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, LED stands for Low Energy Diode - True or False
2. Self adjusting brakes in automobiles where pioneered by Studebaker - True or False
3. In process control engineering - HMI stands for Home of Machine Interface - True or False
4. The Mariana Trench located in the western Pacific Ocean, to the east of the Mariana Islands is the deepest known point on earth - True or False
5. Sonar is a variation of "Above Ground Radar Technology "- True or False
6. In computer terminology - "the Access Point" - is the on/off switch of a computer terminal - True or False
7. A "Feedscrew" is a type of clamp which is typically used to hold a round object such as drill bit in a power tool - True or False
8. Molten rock expelled by a volcano  during an eruption is called Lava - True or False
9. Typically found on firearms such as rifles, "Telescopic Sights" are based on an optical refracting telescope - True or False
10. The Siemens is the SI  derived unit of Capacitance - True or False

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ANSWERS

1)False - LED stands for Light Emitting Diode  2) True  3) False - HMI stands for Human Machine Interface  4) True  5) False - SONAR is a method of underwater detection and is short for "sound navigation and ranging"?  6) False - the Access Point is a device, such as a wireless router , that allows wireless devices to connect to a network  7)  False - A "Chuck" is typically used to hold round objects   8) True  9) True  10) False - the Siemens is the unit of Electric Conductance