The Coffee Break Hard Trivia Quiz – A challenging selection of General Engineering Trivia 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 ?


What is the third most common gas in the Earth's atmosphere …

An electromagnet is a type of magnet whose magnetic field is produced by the flow of electric current and the magnetic field disappears when the current ceases - True or False

Isopropyl Alcohol ( (CH3)2CHOH ) is also known as …

Isaac Newton introduced the concept of Moment of Inertia, which is is a measure of an object's resistance to changes to its rotation - True or False

The concept was introduced by Leonhard Euler  in his book Theoria motus corporum solidorum seu rigidorum in 1765

What is the name of the stone used to grind and hone the edges of knives and steel tools...

A “Radius” is the SI derived unit given to the angle subtended at the centre of a circle by an arc that is equal in length to the radius of the circle – True or False

Radian is the correct answer

Born in London in 1791, Charles Babbage is generally regarded as the father of what …

What is a Sythe …

A Deliquescent material has a strong ability to resist foaming – True or False

A Deliquescent material has a strong affinity for moisture and will absorb relatively large amounts of water from the atmosphere – Anti foaming agents are chemical additives which will reduce foaming in liquids

In Metal Working, a Milling Machine is a machine used to break up swarf into small particles so that it can be recycled – True or False

A Milling Machine is used to perform a cutting action on a workpiece.


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