) False - It is the oldest   8) True  9) True  10) False - high Reynolds number indicates Turbulent Flow