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 ?


In the Roman numeral system, What does the letter D equal ...

In Electrical Engineering - Bias is Alternating Current ( AC ) deliberately made to flow, or AC voltage deliberately applied, between two points for the purpose of controlling a circuit - True or False

Bias is Direct Current (DC) or DC Voltage

The HMMWV is a military 4 wheel drive motor vehicle used by the US army - HMMWV stands for - High Mobility Multipurpose Wheeled Vehicle - True or False

Also known as a Humvee

The value of pi to 5 places of decimal = 3.14275 – True or False

pi to 5 places of decimal = 3.14159

What is the name of the thread form often used in vices or artillery which has two different thread  profiles.  It is designed to handle very high axial thrust in one direction with a square thread form and a sloping thread form (typically at 45 deg) on the other side ...

What chemical element has the symbol Ti and atomic number 22

In electrical engineering, the Wetting Current (or Sealing) Current is the name given to the minimum current needing to flow through a newly-closed mechanical switch  or relay in order to break through any film that may have been deposited on the switch contacts while open – True or False

One yard equals how many meters ...

Which metal has the highest strength to weight ratio

What is the name of the motorcycle  manufacturer located in Bologna , Italy which was founded by brothers  Adriano, Marcello and Bruno in 1926.  It is best known for high performance motorcycles running large capacity four-stroke engines featuring a desmodromic valve design