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 ?
- 1/4" is equal to how many millimeters - a) 635 b) 63.5 c) 6.35 d) 0.635
- Rare Earth magnets were first developed by the ancient Chinese - True or False
- In physics, an orbit is defined as the shortest distance between to points in space - True or False
- In 1951, the German engineer Felix Wankel began development of what - a) Splitting the atom b) Space Travel d) Sound Absorption technology d) a Rotary engine
- In Mechanical Engineering - Plug, Taper and Bottoming taps are used for - a) Screw Cutting b) Pipe Crimping c) Hole Punching d) Spark Erosion
- The Henry is the SI derived unit of Inductance - True or False
- In maths and computer science, the binary numeral system, represents numeric values using two symbols twice - therefore a total of 4 individual symbols - True or False
- Refraction is the change in direction of a wave due to a change in its medium - True or False
- Trapped Key Interlocking is a method of ensuring safety in industrial environments by forcing the operator through a predetermined sequence using a defined selection of keys, locks and switches - True or False
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A latch is a type of mechanical device designed to prevent two (or more) objects or surfaces from joining together - True or False
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ANSWERS
1) c) 6.35 2) False - they were developed in 1970s and 1980s 3) False - it is the gravitationally curved path of an object around a point in space 4) d) a Rotary engine 5) a) Screw Cutting 6) True 7) False - the binary system uses 2 symbols - 0 and 1 8) True 9) True 10) False - it is designed to hold objects or surfaces together but with a quick release ability
