1.  Austrian engineer Paul Eisler invented what, in 1936
   a) Printed Circuit Board b) Transistor  c) Cordwood Construction  d) Surface Mount Technology
2. HNO3 is the chemical symbol for what acid
3. A gear  system that consists of one or more outer gears, or planet gears, revolving about a central, or sun gear has two common names, one is Planetary Gearing, what is the other
4. In Physics and Engineering, what name beginning with the letter "P" is given to energy that is stored within a system. It exists when there is a force  that tends to pull an object back towards some lower energy position
5. In the Roman numeral system, What does the letter X equal
6. One thousandth of an inch (0.001")  equals how many millimetre  
7. Beginning with the letter 'T", what naturally occurring oxide has a wide range of applications, from paint to sunscreen  to food colouring  and when used as a food colouring has the E number  E171
8. Beginning with the letter "I", what word is used to describe something that is not chemically reactive
9. Beginning with the letter "N" and founded in 1993 by Jen-Hsun Huang , Chris Malachowsky  and Curtis Priem , what is the name of the multinational corporation  which specialises in the development of graphics processing units  and chipset  technologies for workstations , personal computers , and mobile devices . It is based in Santa Clara, California
10. Beginning with the letter "T", what is a common name for "Over Centre Clamps"
    
    

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1) a) Printed Circuit Board  2) Nitric Acid  3) Epicyclic Gearing  4) Potential Energy  5) Ten  6) 0.025 4 mm  7) Titanium Dioxide  8) Inert  9) Nvidia  10) Toggle Clamps