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. What does the Mohs scale, which goes from 1 to 9, measure
2. Where in the home would you find a magnetron
3. What is an Eolic Power Station powered by
4. In mathematics, the ratio of circumference to diameter of any circle is defined by which symbol
5. Who invented the Ferris Wheel
6. Sportster, Dyna and Softail are models of which motorcycle
7. The name Helvetia survives as an official name of which European country
8. What do you call an angle of more than 90º
9. A monkey wrench is so called because it can be (colloquially) used by any "monkey" true or false
10. What is the chemical symbol for lead

quotation of the week :-
Don't judge each day by the harvest you reap, but by the seeds you plant.
- Robert Louis Stevenson

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ANSWERS

1) (Mineral) Hardness  2) In a microwave oven  3) Wind  4) π (pi)  5) George W. Ferris, in 1893  6) Harley Davidson  7) Switzerland  8) Obtuse  9) false - Charles Moncky  patented this tool and monkey is a derivation of his name  - there are other theories,  but this is the one we accept  10) Pb