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. In electronics, a switch may be abbreviated to "DPCO" - what does this mean
2. Zero degrees Celsius equals how many degrees Fahrenheit
3. The Reaumur Scale is used to measure - a) Vibration  b) Temperature  c) Stress  d) Viscosity
4. The phenomena known as the Aurora Borealis, or Northern Lights is named after the Roman  goddess  of dawn, Aurora , and the Greek  name for the north wind, Boreas  - True or False
5. In a mechanism where the rotation of a shaft could cause a conventional "handed" nut to unscrew on the thread, an opposite handed nut may be used - what name is given to this arrangement - a) Left Foot Thread  b) Left Hand Thread  d) Left Arm Thread  d) Left Knee Thread
6. A Scalene triangle is defined as a triangle with 2 equal sides - True or False
7. The Dewey Decimal Classification is a proprietary system of classification which is used for - a) Chemicals  b) Steel Grades  c) Materials Hardness  d) Library Books
8. The sine wave is a mathematical function  that describes an unpredictable erratic oscillation . - True or False
9. An inorganic , nonmetallic  solid  prepared by the action of heat  and subsequent cooling is called - a) Certegy  b) Cerrone c) Cervical  d) Ceramic
10. In chemical engineering terms, a fume cupboard is a device designed to coagulate vapors - True or False

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ANSWERS

1) Double pole changeover or Double pole, centre off  2) 32  3) b) Temperature  4) True  5) b) Left Hand Thread  6) False - A scalene triangle has each of its sides a different length  7) d) Library Books  8) False - it describes a smooth repetitive oscillation  9) d) Ceramic  10) False - it is designed to remove hazardous fumes